SIGMA DESIGNS INC
S-3, 1998-03-16
COMPUTER PERIPHERAL EQUIPMENT, NEC
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        As  filed with the Securities  and Exchange Commission on March 15, 1998
                                                  Registration No. 333-
- --------------------------------------------------------------------------------


                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549
                           ---------------------------

                                    FORM S-3
                             REGISTRATION STATEMENT
                                      Under
                           The Securities Act of 1933
                           ---------------------------

                               Sigma Designs, Inc.
             (Exact name of Registrant as specified in its charter)
                           ---------------------------

        CALIFORNIA                      7372                  94-2848099
(State or other jurisdiction     (Primary Standard         (I.R.S. Employer
    of incorporation or       Industrial Classification  Identification Number)
       organization)                Code Number)                      

                              46501 LANDING PARKWAY
                            FREMONT, CALIFORNIA 94538
                                  (510) 770-0100
(Address,  including zip code,  and telephone  number,  including  area code, of
                   Registrant's principal executive offices)
                           ---------------------------

                                  THINH Q. TRAN
                                  PRESIDENT AND
                             CHIEF EXECUTIVE OFFICER
                               SIGMA DESIGNS, INC.
                              46501 LANDING PARKWAY
                            FREMONT, CALIFORNIA 94538
                                 (510) 770-0100
(Name, address,  including zip code, and telephone number,  including area code,
                             of agent for service)
                           ---------------------------
                                   Copies to:
                              DAVID A. SEGRE, ESQ.
                        WILSON SONSINI GOODRICH & ROSATI
                            PROFESSIONAL CORPORATION
                               650 PAGE MILL ROAD
                        PALO ALTO, CALIFORNIA 94304-1050
                                 (650) 493-9300
                           ---------------------------

     Approximate date of commencement of proposed sale to the public: As soon as
practicable after the effective date of this Registration Statement.

     If any of the securities being registered on this Form are to be offered on
a delayed or continuous  basis  pursuant to Rule 415 under the Securities Act of
1933, please check the following box. [X]

     If this form is filed to  register  additional  securities  for an offering
pursuant to Rule 462(b) under the Securities Act, please check the following box
and list  the  Securities  Act  registration  statement  number  of the  earlier
effective registration statement for the same offering. [_]

     If the only  securities  being  delivered  pursuant  to this Form are being
offered pursuant to dividend or interest  reinvestment  plans,  please check the
following box. [_]

     If this Form is a  post-effective  amendment  filed pursuant to Rule 462(c)
under the  Securities  Act,  check the following box and list the Securities Act
registration  statement number of the earlier effective  registration  statement
for the same offering. [_]

     If delivery of the  prospectus is expected to be made pursuant to Rule 434,
please check the following box. [_]

                          ---------------------------
<TABLE>

                                                CALCULATION OF REGISTRATION FEE
<CAPTION>
===================================================================================================================================
         Title of Each Class                 Amount             Proposed Maximum            Proposed Maximum          Amount of
          of Securities to                   to be               Offering Price            Aggregate Offering        Registration
            be Registered                  Registered             Per Share(2)                  Price(2)                 Fee
- -----------------------------------------------------------------------------------------------------------------------------------
<S>                                     <C>                        <C>                         <C>                      <C>    

Common Stock, no par value...........   900,000 shares             $3.08                       $2,770,312.50             $817.24

===================================================================================================================================
<FN>

(1)  Pursuant to Rule 416 under the  Securities  Act of 1933,  as amended,  this
     Registration Statement also covers such indeterminate  additional shares of
     Common  Stock as may  become  issuable  as a  result  of  decreases  in the
     conversion price of the Company's Series A Convertible  Preferred Stock and
     any future  antidilution  adjustments  in accordance  with the terms of the
     Series A Convertible Preferred Stock, the underlying shares of Common Stock
     of which are included for registration,  as well as any future antidilution
     adjustments with respect to the warrant to purchase Common Stock.
     

(2)  Estimated   solely  for  the  purpose  of  computing   the  amount  of  the
     registration  fee based on the  average  of the high and low prices for the
     Common Stock as reported on the Nasdaq  National  Market on March 12, 1998,
     in accordance with Rule 457(c) under the Securities Act of 1933.
</FN>
</TABLE>

                           ---------------------------

     THE REGISTRANT  HEREBY AMENDS THIS  REGISTRATION  STATEMENT ON SUCH DATE OR
DATES AS MAY BE NECESSARY TO DELAY ITS EFFECTIVE DATE UNTIL THE REGISTRANT SHALL
FILE A FURTHER  AMENDMENT  WHICH  SPECIFICALLY  STATES  THAT  THIS  REGISTRATION
STATEMENT SHALL  THEREAFTER  BECOME EFFECTIVE IN ACCORDANCE WITH SECTION 8(A) OF
THE  SECURITIES  ACT OF 1933 OR UNTIL THE  REGISTRATION  STATEMENT  SHALL BECOME
EFFECTIVE ON SUCH DATE AS THE COMMISSION,  ACTING PURSUANT TO SAID SECTION 8(A),
MAY DETERMINE.
================================================================================
<PAGE>
INFORMATION   CONTAINED  HEREIN  IS  SUBJECT  TO  COMPLETION  OR  AMENDMENT.   A
REGISTRATION  STATEMENT  RELATING  TO THESE  SECURITIES  HAS BEEN FILED WITH THE
SECURITIES  AND EXCHANGE  COMMISSION.  THESE  SECURITIES MAY NOT BE SOLD NOR MAY
OFFERS TO BUY BE ACCEPTED PRIOR TO THE TIME THE REGISTRATION  STATEMENT  BECOMES
EFFECTIVE.  THIS  PROSPECTUS  SHALL  NOT  CONSTITUTE  AN  OFFER  TO  SELL OR THE
SOLICITATION OF AN OFFER TO BUY NOR SHALL THERE BE ANY SALE OF THESE  SECURITIES
IN ANY STATE IN WHICH SUCH OFFER,  SOLICITATION  OR SALE WOULD BE UNLAWFUL PRIOR
TO REGISTRATION OR QUALIFICATION UNDER THE SECURITIES LAWS OF ANY SUCH STATE.

                   SUBJECT TO COMPLETION DATED MARCH 15, 1998

                                   PROSPECTUS


                                 900,000 SHARES

                               SIGMA DESIGNS, INC.

                                  COMMON STOCK


         This  Prospectus may be used only in connection  with the resale,  from
time to time, of up to 900,000  shares (the  "Shares") of Common  Stock,  no par
value per share (the "Common  Stock"),  of Sigma Designs,  Inc.  ("Sigma" or the
"Company"),   by  the  selling   shareholder   identified  below  (the  "Selling
Shareholder").  All of the Shares  covered  hereby are to be sold by the Selling
Shareholder  who  purchased  shares  of  Series A  Convertible  Preferred  Stock
convertible  into  shares of Common  Stock and a warrant to  purchase  shares of
Common  Stock  from a  purchaser  who  originally  purchased  shares of Series A
Convertible  Preferred Stock and a warrant to purchase Common Stock in a private
placement  transaction.  See "Selling Shareholder." The Company will not receive
any of the proceeds from the sale of the Shares by the Selling Shareholder.  The
expenses  incurred in  registering  the Shares,  including  legal and accounting
fees, will be paid by the Company.

         All or a portion of the Shares offered hereby may,  without  limitation
and from time to time, be sold by the Selling Shareholder on the Nasdaq National
Market, in privately  negotiated  transactions,  or otherwise  pursuant to block
trades, broker-dealer transactions, exchange transactions, short sales, or other
methods.  Sales may be made at market prices or negotiated  prices. See "Plan of
Distribution."

         The  Company's  Common  Stock is traded on the Nasdaq  National  Market
under the symbol  "SIGM." On March 12, 1998,  the last sale price for the Common
Stock as reported on the Nasdaq National Market was $3-1/8 per share.

                          ---------------------------

         SEE "RISK  FACTORS" ON PAGE 3 FOR A DISCUSSION OF CERTAIN  FACTORS THAT
SHOULD BE CONSIDERED BY  PROSPECTIVE  PURCHASERS OF THE SHARES  OFFERED  HEREBY.

                          ---------------------------

    THESE SECURITIES HAVE NOT BEEN APPROVED OR DISAPPROVED BY THE SECURITIES
     AND EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMISSION NOR HAS THE
      SECURITIES AND EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMISSION
          PASSED UPON THE ACCURACY OR ADEQUACY OF THIS PROSPECTUS. ANY
              REPRESENTATION TO THE CONTRARY IS A CRIMINAL OFFENSE.

                           ---------------------------

                      THE DATE OF THIS PROSPECTUS IS     , 1998

<PAGE>

                              AVAILABLE INFORMATION

         The  Company  is  subject  to  the  informational  requirements  of the
Securities  Exchange  Act of 1934,  as amended  (the  "Exchange  Act"),  and, in
accordance therewith, files reports, proxy statements and other information with
the Securities and Exchange Commission (the "Commission").  Such reports,  proxy
and information  statements and other information may be inspected and copied at
the  public  reference  facilities  maintained  by the  Commission  at 450 Fifth
Street, N.W.,  Washington,  D.C. 20549, and at the following Regional Offices of
the Commission:  New York Regional Office,  Seven World Trade Center,  New York,
New York 10048, and Chicago Regional Office,  500 West Madison Street,  Chicago,
Illinois  60661.  Copies  of such  material  can be  obtained  from  the  Public
Reference Section of the Commission,  450 Fifth Street, N.W.,  Washington,  D.C.
20549 upon payment of the  prescribed  fees.  The Common Stock of the Company is
quoted on the Nasdaq National Market.  Reports, proxy and information statements
and other  information  concerning  the Company may be inspected at the National
Association of Securities Dealers, Inc. at 1735 K Street, N.W., Washington, D.C.
20006.  The  Commission  maintains a World Wide Web site that contains  reports,
proxy and information  statements and other  information  regarding  registrants
that  file  electronically  with  the  Commission.  The  address  of the site is
http://www.sec.gov.

         This Prospectus  constitutes a part of a Registration Statement on Form
S-3 (herein,  together  with all  amendments  and  exhibits,  referred to as the
"Registration  Statement")  filed by the Company with the  Commission  under the
Securities Act of 1933, as amended (the "Securities  Act"). This Prospectus does
not  contain all of the  information  set forth in the  Registration  Statement,
certain parts of which are omitted in accordance  with the rules and regulations
of the Commission.  For further  information with respect to the Company and the
shares  covered  by this  prospectus,  reference  is  made  to the  Registration
Statement. Statements contained herein concerning the provisions of any document
are not  necessarily  complete,  and each such  statement  is  qualified  in its
entirety by reference to the copy of such document filed with the Commission.

                 INCORPORATION OF CERTAIN DOCUMENTS BY REFERENCE

         The following  documents  filed by the Company with the  Commission are
hereby  incorporated by reference in this  Prospectus:  (i) the Company's Annual
Report on Form  10-K for the  fiscal  year  ended  January  31,  1997,  (ii) the
Company's  Quarterly  Report on Form 10-Q for the quarter  ended April 30, 1997;
(iii) The Company's Quarterly Report on Form 10-Q for the quarter ended July 31,
1997;  (iv) The  Company's  Quarterly  Report on Form 10-Q for the quarter ended
October 31, 1997; (v) the Company's  Proxy  Statement  relating to the Company's
Annual  Meeting  of  Shareholders  to be  held on June 6,  1997,  and  (vi)  the
description  of  the  Company's  Common  Stock  contained  in  its  Registration
Statement on Form 8-A filed with the  Commission on November 3, 1986, as amended
on September 22, 1989.

         All  reports  and other  documents  subsequently  filed by the  Company
pursuant to Section 13(a), 13(c), 14 or 15(d) of the Exchange Act after the date
of this Prospectus and prior to the termination of this offering shall be deemed
to be incorporated by reference  herein and to be a part hereof from the date of
filing of such reports and documents. Any statement incorporated herein shall be
deemed to be modified or  superseded  for  purposes  of this  Prospectus  to the
extent  that a statement  contained  herein or in any other  subsequently  filed
document  which  also is or is deemed to be  incorporated  by  reference  herein
modifies or supersedes such  statement.  Any statement so modified or superseded
shall not be deemed,  except as so modified or superseded,  to constitute a part
of the Registration Statement or this Prospectus.

         The Company hereby undertakes to provide without charge to each person,
including  any  beneficial  owner,  to whom a copy of this  Prospectus  has been
delivered,  upon written or oral request of such person, a copy of any or all of
the foregoing documents incorporated herein by reference (other than exhibits to
such documents,  unless such exhibits are specifically incorporated by reference
into such documents). Requests for such documents should be submitted in writing
to Carol Kaplan at the Company's  principal  executive  offices at 46501 Landing
Parkway, Fremont, California 94538, or by telephone at (510) 770-0100.

                                       -2-

<PAGE>



                                  RISK FACTORS

         In the interest of providing the Company's  shareholders  and potential
investors with certain Company information, including management's assessment of
the  Company's  future  potential,   certain  statements  set  forth  herein  or
incorporated  by  reference  herein  relate  to  management's  future  plans and
objectives or to the Company's future economic performance.  Such statements are
"forward-looking  statements"  within  the  meaning  of  Section  27A(I)  of the
Securities Act of 1933, as amended,  and in Section 21E(I) of the Securities Act
of 1934, as amended. Although any forward-looking statements contained herein or
incorporated by reference  herein or otherwise  expressed by or on behalf of the
Company are, to the  knowledge and in the judgment of the officers and directors
of the Company,  expected to prove true and to come to pass,  the Company is not
able to predict such events with absolute certainty.  Accordingly,  shareholders
and  potential   investors  are  hereby   cautioned   that  certain   events  or
circumstances  could  cause  actual  results  to differ  materially  from  those
projected or predicted. In addition, forward-looking statements are based on the
Company's knowledge and judgment as of the date hereof, and the Company does not
intend to update any  forward-looking  statements to reflect events occurring or
circumstances  existing  hereafter.  In  particular,  the Company  believes  the
following  facts  could  affect   forward-looking   statements  made  herein  or
incorporated  by reference  herein or in future  written or oral releases and by
hindsight, prove such statements to be overly optimistic and unachievable.

         History of Operating Losses. The Company incurred significant losses in
fiscal 1993,  1994, 1995, and 1996 and had substantial  negative  operating cash
flow in fiscal 1992,  1993,  1994, 1995, and 1996. Since the introduction of the
Company's  REALmagic  Moving  Picture  Experts  Group  ("MPEG")  product line in
November 1993, the Company has invested  heavily in marketing and  technological
innovation  for its REALmagic  products.  As a result,  the Company  experienced
significant  losses  through  fiscal  1996.  Fiscal  1994,  1995,  and 1996 also
included significant losses associated with products other than those related to
the  REALmagic  technology.  Through the end of the third quarter of fiscal year
1998, the Company's total  accumulated  deficit is $38,141,000.  There can be no
assurance  that the Company will continue to sell its new REALmagic  products in
substantial  quantities  or  generate  significant  revenues  from  such  sales.
Although the Company was  profitable  in fiscal 1997,  there can be no assurance
that the Company will  continue to achieve  profitable  operations in any future
fiscal quarter or fiscal year or that profitable operations,  if achieved,  will
be sustainable.

         Marketing Risks. The Company's  ability to increase its sales,  achieve
profitability,  and  maintain  REALmagic  as a PC industry  multimedia  standard
depends substantially on the Company's ability to achieve a sustained high level
of sales to new OEM  customers.  The Company has not  executed  volume  purchase
agreements  with any of the  Company's  customers,  and these  customers are not
under any obligation to purchase any minimum quantity of the Company's products.
The Company has not achieved bundling  agreements with numerous OEM customers to
ensure  success of the  REALmagic  product line.  Moreover,  even if the Company
achieves  new design  wins,  there can be no assurance  that  personal  computer
("PC")  manufacturers  will  purchase  the  Company's  products  in  substantial
volumes.  Sales to any  particular  OEM  customer  are  subject  to  significant
variability   from  quarter  to  quarter  and  to  severe  price   pressures  by
competitors.  Based on its  experience in the personal  computer  industry,  the
Company  expects  that  its  actual  sales  to  OEM  customers  will  experience
significant  fluctuations,  and  estimates  of future  sales with respect to any
particular customer or groups of customers are inherently uncertain.

         The Company's ability to achieve sustained  profitability  also depends
on a substantial  increase in sales of REALmagic  products  through domestic and
international  distributors for resale through retail channels.  In fiscal 1997,
Ingram Micro,  Inc. was the only domestic customer to which sales comprised over
10% of consolidated revenue. Sales to such distributors are typically subject to
contractual  rights of inventory  rotation or price  protection.  Regardless  of
particular  contractual  rights,  however,  the failure of Ingram Micro, Inc. or
other distributors to achieve sustained sell-through of REALmagic products could
result in product returns or collection  problems,  contributing to fluctuations
in the  Company's  results of  operations.  There can be no  assurance  that the
Company will be successful in maintaining a significant market for its REALmagic
products.

                                       -3-

<PAGE>

         Dependence on  Development  of Software  Titles by Third  Parties.  The
Company depends on third-party content developers to create, produce, and market
software titles that will operate in the REALmagic format. No software developer
is contractually obligated to produce a REALmagic-compatible title. There can be
no assurance that  third-party  software  developers  will continue to produce a
substantial number of software titles, or that they will produce enough software
titles to  develop  and  sustain a  significant  market in  REALmagic  products.
Moreover,  there can be no assurance that any individual software titles will be
of high quality or that they will achieve market  acceptance.  There can also be
no assurance  that current  popular  software  titles will be  introduced in the
REALmagic format.  Because the Company has no control over the content of titles
produced by software  developers,  the software  titles  developed may represent
only a limited  number of  software  categories  and are likely to be of varying
quality.

         Currently,  more  than  500  interactive  MPEG  off-the-shelf  business
applications  are  available  in the MPEG  format.  The Company has licensed the
REALmagic  API  to  over  1,200   software   developers   for   development   of
REALmagic-compatible  programs.  However,  the number of  software  titles to be
developed  by such  software  companies  cannot  be  predicted.  There can be no
assurance that any software developer who develops a REALmagic-compatible  title
will actively promote the product or develop follow-on titles.  Moreover,  there
can be no  assurance  that any  published  title will have the  quality or price
characteristics required to be commercially successful or that titles compatible
with the REALmagic  format will be allotted retail shelf space.  Future sales of
REALmagic  products  will  likely  depend on a decision  by  retailers  to carry
compatible software titles on the shelf.

         The  Company  announced  in October  1995 its  strategic  direction  of
selling  chipsets to add-on card and computer  manufacturers.  The REALmagic Pro
chipset announced in October 1995 became available in January 1996. This chipset
enables other companies to manufacture 100% OM-1 and  REALmagic-compatible  MPEG
playback cards capable of playing the growing number of MPEG software  titles on
the market. In addition, the Company announced the REALmagic Explorer chipset in
November 1995, which enables OEM customers to build type II ZVport-compatible PC
cards for MPEG-1 video and audio playback,  bringing MPEG technology to notebook
computers  for the first time.

         Technological   Change.  The  market  for  multimedia  PC  products  is
characterized  by rapidly  changing  technology and user  preferences,  evolving
formats  for  compression  of video and audio  data,  and  frequent  new product
introductions.  Even though REALmagic  products and related software titles have
gained initial market acceptance, the Company's success will depend, among other
things,  on  the  Company's  ability  to  achieve  and  maintain   technological
leadership and to remain competitive in terms of price and product performance.

         To have  technological  leadership,  the Company must  continue to make
technological  advancements in the area of MPEG video and audio decoding.  These
advancements   include   compatibility  with  emerging  standards  and  multiple
platforms,  improvements  to the  REALmagic  architecture,  enhancements  to the
REALmagic  API,  and the  achievement  of these  enhancements.  There  can be no
assurance  that the Company  will be able to make any such  advancements  to its
REALmagic  technology or that,  if such  advances are made,  the Company will be
able to achieve and maintain technological  leadership.  Any material failure of
the  Company or OEMs and  software  developers  to develop  or  incorporate  any
required  improvement  could  adversely  affect the continued  acceptance of the
Company's  technology and the  introduction and sale of future products based on
the  Company's   technology.   There  can  be  no  assurance  that  products  or
technologies  developed  by  others  will  not  render  obsolete  the  Company's
technology and the products based on the Company's technology.

                                       -4-

<PAGE>

         To be competitive,  the Company must anticipate the needs of the market
and  successfully  develop and  introduce  innovative  new  products in a timely
fashion. No assurance can be given that the Company will be able to successfully
complete the design of its new products,  have these  products  manufactured  at
acceptable manufacturing yields, or obtain significant purchase orders for these
products.  The  introduction  of new  products  may  adversely  affect  sales of
existing  products,  contributing  to  fluctuations  in  operating  results from
quarter to quarter.  The  introduction of new products also requires the Company
to carefully manage its inventory to avoid inventory obsolescence.  In addition,
new products  typically  have higher  initial  component  costs than more mature
products,  possibly  resulting  in downward  pressures  on the  Company's  gross
margins.

         Competition.   The  market  for   multimedia   PC  products  is  highly
competitive, driven by faster processors provided by Intel Corporation and other
companies.  The  possibility  that  other  companies  with more  experience  and
financial  resources may develop a competitive product may inhibit future growth
of REALmagic  technology.  Increased  competition  may be generated from several
major  computer  product   manufacturers   that  have  developed   products  and
technologies  that could  compete  directly  with  REALmagic  products on the PC
platform. These include SGS-Thomson Microelectronics,  C-Cube Microsystems,  IBM
Microelectronics,  Chromatic Research,  Inc., Zoran Corporation and Mediamatics,
Inc. Also, several OEMs and microprocessor  companies possess  proprietary video
compression technology that may compete with MPEG-based products.  These include
IBM, Intel Corporation, Mediamatics Corporation and ESS Technology, Inc. Most of
these companies have substantial  experience and expertise in audio,  video, and
multimedia  technology and in producing and selling  consumer  products  through
retail distribution,  as well as substantially  greater engineering,  marketing,
and financial  resources  than the Company.  Competitors of the Company may form
cooperative  relationships,  which could present  formidable  competition to the
Company.  There can be no  assurance  that  REALmagic  technology  will  achieve
commercial success or that it will compete effectively against other interactive
multimedia products,  services, and technologies that currently exist, are under
development, or may be announced by competitors.

         Reliance on a Single Line of Products.  The Company's business strategy
has been to focus on REALmagic  products by investing  heavily in PC-based  MPEG
technology.  In the fiscal year ended  January  31,  1997,  sales of  multimedia
products  accounted for  virtually all of net sales.  A decline in market demand
for multimedia  products would adversely affect the Company's operating results.
The Company's present reliance on REALmagic  products is exacerbated by the fact
that  multimedia  product  sales  are  concentrated  in  the  personal  computer
industry.  A decline in demand for PCs could have a material  adverse  effect on
the Company's operating results and financial condition.

         Variability of Operating Results.  The Company's operating results have
fluctuated  in the past and may  continue  to  fluctuate  in the future due to a
number of factors, including but not limited to new product introductions by the
Company and its  competitors;  market  acceptance of the  Company's  products by
OEMs,  software  developers,  and  end  users;  the  success  of  the  Company's
promotional programs;  gains or losses of significant  customers;  reductions in
selling prices;  inventory obsolescence;  an interrupted or inadequate supply of
semiconductor chips; the Company's ability to protect its intellectual property;
and loss of key  personnel.  In addition,  sales to OEM customers are subject to
significant  variability from quarter to quarter,  depending on OEMs' timing and
release  of  products  incorporating   REALmagic  technology,   experience  with
sell-through of such products, and inventory levels.

         The  market for  consumer  electronics  products  is  characterized  by
significant  seasonal  swings in  demand,  which  typically  peak in the  fourth
calendar quarter of each year. Since the Company expects to derive a substantial
portion of its revenues  from the sales of REALmagic  products in the future and
the demand for such  products  will depend in part on the  emergence  of digital
video technology,  the Company's  revenues may vary with the availability of and
demand for DVD  titles.  Such  demand may  increase or decrease as a result of a
number of factors that cannot be  predicted,  such as consumer  preferences  and
product  announcements  by  competitors.  Announcements  of  directly  competing
products will likely have a negative effect on operating results. Based on the

                                       -5-

<PAGE>

Company's  experience,  the Company  believes that a substantial  portion of its
shipments will occur in the third month of a quarter, with significant shipments
completed in the latter part of the third month. This shipment pattern may cause
the  Company's  operating  results  to be  difficult  to  predict.  The  Company
currently places noncancellable orders to purchase  semiconductor  products from
its  foundries  on a long  lead  time  basis.  Consequently,  if, as a result of
inaccurate  forecasts  or  canceled  purchase  orders,   anticipated  sales  and
shipments in any quarter do not occur when expected,  inventory  levels could be
disproportionately  high,  requiring  significant  working  capital,  negatively
affecting operating results.

         Manufacturing Risks. The Company does not have long-term contracts with
such  suppliers and conducts  business with its suppliers on a written  purchase
order basis. The Company's  reliance on independent  suppliers  involves several
risks,  including the absence of adequate  capacity,  the  unavailability of, or
interruptions  in access to, certain process  technologies,  and reduced control
over delivery  schedules,  manufacturing  yields, and costs. The Company obtains
certain of its components from a single source. Although delays or interruptions
have not occurred to date, any delay or interruption in the supply of any of the
components  required  for  the  production  of  the  REALmagic  multimedia  card
currently  obtained from a single source could have a material adverse impact on
sales of REALmagic products by the Company and, thus, on the Company's business.

         The Company must provide its  suppliers  with  sufficient  lead time to
meet forecasted manufacturing objectives.  Any failure to properly forecast such
quantities  could materially  adversely affect the Company's  ability to produce
REALmagic products in sufficient quantities.  No assurance can be given that the
Company's forecasts regarding new product demand will be accurate,  particularly
since  the  Company  sells  REALmagic   products  on  a  purchase  order  basis.
Manufacturing the REALmagic  chipsets is a complex process,  and the Company may
experience short-term  difficulties in obtaining timely deliveries,  which could
affect the Company's ability to meet customer demand for its products.  Any such
delay in delivering products in the future could materially and adversely affect
the Company's operating results. In addition,  should any of the Company's major
suppliers be unable or unwilling to continue to  manufacture  the  Company's key
components in required  volumes,  the Company would have to identify and qualify
acceptable  additional  suppliers.  This qualification  process could take up to
three months or longer.  No assurances can be given that any additional  sources
of supply  could be in a position to satisfy  the  Company's  requirements  on a
timely basis.

         In the past, the Company has  experienced  production  delays and other
difficulties,  and the Company could experience  similar problems in the future.
In  addition,  there can be no assurance  that a product  defect will not escape
identification  at the  factory,  possibly  resulting  in  unanticipated  costs,
cancellations or deferrals of purchase orders, or costly recall of products from
customer sites.

         Dependence on Key Personnel.  The Company's  future success  depends in
large part on the continued service of its key technical,  marketing, sales, and
management personnel.  Given the complexity of REALmagic technology, the Company
is  dependent  on its ability to retain and motivate  highly  skilled  engineers
involved in the ongoing hardware and software  development of REALmagic products
who will be  required  to refine  the  existing  hardware  system and API and to
introduce  enhancements  in future  applications.  The multimedia PC industry is
characterized by a high level of employee mobility and aggressive  recruiting of
skilled  personnel.  There  can  be no  assurance  that  the  Company's  current
employees will continue to work for the Company or that the Company will be able
to obtain the  services of  additional  personnel  necessary  for the  Company's
growth. The Company does not have "key person" life insurance policies on any of
its employees.

         Limited  Intellectual  Property  Protection.  The Company's  ability to
compete may be affected by its ability to protect its  proprietary  information.
The Company currently holds five patents covering the technology  underlying the
REALmagic products, and the Company has filed certain patent applications and is
in the  process  of  preparing  others.  There  can  be no  assurance  that  any
additional  patents for which the Company has applied will be issued or that any
issued patents will provide  meaningful  protection of its product  innovations.
The Company,


                                       -6-

<PAGE>



like other emerging multimedia companies,  relies primarily on trade secrets and
technological  know-how in the conduct of its business. In addition, the Company
is relying in part on  copyright  law to protect  its  proprietary  rights  with
respect to REALmagic technology.

         The  electronics  industry  is  characterized  by  frequent  litigation
regarding  patent and intellectual  property  rights.  Any such litigation could
result in  significant  expense to the  Company  and  divert the  efforts of the
Company's technical and management personnel, whether or not the outcome of such
litigation  is favorable to the  Company.  Moreover,  in the event of an adverse
result  in any  such  litigation,  the  Company  could  be  required  to  expend
significant resources to develop noninfringing  technology or to obtain licenses
to the  technology  that  is the  subject  of the  litigation.  There  can be no
assurance  that the Company would be successful in such  development or that any
such licenses  would be available on acceptable  terms,  if at all. In addition,
patent  disputes in the  electronics  industry  have often been settled  through
cross-licensing  arrangements.  Because  the  Company  does not yet have a large
portfolio  of issued  patents,  the Company may not be able to settle an alleged
patent infringement claim through a cross-licensing arrangement.

         International  Operations.  During the fiscal  years ended  January 31,
1997,  1996  and  1995,   sales  to   international   customers   accounted  for
approximately  72%, 63%, and 36% of the Company's net sales,  respectively.  The
Company  anticipates that sales to international  customers,  including sales of
REALmagic products, will continue to account for a substantial percentage of net
sales.  In  addition,  some of the  foundries  that  manufacture  the  Company's
products and  components  are located in Asia.  Overseas  sales and purchases to
date  have  been  denominated  in  U.S.  dollars.  Due to the  concentration  of
international  sales and manufacturing  capacity in Asia, the Company is subject
to the  risks  of  conducting  business  internationally.  These  risks  include
unexpected  changes in  regulatory  requirements  and  fluctuations  in the U.S.
dollar that could increase the sales price in local  currencies of the Company's
products in international markets or make it difficult for the Company to obtain
price  reductions from its foundries.  The Company does not currently  engage in
any hedging  activities to mitigate  exchange rate risks. To the extent that the
Company increases its transactions in foreign currencies,  the Company's results
of operations could be adversely affected by exchange rate fluctuations.

         The Company derives a substantial portion of its revenues from sales to
the Asia Pacific  region,  a region of the world subject to increased  levels of
economic  instability.  There can be no assurance that such instability will not
have a material adverse effect on the Company's results of operations.

         Volatility of Stock Price. The market of the Company's Common Stock has
been subject to significant volatility,  which is expected to continue.  Factors
such as  announcements of the introduction of new products by the Company or its
competitors and market conditions in the technology, entertainment, and emerging
growth company sectors may have a significant  impact on the market price of the
Company's  Common Stock.  Further,  the stock market has experienced  volatility
that has  particularly  affected the market prices of equity  securities of many
high technology and development stage companies such as those in the electronics
industry.  Such volatility has often been unrelated or  disproportionate  to the
operating performance of such companies. These fluctuations,  as well as general
economic and market  conditions,  may  adversely  affect the price of the Common
Stock.

         Potential  for  Dilution.

         Series B  Preferred  Stock.  As of March 9, 1998,  5,000  shares of the
Company's Series B Convertible  Preferred Stock (the "Series B Preferred Stock")
were  issued and  outstanding.  Each share of the  Series B  Preferred  Stock is
convertible  into such  number of shares  of Common  Stock as is  determined  by
dividing  the stated  value  ($1,000) of the share of Series B  Preferred  Stock
(under certain circumstances,  such value may be increased by a premium based on
the number of days the  Series B  Preferred  Stock is held) by the then  current
Conversion  Price (which is  deteremined by reference to the then current market
price).  If converted on March 9, 1998, the Series B Preferred  Stock would have
been convertible into  approximately  1,666,667 shares of Common Stock, but this
number of  shares  could  prove to be  significantly  greater  in the event of a
decrease in the trading  price of the Common  Stock.  Purchasers of Common Stock
could  therefore  experience  substantial  dilution  of  their  investment  upon
conversion of the Series B Preferred Stock. The shares of Series B Stock are not
registered  and may be sold only if registered  under the Securities Act or sold
in acordance with an applicable  exemption from registration,  such as Rule 144.
The  shares of Common  Stock  into  which the  Series B  Preferred  Stock may be
converted have been registered pursuant to a Registration Statement.

         As of March 9, 1998,  "Warrants"  to purchase  50,000  shares of Common
Stock issued to the purchasers of the Series B Preferred  Stock and  exercisable
beginning  on May 1,  1998 for a period  of  three  years at a price  based on a
premium to the market  price as of April 30, 1998 (as may be adjusted  from time
to time under certain antidilution  provisions) were outstanding.  The shares of
Common Stock  issuable  upon  exercise of these  warrants  have been  registered
pursuant to a Registration Statement.

         As of March 9, 1998, 5,754,398 shares of Common Stock were reserved for
issuance  upon  exercise  of the  Company's  outstanding  warrants  and  options
(excluding the Warrants) and an additional 3,400,000 shares of Common Stock were
reserved for issuance upon conversion of the preferred stock and exercise of the
Warrants.  At March 9,  1998,  there  were  11,736,415  shares of  Common  Stock
outstanding.  Of these  outstanding  shares,  11,714,632  were freely  tradeable
without restriction under the Securities Act unless held by affiliates.

         Series A Preferred  Stock.  As of March 9, 1998,  23,800  shares of the
Company's Series A Convertible  Preferred Stock (the "Series A Preferred Stock")
were  issued and  outstanding.  Each share of the  Series A  Preferred  Stock is
convertible  into such  number of shares  of Common  Stock as is  determined  by
dividing the stated value ($100) of the share of Series A Preferred Stock by the
then current  Conversion  Price (which is  determined  by reference to a formula
that includes a discount,  adjusted for certain  events,  on the lowest  trading
price of the common  stock of the Company  over a five day period  ending on the
day prior to conversion as further described in the Certificate of Determination
of Preferences of Series A Preferred  Stock). If converted on March 9, 1998, the
Series A Preferred Stock would have been convertible into approximately  790,698
shares  of  Common  Stock,   but  this  number  of  shares  could  prove  to  be
significantly  greater in the event of a decrease  in the  trading  price of the
Common  Stock.  Purchasers  of Common  Stock could also  experience  substantial
dilution of their  investment upon  conversion of the Series A Preferred  Stock.
The shares of Series A Stock are currently not  registered  and may be sold only
if registered  under the  Securities Act or sold in acordance with an applicable
exemption from registration, such as Rule 144. A portion of the shares of Common
Stock  into  which  the  Series A  Preferred  Stock  may be  converted  has been
previously  registered and an additional  portion is being registered for resale
by the Selling Shareholder pursuant to this Registration Statement.

         As of March 9, 1998,  a warrant  to  purchase  57,142  shares of Common
Stock  issued to a  purchaser  of the Series A Preferred  Stock and  exercisable
beginning  on April 30,  1998 for a period of three  years at a price based on a
premium to the market  price as of April 30, 1998 (as may be adjusted  from time
to time under certain antidilution provisions) was outstanding. A portion of the
shares  of  Common  Stock  issuable  upon  exercise  of this  warrant  has  been
previously  registered and an additional  portion is being registered for resale
by the Selling Shareholder pursuant to this Registration Statement.

                                       -7-


<PAGE>

                                   THE COMPANY

Overview

         The following business section contains forward-looking statements that
involve  risks and  uncertainties.  The  Company's  actual  results could differ
materially  from those  anticipated  in these  forward-looking  statements  as a
result of certain factors, including those set forth under "Risk Factors."

         Sigma  designs,   manufactures  (using  subcontractors),   and  markets
multimedia products for use with personal computers. The emergence of multimedia
technology  in the PC market has  dramatically  changed  the way in which  users
interact with computers. Multimedia integrates different elements, such as sound
and video, to enhance the computing experience and deliver a heightened sense of
realism. Through its REALmagic product line incorporating MPEG technology, Sigma
Designs has become a leader in this emerging market.

         Prior to MPEG's introduction, video on personal computers suffered from
serious  drawbacks.  Motion pictures  appeared jerky,  and video was confined to
small window sizes. MPEG, a defined International  Standards  Organization (ISO)
standard  for  compression,   eliminated   those  problems  and   revolutionized
multimedia  on the PC platform.  For the first time,  MPEG users could play back
full-screen,  full-motion video combined with stereo audio, even from a standard
CD-ROM. A single CD-ROM using the MPEG compression  technique can store up to 74
minutes of full-motion video and audio.

         With MPEG  technology,  producers  can create  (and users can enjoy) an
interactive,  television-like  experience  on a  desktop  PC.  The  result  is a
significant new visual impact, thereby opening possibilities for a wide range of
entertainment,  education,  training, and business presentation applications. In
April 1997, the Company  announced its entry into the Digital Video Disk ("DVD")
market. A key element of the DVD  specification is the use of MPEG-2 for digital
video  compression,  a  technology  in which  Sigma has  established  expertise.
Sigma's  REALmagic  Hollywood  PC-based  DVD  solution  is an  extension  of the
Company's  MPEG  expertise  and  provides a  highly-integrated  solution for the
PC-DVD market.

The REALmagic MPEG Standard

         Since its first  shipment in November  1993,  REALmagic  technology has
received  support from PC industry  leaders,  software  developers,  and OEM and
retail customers.

Partnership with PC Industry Leaders

         Sigma  has  received  endorsement  for its  REALmagic  technology  from
companies  such  as  Hewlett-Packard   Company,  Hughes  Network  Systems,  IBM,
Microsoft Corporation, Oracle Corporation, Novell, Inc., Silicon Graphics, Inc.,
Starlight  Networks and Sun  Microsystems,  Inc. On the  operating  system side,
REALmagic is supported by Microsoft Windows 95 and IBM O/S 2. Additionally, both
Novell and Starlight  Networks have products that are compatible  with REALmagic
in a network environment.

Support from Software Developers

         Support for Sigma's  REALmagic  MPEG  standard has grown rapidly in the
software  development  community.  Three  years ago,  the Company  listed  fifty
authorized  REALmagic  software  developers;  by the end of fiscal 1996, Sigma's
roster of  developers  rose to more than 1,200,  including  Activision,  Tsunami
Media, Mindscape, Inc. and Interplay Productions. This developer support has led
to the introduction of more than 500 off-the-shelf  business applications in the
REALmagic format.


                                       -8-

<PAGE>

         The REALmagic DOS MPEG  Applications  Programming  Interface  (API) has
become an industry standard for MPEG-1 software development, further evidence of
support from the software development community.  With its robust functionality,
the REALmagic API is currently the preferred  technology  available for creating
fully interactive MPEG software titles.

Support from OEMs

         In the United States, Dell Computer  Corporation,  Smith Barney,  Inc.,
Infotel,  Royal Computer and Zenon  Technology,  Inc., have purchased  REALmagic
Maxima boards for installation inside their multimedia PCs.  Additionally,  many
VARs have taken shipments of REALmagic  boards for systems  targeted at vertical
kiosk, business training, and presentation applications.  In the Far East, where
the  popularity  of karaoke  and  videoCD  has made  REALmagic  a well  received
product,  the  Company's  OEM  customers  include  NEC  Corporation,   Panasonic
Industrial Co. and Virt in Japan and Hyundai and Haitai in Korea.

Acceptance by the Retail Channel

         In addition to international  distributors,  national U.S. distributors
such as Ingram  Micro,  Inc. and Tech Data  Corporation  are carrying  REALmagic
products.

REALmagic Business Strategies

         Sigma's corporate  objective is to continue to be a leading provider of
MPEG multimedia products that enable full-screen,  full-motion,  TV-like quality
video on the standard  desktop and the notebook PC. To accomplish  this goal the
Company intends to promote widespread  acceptance of REALmagic  technology.  The
key parts of this strategy include:

Encourage Continued Development of Software Utilizing REALmagic Technology

         The  Company   continues  to  encourage   widespread   software   title
development by providing free technical  support and licensing its comprehensive
API free of charge to all  developers  who wish to publish  REALmagic-compatible
software titles.

Win More OEM Partnerships and Further Penetrate the Retail Channel

         To establish REALmagic MPEG-2 as a standard,  the Company will continue
to seek design  wins with major PC  manufacturers  worldwide,  in which the OEMs
will  factory-install  REALmagic boards or chipsets inside their multimedia PCs.
On the retail side, the Company's  systems  integration sales team will continue
to work with its network of national distributors and special VARs to distribute
its high-end  REALmagic  playback card. In Europe and Asia Pacific,  the Company
will continue to expand its relationship  with  distributors as well as OEMs and
VARs.  In addition,  the Company will seek to sell to add-on card  manufacturers
who will, in turn, market to owners of 486 and Pentium PCs.

Introduce New Generations of REALmagic,  Offer REALmagic Products at Competitive
Prices, and Continually Reduce Product Costs

         A significant  aspect of the Company's  product  strategy is to include
the sale of REALmagic chipsets in its product line and continue developing newer
versions and  generations  of REALmagic  products,  including  chipsets for both
desktop  and  notebook  PCs.  The  general  direction  is to  continue  to offer
consumers with better-featured and lower-priced products over time.

                                       -9-

<PAGE>


REALmagic Products

         The Company offers a complete family of REALmagic products including:

         o        REALmagic  DVD--In April 1997, the Company announced its entry
                  into  the DVD  market.  The  Realmagic  Hollywood  DVD  MPEG-2
                  playback card turns a PC into a full-featured  DVD player that
                  fully  exploits all of the digital video and digital  surround
                  sound  capabilities  of the DVD  format  and  upcoming  MPEG-2
                  interactive   titles.  The  REALmagic   Hollywood   DVD/MPEG-2
                  playback  card  displays  flicker-free  video  at  full-screen
                  resolution,  making video  watching on a PC a new  experience.
                  Movies can be  simultaneously  displayed on the PC monitor and
                  on a large-screen TV.

         o        REALmagic  Maxima--An MPEG playback card designed to eliminate
                  compatibility  issues  with  graphics  cards by  using  Analog
                  Overlay  Technology.  The Maxima  accelerates  MPEG video to a
                  guaranteed   30  frames   per   second   playback   rate  with
                  high-quality  CD  sound at  resolutions  of up to 1280 x 1024,
                  which is in  compliance  with the MPC3  industry  standard for
                  MPEG  video   playback.   The  REALmagic   drivers   guarantee
                  compatibility with all interactive MPEG titles available today
                  and all future titles that are OM-1 compatible.


                                      -10-

<PAGE>


Marketing and Sales

         Sigma  Designs  currently  distributes  its products  through  sales to
national and regional  distributors,  VARs,  and OEMs in the U.S. and throughout
the world. The company's U.S.  distributors  include Ingram Micro, Inc. and Tech
Data, and its OEMs include Kapok Computers,  TigerDirect,  Inc., Royal Computer,
ASE Technologies,  Kingmax Technology,  Inc., Lung Hwa Electronics Co., Ltd. and
Zenon  Computer   Systems.   The  Company's   international   distributors   are
strategically located in many countries around the world.

         The Company generally  acquires and maintains products for distribution
through  retail  channels based on forecasts  rather than firm purchase  orders.
Additionally,  the  Company  generally  acquires  products  for  sale to its OEM
customers  only after  receiving  purchase  orders  from such  customers,  whose
purchase orders are typically  cancelable without  substantial penalty from such
OEM customers.  The Company currently places  noncancellable  orders to purchase
semiconductor products from its suppliers on a twelve- to sixteen-week lead time
basis.  Consequently,  if,  as a result of  inaccurate  forecasts  or  cancelled
purchase  orders,  anticipated  sales and  shipments in any quarter do not occur
when expected,  expenses and inventory levels could be disproportionately  high,
requiring  significant  working  capital and resulting in severe pressure on the
Company's financial condition.

Research and Development

         As of January 31,  1998,  the  Company  had a staff of 35 research  and
development personnel, which conducts all the Company's product development. The
Company  is  focusing  its  development  efforts  primarily  on MPEG  multimedia
products,  including  new and improved  versions of REALmagic  MPEG chipsets and
cost reduction processes.

         To achieve and  maintain  technological  leadership,  the Company  must
continue to make technological advancements in the areas of MPEG video and audio
compression and  decompression.  These advancements  include  compatibility with
emerging  standards  and  multiple  platforms,  improvements  to  the  REALmagic
architecture,  and  enhancements to the REALmagic API. There can be no assurance
that the Company  will be able to make any such  advancements  in the  REALmagic
MPEG  technology  or, if they are made,  that the Company will be able to market
such advancements to maintain profitability and its technological leadership.


                                      -11-

<PAGE>


         During  fiscal  1997,  fiscal  1996,  and fiscal  1995,  the  Company's
research and development expenses were $4,688,000,  $4,499,000,  and $4,349,000,
respectively.  The Company plans to continue to devote substantial  resources to
research and  development  of future  generations  of MPEG and other  multimedia
products.

Competition

         The market for MPEG multimedia products is highly competitive. Although
the Company  does not  believe  that any  products  sold by a third party are in
direct  competition  with the  REALmagic  decoding  card in  terms of price  and
performance,  the  possibility  that other  companies  with more  marketing  and
financial  resources  may  develop a  competitive  product  may inhibit the wide
acceptance  of REALmagic  technology.  The Company  believes  that many computer
product  manufacturers  are developing MPEG products that will compete  directly
with REALmagic products in the near future.

         The Company  believes  that the  principal  competitive  factors in the
market for MPEG  multimedia  hardware  products  include  time to market for new
product introductions, product performance, compatibility to industry standards,
price,  and marketing and distribution  resources.  The Company believes that it
competes most favorably with respect to time to market, product performance, and
price  of its  REALmagic  products.  Moreover,  the  Company  believes  that the
acceptance of the REALmagic API as an industry standard for software development
could provide a  significant  competitive  advantage  for the Company.  However,
there can be no assurance that the Company's  lead time in product  introduction
will be sustained.

         Sales to distributors and sometimes even to OEMs are typically  subject
to contractual rights of inventory rotation and price protection.  Regardless of
particular  contractual  rights, the failure of one or more distributors or OEMs
to achieve sustained  sell-through of REALmagic products could result in product
returns or collection problems,  contributing to significant fluctuations in the
Company's operating results.

Licenses, Patents, and Trademarks

         The  Company is seeking  patent  protection  for certain  software  and
hardware  features in current  and future  versions  of  REALmagic.  The Company
currently has eleven pending patent  applications for its REALmagic  technology.
Five  patents have been issued to the  Company.  There can be no assurance  that
more patents will be issued or that such patents,  even if issued,  will provide
adequate  protection for the Company's  competitive  position.  The Company also
attempts to protect its trade secrets and other proprietary  information through
agreements with customers, suppliers, and employees and other security measures.
Although the Company intends to protect its rights  vigorously,  there can be no
assurance that these measures will be successful.

Manufacturing

         To  reduce   overhead   expenses,   along  with  capital  and  staffing
requirements,  the Company currently uses third-party contract  manufacturers to
fulfill its  manufacturing  needs.  All of the chips used by the Company to make
its decoding products are manufactured by outside suppliers and foundries.  Each
of these  suppliers is a sole source of supply to the Company of the  respective
chips produced by such supplier.

         The Company's reliance on independent suppliers involves several risks,
including  the absence of adequate  capacity and reduced  control over  delivery
schedules,  manufacturing  yields,  and costs.  Any delay or interruption in the
supply  of any of the  components  required  for  the  production  of  REALmagic
products  could have a  material  adverse  impact on the sales of the  Company's
products and, thus, on the Company's operating results.


                                      -12-

<PAGE>


Backlog

         Since the Company's  customers  typically expect quick deliveries,  the
Company  seeks to ship  products  within a few weeks of  receipt  of a  purchase
order.  The customer may reschedule  delivery of products or cancel the purchase
order entirely without significant penalty.  Historically, the Company's backlog
has not been  reflective of future  sales.  The Company also expects that in the
near term, its backlog will continue to be not indicative of future sales.

Employees

         As of  January  31,  1998,  the  Company  had 71  full-time  employees,
including 35 in research and development,  12 in marketing,  sales, and support,
11 in operations, and 13 in finance and administration.

         The Company's  future  success will depend,  in part, on its ability to
continue to attract, retain, and motivate highly qualified technical, marketing,
engineering,  and management  personnel,  who are in great demand. The Company's
employees are not represented by any collective bargaining unit, and the Company
has never  experienced a work stoppage.  The Company  believes that its employee
relations are satisfactory.

Certain Accounting Changes

In February 1997, the Financial  Accounting  Standards Board issued Statement of
Financial  Accounting  Standards No. 128,  "Earnings per Share" (SFAS 128). SFAS
128 replaced the  previously  reported  primary and fully  diluted  earnings per
share with  basic and  diluted  earnings  per share.  Basic  earnings  per share
excludes  dilution  and is computed by dividing  net income  available to common
shareholders  by the  weighted  average  of common  shares  outstanding  for the
period.  Diluted  earnings per share reflects the potential  dilution that could
occur if securities or other  contracts to issue common stock were  exercised or
converted into common stock.

<TABLE>
The following table presents selected financial data which includes earnings per
share amounts  calculated in  accordance  with SFAS 128 (the table  includes all
periods for which  earnings per share amounts were  previously  presented in the
Form 10-K and Forms 10-Q which are incorporated by reference in this document):

<CAPTION>
(Dollars in 000's)                                             Fiscal year ended January 31,
                                             1997         1996         1995          1994           1993

<S>                                         <C>        <C>          <C>            <C>             <C>    
Net Revenues                                $41,214     $26,374     $43,700         $34,989        $27,058
Net Income (Loss) Available to
Common Shareholders                          $1,529    ($14,708)    ($8,773)       ($29,546)       ($7,166)
Net Income (Loss) Per Share
  - Basic                                     $0.16      ($1.88)     ($1.20)         ($5.15)        ($1.37)
  - Diluted                                   $0.14      ($1.88)     ($1.20)         ($5.15)        ($1.37)
Shares Used in Computation
  - Basic                                     9,843       7,822       7,307           5,733          5,234
  - Diluted                                  11,259       7,822       7,307           5,733          5,234
</TABLE>

<TABLE>
<CAPTION>
                                                                      Quarter ended,
                                        October 31,   July 31,    April 30,    January 31,    October 31,  July 31,     April
                                            1997         1997        1997          1997          1996        1996     30, 1996

<S>                                        <C>           <C>         <C>          <C>           <C>        <C>        <C>   
Net Revenues                               $10,022       $8,593      $8,507       $9,674        $12,727    $10,078    $8,735
Net Income (Loss) Available to
Common Shareholders                           ($64)     ($4,406)      ($598)        $222         $1,062       $349     ($104)
Net Income (Loss) Per Share
  - Basic                                   ($0.01)      ($0.40)     ($0.06)       $0.02          $0.11      $0.04    ($0.01)
  - Diluted                                 ($0.01)      ($0.40)     ($0.06)       $0.02          $0.09      $0.03    ($0.01)
Shares Used in Computation
  - Basic                                   10,970       10,916      10,852       10,318          9,931      9,773     9,267
  - Diluted                                 10,970       10,916      10,852       11,615         11,441     11,377     9,267
</TABLE>

                                      -13-

<PAGE>

                                 USE OF PROCEEDS

         The  Company  will not  receive  any  proceeds  from the sale of Shares
hereunder by the Selling Shareholders.

                               SELLING SHAREHOLDER

         On March 11, 1998, the Company, Banque Edouard Constant SA ("BEC"), and
KA Investments  LDC (the "Selling  Shareholder")  entered into an Assignment and
Assumption Agreement (the "Assignment  Agreement") pursuant to which, subject to
certain conditions,  the Selling Shareholder purchased from BEC 15,000 shares of
Series A  Convertible  Preferred  Stock (the  "Preferred  Stock") of the Company
convertible into shares of Common Stock of the Company and a warrant exercisable
for 21,428  shares of Common  Stock of the Company  exercisable  beginning on or
after April 30, 1998 (the "Warrant"). The Company and BEC had previously entered
into a Series A Preferred Stock Private Securities  Subscription Agreement dated
as of June 25, 1997 (the "Purchase Agreement"),  pursuant to which BEC purchased
a warrant exercisable for 57,142 shares of Common Stock of the Company beginning
April 30, 1998 and 40,000 shares of Series A Convertible  Preferred  Stock.  The
Preferred Stock is now  convertible  into Common Stock of the Company subject to
the  restrictions  described in the Purchase  Agreement and the  Certificate  of
Determination  of  Preferences  of  Series  A  Preferred  Stock.  BEC  had  also
previously  entered into a Registration  Rights  Agreement with the Company (the
"Registration Rights Agreement").

         Pursuant to the Assignment Agreement,  the Selling Shareholder obtained
certain  registration rights under the Registration Rights Agreement relating to
the Preferred Stock and the Warrant. This Registration  Statement has been filed
by the  Company  pursuant  to the  Assignment  Agreement.  Under the  Assignment
Agreement,  the Selling  Shareholder  is  restricted  from,  among other things,
exercising its right to convert the Preferred Stock or offering,  selling, short
selling,  or  otherwise  encumbering  or disposing of any shares of Common Stock
which would be received upon  conversion of the Preferred  Stock without consent
of the Company within 90 days following the closing of the Assignment  Agreement
and is  restricted  from  exercising  the Warrant  before  April 30,  1998.  The
Preferred  Stock and the  Warrant  are also  subject  to the  provisions  of the
Purchase Agreement and the Registration Rights Agreement.

<TABLE>
         The  following  table sets forth  certain  information  with respect to
beneficial  ownership of the Company's  Common Stock as of March 13, 1998 by the
Selling  Shareholder  and the number of shares of Common  Stock  covered by this
Prospectus. The Selling Shareholder has not held any position or office or had a
material  relationship with the Company or any of its affiliates within the past
three years.

<CAPTION>


                                                                                                      Shares of Common
                                                                                 Number of           Stock Beneficially    
                                                  Shares of Common               Shares of                 Owned
                                                 Stock Beneficially                Common             After Offering(1)
                                                   Owned Prior to                   Stock          ----------------------  
       Name and Address                              Offering(1)                Being Offered      Number         Percent
- -------------------------------------         -----------------------------     --------------     ----------------------
<S>                                                   <C>                        <C>                    <C>         <C>
KA Investments  LDC                                   900,000(2)(3)              900,000(2)(3)          0(4)        0(4)
     c/o Tamarchan Capital Management
     1712 Hopkins Crossroads
     Minnetonka, Minnesota 55305

<FN>
- ---------------------------

(1)  The number and percentage of shares  beneficially owned is determined under
     rules of the Securities and Exchange Commission, and the information is not
     necessarily indicative of beneficial ownership for any other purpose. Under
     such  rules,  beneficial  ownership  includes  any  shares  as to which the
     individual has sole or shared voting power or investment power and also any
     shares which the individual has the potential right to acquire within sixty
     (60) days of the Offering  through the conversion of the Preferred Stock or
     the exercise of the warrant.

(2)  Includes the number of shares of Common Stock  issuable upon (i) conversion
     of the Preferred Stock (the price of which will fluctuate from time to time
     based on changes in the market price of the Common Stock and  provisions in
     the formula for determining the conversion  price) and (ii) exercise of the
     Warrant exercisable on or after April 30, 1998 to purchase 21,428 shares of
     Common Stock.  The Preferred  Stock is not convertible for ninety (90) days
     following  the closing of the  Assignment  Agreement and the Warrant is not
     exercisable until April 30, 1998. Also includes an indeterminate  number of
     shares of  Common  Stock  that may  become  issuable  to  prevent  dilution
     resulting  from stock  splits,  stock  dividends  and  conversion  price or
     exercise price  adjustments,  which are included pursuant to Rule 416 under
     the Securities Act of 1933, as amended.





(3)  In order to provide for (i)  fluctuations in the market price of the Common
     Stock and (ii)  provisions in the formula for  determining  the  conversion
     price  of  the  Preferred  Stock  provided  for in the  terms  thereof, the
     aggregate  number of shares of Common Stock  registered  hereby exceeds the
     aggregate  number of such shares  issuable upon conversion of the Preferred
     Stock at the conversion price in effect on the date hereof.

(4)  Assumes sale of all shares of Common Stock offered hereby.

</FN>
</TABLE>

                                      -14-

<PAGE>

                              PLAN OF DISTRIBUTION

         The Selling  Shareholder  may, from time to time, sell all or a portion
of the Shares on the Nasdaq National Market in privately negotiated transactions
or otherwise,  at fixed prices that may be changed,  at market prices prevailing
at the time of sale,  at prices  related to such market  prices or at negotiated
prices. The Shares may be sold by the Selling  Shareholder by one or more of the
following methods,  without limitation:  (a) block trades in which the broker or
dealer so engaged  will attempt to sell the Shares as agent but may position and
resell a portion of the block as principal to facilitate  the  transaction,  (b)
purchases by a broker or dealer as principal and resale by such broker or dealer
for its account  pursuant to this  Prospectus,  (c) an exchange  distribution in
accordance with the rules of such exchange,  (d) ordinary brokerage transactions
and  transactions  in  which  the  broker  solicits  purchasers,  (e)  privately
negotiated  transactions,  (f)  short  sales and (g) a  combination  of any such
methods of sale. In effecting sales,  brokers and dealers engaged by the Selling
Shareholder may arrange for other brokers or dealers to participate.  Brokers or
dealers may receive  commissions or discounts from the Selling  Shareholder (or,
if any such broker-dealer  acts as agent for the purchaser of such shares,  from
such  purchaser)  in amounts to be  negotiated  which are not expected to exceed
those customary in the types of transactions involved.  Broker-dealers may agree
with the  Selling  Shareholder  to sell a  specified  number of such Shares at a
stipulated price per share,  and, to the extent such  broker-dealer is unable to
do so acting as agent for a Selling  Shareholder,  to purchase as principal  any
unsold Shares at the price required to fulfill the  broker-dealer  commitment to
the Selling  Shareholder.  Broker-dealers  who acquire  Shares as principal  may
thereafter  resell  such  Shares  from time to time in  transactions  (which may
involve  block  transactions  and  sales to and  through  other  broker-dealers,
including  transactions of the nature described  above) in the  over-the-counter
market or otherwise at prices and on terms then  prevailing at the time of sale,
at  prices  then  related  to the  then-current  market  price or in  negotiated
transactions  and, in connection  with such resales,  may pay to or receive from
the  purchasers  of such Shares  commissions  as  described  above.  The Selling
Shareholder  may also  sell the  Shares  in  accordance  with Rule 144 under the
Securities Act, rather than pursuant to this Prospectus.

         The  Selling   Shareholder  and  any   broker-dealers  or  agents  that
participate with the Selling Shareholder in sales of the Shares may be deemed to
be  "underwriters"  withing the meaning of the Securities Act in connection with
such sales. In such event, any commissions  received by such  broker-dealers  or
agents  and any  profit on the  resale of the  Shares  purchased  by them may be
deemed to be underwriting commissions or discounts under the Securities Act.

         From time to time the Selling  Shareholder  may engage in short  sales,
short sales against the box, puts and calls and other transactions in securities
of the Company or  derivatives  thereof,  and may sell and deliver the Shares in
connection  therewith  or in  settlement  of  securities  loans.  If the Selling
Shareholder  engages in such transaction,  the Conversion Price may be affected.
From time to time the Selling  Shareholder  may pledge their Shares  pursuant to
the margin  provisions  of its  customer  agreements  with its  brokers.  Upon a
default by the  Selling  Shareholder,  the broker may offer and sell the pledged
Shares from time to time.

         The Company is required  to pay all fees and  expenses  incident to the
registration  of the Shares,  including  one half of any fees and  disbursements
(which half is not to exceed an  aggregate  of $5,000) of counsel to the Selling
Shareholder. The Company has agreed to indemnify the Selling Shareholder against
certain losses, claims, damages and liabilities, including liabilities under the
Securities Act.


                                  LEGAL MATTERS

         Certain  legal  matters  relating  to  validity of the shares of Common
Stock  offered  hereby  will be passed  upon for the  Company by Wilson  Sonsini
Goodrich & Rosati, Professional Corporation, Palo Alto, California.


                                     EXPERTS

         The  consolidated   financial  statements  and  the  related  financial
statement  schedule  incorporated  in this  prospectus  by  reference  from  the
Company's  Annual Report on Form 10-K for the fiscal year ended January 31, 1997
have been audited by Deloitte & Touche LLP, independent  auditors,  as stated in
their  report,  which  is  incorporated  herein  by  reference, and have been so
incorporated in reliance upon the report of such firm given upon their authority
as experts in accounting and auditing.


                                      -15-

<PAGE>



                                TABLE OF CONTENTS
                                                                         Page
                                                                         ----
Available Information..................................................... 2
Incorporation of Certain Documents by Reference........................... 2
Risk Factors.............................................................. 3
The Company............................................................... 8
Use of Proceeds...........................................................14
Selling Shareholder ......................................................14
Plan of Distribution..................................................... 15
Legal Matters............................................................ 15
Experts.................................................................. 15

         No  dealer,  sales  representative,   or  any  other  person  has  been
authorized to give any information or to make any  representations in connection
with this offering other than those contained in this Prospectus,  and, if given
or made, such information or  representations  must not be relied upon as having
been authorized by the Company or any of the Underwriters.  This Prospectus does
not  constitute  an  offer  to sell or a  solicitation  of an  offer  to buy any
securities other than the shares of Common Stock to which it relates or an offer
to, or a solicitation of, any person in any jurisdiction  where such an offer or
solicitation would be unlawful.  Neither the delivery of this Prospectus nor any
sale made hereunder shall, under any circum stances,  create an implication that
there has been no change  in the  affairs  of the  Company  or that  information
contained herein is correct as of any date subsequent to the date hereof.


                                 900,000 Shares

                               SIGMA DESIGNS, INC.

                                  Common Stock

                                  ------------
                                   PROSPECTUS
                                  ------------

                                 March __, 1998




                                      -16-

<PAGE>


                                     PART II

                     INFORMATION NOT REQUIRED IN PROSPECTUS

Item 14.  Other Expenses of Issuance and Distribution

         The  following  table  sets  forth the costs and  expenses,  other than
underwriting  discounts and commissions,  payable in connection with the sale of
Common Stock being  registered.  All amounts are estimates except the Securities
and Exchange Commission  registration fee and the Nasdaq National Market Listing
Fee.


Securities and Exchange Commission Registration Fee.....          $   817
Nasdaq National Market Listing Fee......................           17,500
Legal Fees and Expenses.................................           60,000
Accounting Fees and Expenses............................           10,000
Blue Sky Fees and Expenses..............................            2,500
Transfer Agent and Registrar Fees.......................            5,000
Miscellaneous...........................................            1,500
         Total..........................................          $97,317

Item 15.  Indemnification of Directors and Officers

         Section 317 of the California  Corporations  Code authorizes a court to
award or a corporation's  Board of Directors to grant indemnity to directors and
officers  in terms  sufficiently  broad to  permit  such  indemnification  under
certain  circumstances  for liabilities  (including  reimbursement  for expenses
incurred)  arising  under the  Securities  Act.  Article IV of the  Registrant's
Second Restated  Articles of  Incorporation  and Article VI of the  Registrant's
Bylaws provide for  indemnification  of its directors,  officers,  employees and
other  agents to the maximum  extent  permitted by the  California  Corporations
Code. In addition,  the Registrant has entered into  Indemnification  Agreements
with its officers and directors.

         Insofar as indemnification for liabilities arising under the Securities
Act  may  be  permitted  to  directors,  officers  or  persons  controlling  the
Registrant  pursuant  to the  foregoing  provisions,  the  Registrant  has  been
informed that in the opinion of the  Securities  and Exchange  Commission,  such
indemnification  is against public policy as expressed in the Securities Act and
is therefore unenforceable.

Item 16.  Exhibits and Financial Statement Schedules

         (a)   EXHIBITS

                  4.1*     Form of  Subscription  Agreement  by and  between the
                           Company  and the initial  purchasers  of the Series A
                           Preferred Stock and warrants.
                  4.2*     Form of Registration  Rights Agreement by and between
                           the Company the  initial  purchasers  of the Series A
                           Preferred Stock and warrants.
                  4.3      Assignment and Assumption  Agreement by and among the
                           Company, BEC and the Selling Shareholder.
                  4.4      Form of Stock Purchase Warrant.
                  5.1      Opinion   of  Wilson   Sonsini   Goodrich  &  Rosati,
                           Professional Corporation, counsel for the Registrant.
                  23.1     Independent Auditors' Consent.
                  23.2     Consent   of  Wilson   Sonsini   Goodrich  &  Rosati,
                           Professional Corporation,  counsel for the Registrant
                           (included in Exhibit 5.1).
                  24.1     Power of Attorney.

*    Incorporated by reference to Registration  Statement No.  333-33147  (filed
     August 7, 1997).

- ---------------------------

         Schedules  not listed  above  have been  omitted  because  they are not
applicable  or are not  required  or the  information  required  to be set forth
therein is included in the consolidated financial statements or notes thereto.

                                      II-2

<PAGE>


Item 17.  Undertakings

         Insofar as  indemnification  by the Registrant for liabilities  arising
under the Securities Act may be permitted to directors, officers and controlling
persons of the Registrant  pursuant to the foregoing  provisions,  or otherwise,
the  Registrant  has been  advised  that in the  opinion of the  Securities  and
Exchange  Commission such  indemnification is against public policy as expressed
in the  Securities  Act and is,  therefore,  unenforceable.  In the event that a
claim for  indemnification  against such liabilities  (other than the payment by
the  Registrant  of  expenses  incurred  or  paid  by  a  director,  officer  or
controlling  person of the Registrant in the  successful  defense of any action,
suit or proceeding) is asserted by such director,  officer or controlling person
in connection with the securities  being  registered  hereunder,  the Registrant
will,  unless in the  opinion of its  counsel  the  matter  has been  settled by
controlling  precedent,  submit  to a  court  of  appropriate  jurisdiction  the
question  whether  such  indemnification  by  it is  against  public  policy  as
expressed in the Securities  Act and will be governed by the final  adjudication
of such issue.

         The undersigned Registrant hereby undertakes:

         (1) To file, during any period in which offers or sales are being made,
a  post-effective  amendment  to this  Registration  Statement  to  include  any
material  information  with respect to the plan of  distribution  not previously
disclosed  in  the  Registration  Statement  or  any  material  change  to  such
information in the Registration Statement.

         (2) That,  for the  purpose  of  determining  any  liability  under the
Securities Act, each such  post-effective  amendment shall be deemed to be a new
Registration  Statement  relating to the  securities  offered  therein,  and the
offering of such  securities at that time shall be deemed to be the initial bona
fide offering thereof.

         (3) To remove from registration by means of a post-effective  amendment
any of the securities being registered which remain unsold at the termination of
the offering.

         The  undersigned  Registrant  hereby  undertakes  that, for purposes of
determining  any  liability  under  the  Securities  Act,  each  filing  of  the
Registrant's  annual  report  pursuant to Section  13(a) or Section 15(d) of the
Exchange Act (and, where  applicable,  each filing of an employee benefit plan's
annual  report   pursuant  to  Section  15(d)  of  the  Exchange  Act)  that  is
incorporated by reference in the Registration  Statement shall be deemed to be a
new registration  statement relating to the securities offered therein,  and the
offering of such  securities at that time shall be deemed to be the initial bona
fide offering thereof.

         The  undersigned  Registrant  hereby  undertakes  that for  purposes of
determining any liability under the Securities Act, the information omitted from
the form of Prospectus filed as part of this Registration  Statement in reliance
upon 430A and contained in a form of Prospectus filed by the Registrant pursuant
to Rule  424(b)(1) or (4) or 497(h) under the  Securities Act shall be deemed to
be part of this Registration Statement as of the time it was declared effective.


                                      II-3

<PAGE>



                                   SIGNATURES

         Pursuant  to the  requirements  of the  Securities  Act  of  1933,  the
Registrant  has duly  caused  this  Registration  Statement  to be signed on its
behalf by the undersigned,  thereunto duly  authorized,  in the City of Fremont,
State of California, on the 10th day of March 1998.

                                   SIGMA DESIGNS, INC.


                                   By: /s/ Thinh Q. Tran
                                       -----------------------------------------
                                           Thinh Q. Tran
                                           Chairman of the Board,
                                           President and Chief Executive Officer



                                POWER OF ATTORNEY

         Know  all men by these  presents,  that  each  person  whose  signature
appears  below  constitutes  and appoints  Thinh Q. Tran (with full power to act
alone),  his true and  lawful  attorney-in-fact  and  agent,  with full power of
substitution,  for  him  and on his  behalf  to  sign,  execute  and  file  this
Registration Statement and any or all amendments (including, without limitation,
post-effective  amendments  and  any  amendment  or  amendments  or  abbreviated
registration   statement   increasing   the  amount  of  securities   for  which
registration is being sought) to this Registration Statement,  with all exhibits
and any and all documents  required to be filed with respect  thereto,  with the
Securities and Exchange  Commission or any regulatory  authority,  granting unto
such  attorney-in-fact and agent full power and authority to do and perform each
and every  act and thing  requisite  and  necessary  to be done in and about the
premises in order to effectuate the same as fully to all intents and purposes as
he or she  might  or  could  do if  personally  present,  hereby  ratifying  and
confirming  all  that  such  attorney-in-fact  and  agent or his  substitute  or
substitutes, may lawfully do or cause to be done by virtue hereof.

<TABLE>
         PURSUANT  TO THE  REQUIREMENTS  OF THE  SECURITIES  ACT OF  1933,  THIS
REGISTRATION  STATEMENT  HAS  BEEN  SIGNED  BY  THE  FOLLOWING  PERSONS  IN  THE
CAPACITIES AND ON THE DATE INDICATED:

<CAPTION>
              SIGNATURE                                           TITLE                                      DATE


<S>                                         <C>                                                        <C> 
/s/  Thinh Q. Tran                              Chairman of the Board, President and Chief             March 15, 1998
- --------------------------------------      Executive Officer (Principal Executive Officer) 
     Thinh Q. Tran                           

/s/  Kit Tsui                                 Director of Finance, Chief Financial Officer,            March 15, 1998
- --------------------------------------     Secretary (Chief Financial and Accounting Officer)
     Kit Tsui                             
  
/s/  William J. Almon                                        Director                                  March 15, 1998
- --------------------------------------
     William J. Almon

/s/  William Wang                                             Director                                 March 15, 1998
- --------------------------------------
     William Wang

*By: /s/ Thinh Q. Tran                                                                                 March 15, 1998
- --------------------------------------
     Attorney-in-Fact

</TABLE>
                                      II-4


<PAGE>



                                  EXHIBIT INDEX

EXHIBIT NUMBER
- --------------


      4.1*             Form of Subscription Agreement by and between the Company
                       and the  initial  purchasers  of the  Series A  Preferred
                       Stock and warrants.

      4.2*             Form of Registration  Rights Agreement by and between the
                       Company the initial  purchasers of the Series A Preferred
                       Stock and warrants.

      4.3              Assignment  and  Assumption  Agreement  by and  among the
                       Company, BEC and the Selling Shareholder.

      4.4              Form of Stock Purchase Warrant.

      5.1              Opinion of Wilson Sonsini Goodrich & Rosati, Professional
                       Corporation, counsel for the Registrant.

      23.1             Independent Auditors' Consent.

      23.2             Consent of Wilson Sonsini Goodrich & Rosati, Professional
                       Corporation,  counsel  for the  Registrant  (included  in
                       Exhibit 5.1).

      24.1             Power of Attorney. (See page II-4.)


*    Incorporated by reference to Registration  Statement No.  333-33147  (filed
     August 7, 1997).

                                      II-5




                                                                     Exhibit 4.3

                           Assignment and Assumption
                          Agreement by and between the
                    Company, BEC and the Selling Shareholder

                       ASSIGNMENT AND ASSUMPTION AGREEMENT


         ASSIGNMENT AND ASSUMPTION  AGREEMENT  (this  "Agreement"),  dated as of
March 11, 1998, among Banque Edouard Constant, a Swiss corporation ("Assignor"),
KA  Investments  LDC,  a Cayman  Islands  corporation  ("Assignee"),  and  Sigma
Designs, Inc., a California corporation (the "Company").

         WHEREAS,  the Company and Assignor entered into a certain  Subscription
Agreement  (the  "Subscription  Agreement";   capitalized  terms  used  and  not
otherwise  defined  herein shall have the  respective  meanings set forth in the
Subscription Agreement), dated as of June 25, 1997;

         WHEREAS,  in  connection  with  the  transactions  contemplated  by the
Subscription  Agreement,  the Company  delivered  to Assignor  40,000  shares of
Series A Preferred  Stock (the  "Shares")  and a common stock  purchase  warrant
pursuant to which the Assignor is currently entitled to acquire 57,142 shares of
Common  Stock of the  Company  at an  exercise  price of  $9.425,  as set  forth
thereunder (the  "Warrant")  (the shares of Common Stock  underlying the Warrant
are referred to as the "Warrant Shares");

         WHEREAS,  the  Assignor  wishes to hereby  sell,  transfer,  convey and
assign to the Assignee its right, title and interest in 15,000 Shares (the "Sold
Shares") and 21,428 Warrant Shares (the "Sold Warrants,"  together with the Sold
Shares,  the  "Securities")  and to retain its right,  title and interest in the
remaining 8,000 Shares and the remaining 35,714 Warrant Shares;

         WHEREAS,  in  connection  with  the  transactions  contemplated  by the
Subscription  Agreement,  the Company granted the Assignor certain  registration
rights  regarding  the  Common  Stock  underlying  the Shares  (the  "Underlying
Shares") and the Warrant Shares pursuant to the Registration  Rights  Agreement,
dated  as  of  June  25,  1997  between  the  Company  and  the  Assignor   (the
"Registration Rights Agreement");

         WHEREAS,  pursuant to the Registration  Rights Agreement,  on August 7,
1997, the Company filed a registration statement on Form S-3 with the Securities
and Exchange Commission (the "SEC") covering the resale of the Underlying Shares
and Warrant Shares (the  "Registration  Statement")  and, in connection with the
closing of the transactions  contemplated hereunder, the Company will file a new
registration  statement (the "New Registration  Statement") in order to register
an  additional  900,000  shares of  Common  Stock  pursuant  to the terms of the
Registration Rights Agreement (the "Additional  Registrable  Securities") and to
include the  Assignee as a selling  shareholder  thereunder  with respect to its
Underlying Shares and Warrant Shares (the "Assignee's Underlying Share"); and

         WHEREAS,   the  Company  has  agreed  to  permit  the  sale,  transfer,
conveyance and assignment of the Securities, subject to the terms and conditions
set forth below.

                                       -1-

<PAGE>


         NOW,  THEREFORE,  in  consideration  of the  promises and of the mutual
covenants  herein set forth and for other good and valuable  consideration,  the
receipt of which is hereby acknowledged, the parties hereto agree as follows:

         1.  Assignment of the  Securities.  Subject to the terms and conditions
set forth in this Agreement and the Escrow Agreement among the Company, Assignor
and  Assignee,  dated the date hereof (the  "Escrow  Agreement"),  the  Assignor
hereby sells,  transfers,  conveys and assigns to Assignee the  Securities,  the
Assignee accepts such sale, transfer, conveyance and assignment in reliance upon
the  Assignor's  representations  and warranties set forth in Schedule A and the
Company's representations and warranties set forth in Schedule B and the Company
agrees  to  permit  such  sale,  transfer,  conveyance  and  assignment  of  the
Securities in reliance upon the  Assignee's  representations  and warranties set
forth in Schedule C.

         2.  Purchase  Price.  The purchase  price for the  Securities  shall be
$1,500,000 (the "Purchase Price").

         3. Filing of the New Registration  Statement.  The Company acknowledges
and  confirms   that  within  five  (5)  business  days  of  its  receipt  of  a
fully-executed  copy of this Agreement (the "Filing Date"), it will file the New
Registration Statement to include the Additional Registrable Securities and name
the Assignee as a selling shareholder  thereunder with respect to the Assignee's
Underlying Shares, provided, however, that not less than three (3) business days
prior to the Filing Date,  the Company shall (i) furnish to the Assignee and its
counsel,  copies of all such documents  proposed to be filed in connection  with
the New Registration  Statement,  which documents (other than those incorporated
or deemed to be  incorporated by reference) will be subject to the review of the
Assignee and its counsel, and (ii) cause its officers and directors, counsel and
independent  certified public  accountants to respond to such inquiries as shall
be necessary, in the opinion of respective counsel to the Assignee, to conduct a
reasonable  investigation  within the meaning of the Securities Act. The Company
shall not file the New  Registration  Statement if the Assignee is reviewing the
New  Registration  Statement  and shall  reasonably  object  on a timely  basis.
Notwithstanding  anything to the contrary  contained  herein,  in the event that
either (i) the Company and the  Assignee  are unable to agree on the language to
be  used in the  New  Registration  Statement,  or  (ii)  the  New  Registration
Statement has not been filed with the SEC by the Filing Date, the Assignee shall
have the right to  terminate  this  Agreement  at any time after the Filing Date
(the "Assignee's Termination Right").

         4. Closing of the Sale of the Securities.

                  (a) The closing for the sale of the Securities (the "Closing")
shall, subject to the terms of the Escrow Agreement, take place two (2) business
days following the date on which the Escrow Agent has received a copy of the New
Registration  Statement,  together  with proof  reasonably  satisfactory  to the
Assignee that such New Registration Statement has been filed with the SEC.

                                       -2-

<PAGE>


                  (b) At the Closing,  the Escrow Agent,  in accordance with and
subject to the terms and conditions of the Escrow  Agreement,  shall deliver (i)
to the Assignee,  (x) a copy of the New  Registration  Statement  which has been
filed with the SEC, (y) now stock  certificate(s)  registered in the name of the
Assignee  reflecting the ownership of 15,000 shares of Series A Preferred  Stock
by the Assignee,  and (z) a new common stock purchase warrant  registered in the
name of the Assignee  (the  "Assignee  Warrant") in the form of the Warrant,  to
acquire 21,428 shares of Common Stock,  which Assignee Warrant shall contain the
same  terms as the  Warrant,  except  that the  exercise  price of the  Assignee
Warrant  shall be 130% of the average  closing bid price of the Common Stock for
the five days trading days  immediately  preceding May 1, 1998,  provided,  that
such  exercise  price shall not exceed  $9.425,  (ii) to the  Assignor,  (x) the
Purchase Price,  and (y) a new common stock purchase  warrant  registered in the
name of the Assignor (the "Assignor  Warrant"),  in the form of the Warrant,  to
acquire 35,714 shares of Common Stock,  which Assignor Warrant shall contain the
same terms as the  Assignee  Warrant,  (iii) to the  Company,  the old  warrant,
representing  the Warrant,  previously  delivered to the Assignor in  connection
with the Subscription  Agreement,  and (iv) to the party entitled  thereto,  all
other  documents,  instruments  and  writings,  if any,  required  to have  been
delivered  at or prior to such  Closing  by any party  hereto  pursuant  to this
Agreement or the Escrow Agreement.

         5.       Certain Agreements of the Company.

                  (a)  The  Company  acknowledges  and  confirms  that  (i)  the
Assignee is an intended  beneficiary hereof and shall be entitled to enforce all
of the rights and benefits of a Purchaser under the Purchase  Agreement as if it
were a party thereto, and (ii) the Assignee's  Underlying Shares shall be deemed
to  be  "Registrable   Securities"  (as  defined  in  the  Registration   Rights
Agreement),  and that the Assignee shall have the same registration  rights with
respect to the Assignee's  Underlying Shares as all other owners of "Registrable
Securities" have under the  Registration  Rights Agreement as if it were a party
thereto.

                  (b) The  Company  acknowledges  and  confirms  that if the New
Registration  Statement is not declared  effective by the SEC on or prior to the
60th day  following  the date of the  Closing  (the  "Effectiveness  Date")  the
Company  shall  pay  to  the  Assignee  $15,000  on the  Effectiveness  Date  as
liquidated  damages and not as a penalty.  Thereafter,  the Company shall pay to
the  Assignee,  as  liquidated  damages  and not as a  penalty,  $45,000 on each
monthly   anniversary   following  the  Effectiveness  Date  in  which  the  New
Registration  Statement  has  not  been  declared  effective  by  the  SEC.  The
Effectiveness  Date will be extended,  as applicable,  by the number of days, in
excess of two (2), during which the proposed registration statement was reviewed
by the Assignee and its counsel pursuant to Section 3 hereof.

                  (c) At the  Closing,  the Company  shall pay one half (1/2) of
the legal fees and  expenses of the  Assignee  incident to the  preparation  and
negotiation  of  documents  relating to the  transactions  contemplated  by this
Agreement, up to a maximum of $5,000.

                                       -3-

<PAGE>


                  (d) At the Closing,  the Company agrees to pay to the Assignor
accrued and unpaid  dividends up to and  including the date of the Closing and a
special  payment  of 1.5% of the  aggregate  Original  Issue  Price  of the Sold
Shares.

                  (e) The  Assignee  and the Company  agree that the  Assignee's
right to receive dividends on the Sold Shares shall begin on the day immediately
following the Closing.

         6.       Certain Agreements of the Assignee.

                  (a) The Assignee agrees that it will not exercise its right to
convert the Sold Shares into shares of Common  Stock prior to 90 days  following
the date of the Closing.

                  (b)  The  Assignee  agrees  further  that  until  the  day the
Assignee  validly  exercises its right to convert the Sold Shares into shares of
Common Stock (the  "Lock-up  Period"),  it will not,  without the express  prior
written  consent of the  Company,  offer,  sell,  make any short sale of,  loan,
encumber,  grant any option for the purchase of, or  otherwise,  dispose of (the
"Resale  Restrictions"),  any  securities of the Company  beneficially  owned or
otherwise  held by the Assignee as of the date hereof or  hereafter  acquired by
the Assignee (collectively,  the "Restricted Securities").  The foregoing Resale
Restrictions  are  expressly  agreed to  preclude  the holder of the  Restricted
Securities from engaging in any hedging or other  transaction  which may lead to
or result in a sale of Restricted  Securities during the Lock-up Period, even if
such  Restricted  Securities  would be sold by someone  other than the Assignee.
Such prohibited hedging or other transactions would include, without limitation,
any short sale  (whether or not against  the box),  any pledge or any  purchase,
sale or grant  of any  right  (including,  without  limitation,  any put or call
option)  with  respect  to  any  of  the  Restricted   Securities.   The  Resale
Restrictions  shall not apply to the  conversion  of the Sold Shares into Common
Stock as  contemplated  by this  Agreement  but shall apply to the Common  Stock
issued upon such  conversion.  The Assignee  agrees and consents to the entry of
stop transfer  instructions  with the transfer  agent for the  Company's  Common
Stock  against any  transfer  of shares of Common  Stock by the  undersigned  in
contravention of the Resale Restrictions.

                  (c) The  Assignee  agrees not to  effectuate  or cause a third
party to effectuate a sale of, offer for sale, or solicit a purchase or offer to
purchase  the Common  Stock with the  intention  of causing a  reduction  in the
Conversion Price.

         7.       Miscellaneous.

                  (a)  Authority.  Each of the  Company,  the  Assignor  and the
Assignee  hereby  represent and warrant to the other that each has the requisite
power  and  authority  to  enter  into  and  to  consummate   the   transactions
contemplated  by  this  Agreement,  that  the  execution  and  delivery  of this
Agreement and the  transactions  contemplated  by this  Agreement have been duly
authorized  by all  necessary  action,  that  this  Agreement  has been  validly
executed and delivered, and that this Agreement constitutes its valid, legal and
binding obligation,  enforceable against it in accordance with its terms, except
as such enforceability may be limited by applicable bankruptcy, insolvency,

                                       -4-

<PAGE>


reorganization,   moratorium,  liquidation  or  similar  laws  relating  to,  or
affecting  generally the  enforcement of,  creditors'  rights and remedies or by
other equitable principles of general application.

                  (b) Further  Assurances.  The parties  hereto agree to execute
such other documents and instruments as may be reasonably required to effectuate
the sale, transfer, conveyance and assignment contemplated by this Agreement.

                  (c) Amendment and Modification. This Agreement may be amended,
modified and supplemented  only in a written  agreement  executed by each of the
parties hereto.

                  (d) Successors and Assigns.  This Agreement shall inure to the
benefit of and be binding upon the respective  successors and permitted  assigns
of the parties hereto.  Assignment of the rights and obligations hereunder shall
be governed by the terms thereof set forth in the Registration Rights Agreement.
The  assignment by a party of this Agreement or any rights  hereunder  shall not
affect the obligations of such party under this Agreement.

                  (e)  Governing  Law. This  Agreement  shall be governed by and
construed in accordance  with the internal laws of the State of New York without
regard to conflicts of law principals thereof.

                  (f) Counterpart Signatures;  Facsimile.  This Agreement may be
executed in  counterparts,  which will, when taken  together,  be deemed for all
purposes  to be one and  the  same  Agreement.  For all  purposes,  a  signature
delivered by  facsimile  shall have the same force and effect as the original of
such signature.

                  [REMAINDER OF PAGE INTENTIONALLY LEFT BLANK]
                            [SIGNATURE PAGE FOLLOWS]

                                       -5-

<PAGE>



         IN WITNESS WHEREOF,  the parties hereto have caused this Assignment and
Assumption  Agreement  to be duly  executed  as of the day and year first  above
written.

                                                    SIGMA DESIGNS, INC.



                                                    By:_________________________
                                                          Name:_________________
                                                          Title:________________


                                                    BANQUE EDOUARD CONSTANT



                                                    By:_________________________
                                                          Name:_________________
                                                          Title:________________


                                                    KA INVESTMENTS LDC



                                                    By:_________________________
                                                          Name:_________________
                                                          Title:________________

                                       -6-

<PAGE>


                                                                      Schedule A


                   Representations and Warranties of Assignor

         1. The  Shares and the  Warrant  were  acquired  by the  Assignor  in a
transaction exempt from the registration requirements of the Securities Act.

         2. The Assignor holds of record and owns beneficially the Securities.

         3. The Assignor is not a party to any option, warrant,  purchase right,
or other contract or commitment  (other than this  Agreement)  that requires the
Assignor to sell, transfer, or otherwise dispose of any of the Securities or the
Underlying Shares.

         4. The  Assignor  has all right,  power and  authority  to transfer the
Securities to the Assignee in accordance with the terms of this Agreement.

         5.  Upon  the  Closing,  such  Securities  will be  transferred  to the
Assignee free and clear of all liens, claims and encumbrances.

         6. No consent,  approval  or other  authorization  is required  for the
Assignor to assign the Securities to the Assignee  pursuant to the terms of this
Agreement.

         7.  Immediately  prior to the date of this Agreement,  the Assignor was
listed as a selling  shareholder in the  Registration  Statement with respect to
the Underlying Shares.



<PAGE>


                                                                      Schedule B


                  Representations and Warranties of the Company

         1. The  Shares and the  Warrant  were  acquired  by the  Assignor  in a
transaction exempt from the registration requirements of the Securities Act.

         2. The  Registration  Statement  remains  effective with respect to the
resale  of the  Warrant  Shares  and  shares  of  Common  Stock  underlying  the
Assignor's Shares.



<PAGE>


                                                                      Schedule C


                   Representations and Warranties of Assignee

         1. The Assignee represents that it is an "accredited  investor" as such
term is defined in Rule 501(a) promulgated under the Securities Act.

         2. The  Assignee  either  alone or with  its  representatives  has such
knowledge and experience in financial and business matters that it is capable of
evaluating  the  merits  and  risks  of  the  investment  contemplated  by  this
Agreement.

         3. The  Assignee is able to bear the  economic  risk of the  investment
contemplated  by this  Agreement  and, at the present  time, is able to afford a
complete loss of such investment.

         4. The Assignee has no present  intention to sell the  Securities to or
through any person or entity.

         5. The Assignee is  acquiring  the  Securities  for its own account and
does not intend to be a "distributor" of the Securities.



<PAGE>


                                ESCROW AGREEMENT

         ESCROW AGREEMENT (this "Agreement"),  dated as of March 11, 1998, among
Sigma Designs,  Inc. (the "Company"),  Banque Edouard Constant (the "Assignor"),
KA Investments  LDC (the  "Assignee") and Robinson  Silverman  Pearce Aronsohn &
Berman LLP ("RSPA&B") as escrow agent (the "Escrow Agent").


                                    Recitals

         A.  Simultaneously  with the execution of this Agreement,  the Company,
the Assignor and the Assignee  have entered into an  Assignment  and  Assumption
Agreement, dated as of the date hereof (the "Assignment Agreement";  capitalized
terms used herein without  definition  shall have the meanings  assigned to such
terms in the Assignment Agreement),  pursuant to which the Assignor is assigning
the Securities to the Assignee.

         B. The Escrow Agent is willing to act as escrow  agent  pursuant to the
terms of this Agreement with respect to the delivery of the Purchase Price to be
paid for the  Securities  and the  delivery  of one or more  stock  certificates
representing   the  Sold  Shares  and  the  Sold  Warrant   (collectively,   the
"Consideration").

         C. Upon the closing of the  transaction  contemplated by the Assignment
Agreement (the "Closing"), and the occurrence of an event described in Section 2
below,  the Escrow Agent shall cause the  distribution of the  Consideration  in
accordance with the terms of this Agreement.

         NOW, THEREFORE, IT IS AGREED:

         1.       Deposit of Consideration.

                  (a)  Concurrently  with the execution  hereof (i) the Assignee
shall deposit the Purchase Price with the Escrow Agent,  (ii) the Assignor shall
deliver  to the  Escrow  Agent (x) the stock  certificate(s),  representing  the
15,000  Shares,  previously  delivered  to the Assignor in  connection  with the
Subscription Agreement (the "June Stock Certificates"), and (y) the common stock
purchase warrant, representing the Warrant, previously delivered to the Assignor
in connection with the  Subscription  Agreement (the "June Warrant" and together
with the June Stock Certificate,  the "June Securities"),  and (iii) the Company
shall  deliver to the Escrow Agent (w) stock  certificate(s)  registered  in the
name of the Assignee  reflecting  the ownership of 15,000 Shares by the Assignee
(the "Assignee March Stock  Certificate"),  (x) a common stock purchase  warrant
registered in the name of the Assignee,  in the form of the Warrant,  to acquire
21,428  shares of Common  Stock,  which,  except as  otherwise  set forth in the
Assignment Agreement, shall contain the same terms as the Warrant (the "Assignee
March  Warrant" and  together  with the Assignee  March Stock  Certificate,  the
"Assignee March  Securities") and (y) a common stock purchase warrant registered
in the name of the  Assignor,  in the form of the  Warrant,  to acquire  35,714,
shares of Common Stock,  which,  except as otherwise set forth in the Assignment
Agreement,  shall  contain the same terms as the Warrant  (the  "Assignor  March
Securities").

                                       -1-

<PAGE>


                  (b) The Assignor shall also deliver to the Escrow Agent wiring
instructions  for  transfer of the  Purchase  Price by the Escrow  Agent into an
account  specified by the Assignor for such purpose.  In addition,  the Company,
the  Assignee  and the  Assignor  shall  deposit with the Escrow Agent all other
certificates  and  documents  required  under  the  Assignment  Agreement  to be
delivered by them at the Closing (such  certificates  and other  documents being
hereinafter referred to as the "Ancillary Closing Documents").

                           (i)      The Purchase Price shall be delivered by the
Assignee to the Escrow Agent by wire transfer to the following account:

                                    Citibank, N.A.
                                    153 East 53rd Street
                                    New York, NY 10043
                                    ABA No.:  021-000-089
                                    For the Account of
                                    Robinson Silverman Pearce Aronsohn
                                      & Berman LLP
                                    Attorney Trust Account
                                    Account No.:  37-204-162
                                    Reference:  11161-7

                           (ii)     The Assignor March Securities,  the Assignee
March Securities,  the June Securities and the Ancillary Closing  Documents,  if
any, shall be delivered to the Escrow Agent at its address for notice  indicated
in Section 5(a).

                  (c)  Until  termination  of  this  Agreement,  any  additional
Consideration to be paid or delivered pursuant to the Assignment Agreement shall
be deposited with the Escrow Agent.

                  (d) The Assignee and the Assignor understand that all monetary
Consideration  delivered to the Escrow Agent pursuant to this Agreement shall be
held in escrow in the Escrow Agent's  interest bearing business account until it
is released in accordance with this Agreement.

                  (e)      At the Closing:

                           (i)      the  Purchase  Price shall be reduced by all
wire transfer fees incurred thereupon; and

                           (ii)     the  Company  shall pay to the Escrow  Agent
one half (1/2) of the Assignee's legal fees, up to a maximum of $5,000, pursuant
to Section 5(c) of the Assignment Agreement.

                                       -2-

<PAGE>



         2.       Terms of Escrow.

                  (a) The Escrow Agent shall  continue to follow the  provisions
of this  Agreement  until  the  earlier  to occur of (i) the date of the  Escrow
Agent's receipt of the New Registration Statement as filed with the SEC, or (ii)
the  earlier to occur of (x) the  exercise  by the  Assignee  of the  Assignee's
Termination  Right, or (y) the date on which the Escrow Agent receives a written
notice, executed by the Company, the Assignor and the Assignee, stating that the
Assignment  Agreement  has been  terminated  in  accordance  with its  terms and
instructing  the Escrow Agent with respect to the Purchase  Price,  the Assignee
March  Securities,  the Assignor March  Securities,  the June Securities and the
Ancillary Closing Documents, if any.

                  (b) If the  Escrow  Agent  receives  the items  referenced  in
clause (i) of  Section  2(a) prior to its  receipt of the notice  referenced  in
clause (ii) of Section 2(a), then, promptly  thereafter,  the Escrow Agent shall
deliver (i) to the  Assignee  the (x)  Assignee  March  Securities,  and (y) any
interest  earned on account of the  Purchase  Price that shall have accrued from
the date hereof through the date of the Closing,  (ii) to the Assignor,  (x) the
Purchase Price (net of amounts  described  under Section  l(e)(i)),  and (y) the
Assignor March Securities,  (iii) to the Company, the June Securities,  and (iv)
to the appropriate party, the Ancillary Closing Documents.

                  (c) If the Escrow  Agent  receives  the notice  referenced  in
clause  (ii) of Section  2(a) prior to its  receipt of the items  referenced  in
clause (i) of Section 2(a), then the Escrow Agent shall promptly upon receipt of
such notice return (i) the Purchase  Price  (together  with any interest  earned
thereon  through such date) to the  Assignee,  (ii) the June  Securities  to the
Assignor,  (iii) the Assignor March Securities and the Assignee March Securities
to the  Company,  and (iv) any  Ancillary  Closing  Documents  to the party that
delivered the same.

                  (d) If the Escrow Agent,  prior to delivering or causing to be
delivered  the  Consideration  in  accordance   herewith,   receives  notice  of
objection,  dispute, or other assertion in accordance with any of the provisions
of this  Agreement,  the Escrow Agent shall  continue to hold the  Consideration
until such time as the Escrow  Agent  shall  receive  (i)  written  instructions
jointly  executed by the  Assignor,  the  Assignee  and the  Company,  directing
distribution  of such  Consideration,  or (ii) a  certified  copy of a judgment,
order or decree of a court of competent jurisdiction,  final beyond the right of
appeal, directing the Escrow Agent to distribute said Consideration to any party
hereto or as such judgment,  order or decree shall otherwise specify  (including
any such order directing the Escrow Agent to deposit the Consideration  into the
court rendering such order, pending  determination of any dispute between any of
the parties). In addition,  the Escrow Agent shall have the right to deposit any
of the Consideration with a court of competent  jurisdiction pursuant to Section
1006 of the New York Civil Practice Law and Rules without liability to any party
if said dispute is not resolved  within 30 days of receipt of any such notice of
objection, dispute or otherwise.

                                       -3-

<PAGE>


         3.       Duties and Obligations of the Escrow Agent.

                  (a) The parties  hereto agree that the duties and  obligations
of the Escrow  Agent are only such as are herein  specifically  provided  and no
other.  The Escrow Agent's duties are as a depositary only, and the Escrow Agent
shall incur no liability  whatsoever,  except as a direct  result of its willful
misconduct.

                  (b) The Escrow  Agent may consult  with counsel of its choice,
and shall not be liable  for any  action  taken,  suffered  or  omitted by it in
accordance with the advice of such counsel.

                  (c) The  Escrow  Agent  shall  not be  bound in any way by the
terms of any other agreement to which the Company, the Assignee and the Assignor
are parties, whether or not it has knowledge thereof, and the Escrow Agent shall
not in any way be required to determine  whether or not any other  agreement has
been complied with by the Company,  the Assignee and the Assignor,  or any other
party  thereto.  The  Escrow  Agent  shall  not be  bound  by any  modification,
amendment,  termination,   cancellation,  rescission  or  supersession  of  this
Agreement unless the same shall be in writing and signed by each of the Company,
the Assignee and the Assignor, and agreed to in writing by the Escrow Agent.

                  (d) In the event that the Escrow  Agent shall be  uncertain as
to its  duties or rights  hereunder  or shall  receive  instructions,  claims or
demands  which,  in its opinion,  are in conflict with any of the  provisions of
this  Agreement,  it shall be entitled to refrain from taking any action,  other
than to keep  safely  all  Consideration  then  held in  escrow,  until it shall
jointly be directed  otherwise in writing by the Assignee and the Assignor or by
a final judgment of a court of competent jurisdiction.

                  (e) The Escrow Agent shall be fully  protected in relying upon
any written  notice,  demand,  certificate  or document which it, in good faith,
believes  to be  genuine.  The Escrow  Agent  shall not be  responsible  for the
sufficiency  or accuracy of the form,  execution,  validity  or  genuineness  of
documents  or  securities  now  or  hereafter  deposited  hereunder,  or of  any
endorsement  thereon,  or for  any  lack  of  endorsement  thereon,  or for  any
description  therein; nor shall the Escrow Agent be responsible or liable in any
respect on account of the identity, authority or rights of the persons executing
or delivering or purporting to execute or deliver any such document, security or
endorsement.

                  (f) The Escrow Agent shall not be required to institute  legal
proceedings  of any  kind  and  shall  not  be  required  to  defend  any  legal
proceedings   which  may  be  instituted   against  it  or  in  respect  of  the
Consideration.

                  (g) If the Escrow Agent at any time,  in its sole  discretion,
deems it necessary or advisable to relinquish  custody of the Consideration then
held by it,  it may do so by  delivering  the  same to any  other  escrow  agent
mutually agreeable to the Assignee and the Assignor and, if no such escrow agent
shall be selected  within three days of the Escrow Agent's  notification  to the
Assignee  and  the  Assignor  of its  desire  to so  relinquish  custody  of the
Consideration  then held by it,  then the Escrow  Agent may do so by  delivering
such Consideration (a) to any bank or trust company in the

                                       -4-

<PAGE>


Borough  of  Manhattan,  City and State of New York,  which is willing to act as
escrow agent  thereunder in place and instead of the Escrow Agent, or (b) to the
clerk or other  proper  officer of a court of competent  jurisdiction  as may be
permitted by law within the State,  County and City of New York.  The fee of any
such bank or trust company or court officer shall be borne by the Assignor. Upon
such  delivery,   the  Escrow  Agent  shall  be  discharged  from  any  and  all
responsibility  or liability with respect to the  Consideration and the Assignor
shall  promptly  pay to the Escrow Agent all monies which may be owed it for its
services  hereunder,  including,  but  not  limited  to,  reimbursement  of  its
out-of-pocket expenses pursuant to paragraph (i) below.

                  (h) This Agreement  shall not create any fiduciary duty on the
Escrow Agent's part to the Company, the Assignee or the Assignor, nor disqualify
the Escrow Agent from  representing  either party hereto in any dispute with the
other, including any dispute with respect to the Consideration.  The Company and
the  Assignor  understand  that  RSPA&B  has acted and will  continue  to act as
counsel to Assignor.

                  (i) The reasonable  out-of-pocket expenses paid or incurred by
the Escrow Agent in the administration of its duties hereunder,  including,  but
not  limited to, all counsel  and  advisors'  and agents'  fees and all taxes or
other governmental charges, if any, shall be paid by the Assignor.

         4. Indemnification. The Company, the Assignee and the Assignor, jointly
and  severally,  hereby  indemnify  and hold the Escrow Agent  harmless from and
against any and all losses, damages, taxes, liabilities and expenses that may be
incurred,  directly or  indirectly,  by the Escrow  Agent,  arising out of or in
connection  with its  acceptance of  appointment  as the Escrow Agent  hereunder
and/or the performance of its duties pursuant to this Agreement,  including, but
not  limited  to, all legal  costs and  expenses  of the Escrow  Agent  incurred
defending  itself  against  any  claim  or  liability  in  connection  with  its
performance  hereunder  and the costs of  recovery  of amounts  pursuant to this
Section 4.

         5.       Miscellaneous.

                  (a) All notices,  requests,  demands and other  communications
hereunder  shall  be  made in  accordance  with  the  notice  provisions  of the
Assignment  Agreement at the addresses set forth therein.  Notices to the Escrow
Agent shall be sent to the following address:

                           Robinson Silverman Pearce Aronsohn & Berman LLP
                           1290 Avenue of the Americas
                           New York, New York 10104
                           Facsimile No.:  (212) 541-4630
                           Attention:  Eric L. Cohen, Esq. and
                           Alexandre T. Speaker, Esq.

                  (b)  This  Agreement   shall  be  construed  and  enforced  in
accordance with the law of the State of New York applicable to contracts entered
into and performed entirely within New York.

                                       -5-

<PAGE>


                  (c)  This   Agreement   may  be   executed   in  two  or  more
counterparts,  all of which when taken  together shall be considered one and the
same agreement and shall become effective when  counterparts have been signed by
each party and  delivered  to the other  party,  it being  understood  that both
parties need not sign the same  counterpart.  In the event that any signature is
delivered by facsimile  transmission,  such  signature  shall create a valid and
binding  obligation of the party executing (or on whose behalf such signature is
executed) the same with the same force and effect as if such facsimile signature
page were an original thereof.

                  [REMAINDER OF PAGE INTENTIONALLY LEFT BLANK]
                            [SIGNATURE PAGE FOLLOWS]

                                       -6-

<PAGE>


         IN  WITNESS  WHEREOF,  the  parties  hereto  have  caused  this  Escrow
Agreement to be signed the day and year first above written.

                                                     SIGMA DESIGNS, INC.



                                       By:______________________________________

                                      Name:_____________________________________

                                     Title:_____________________________________

                                                     BANQUE EDOUARD CONSTANT



                                       By:______________________________________

                                      Name:_____________________________________

                                     Title:_____________________________________


                                                     KA INVESTMENTS LDC



                                       By:______________________________________

                                      Name:_____________________________________

                                     Title:_____________________________________


                                                     ROBINSON SILVERMAN PEARCE
                                                       ARONSOHN & BERMAN LLP


                                       By:______________________________________
                                                   A Member of the Firm

                                       -7-






                                                                     EXHIBIT 5.1



                                 March 15, 1998


Sigma Designs, Inc.
46501 Landing Parkway
Fremont, CA  94538

         RE:      SIGMA DESIGNS, INC. REGISTRATION STATEMENT ON FORM S-3

Ladies and Gentlemen:

         We have examined the Registration  Statement on Form S-3 to be filed by
you  with  the  Securities  and  Exchange  Commission  on March  15,  1998  (the
"Registration  Statement"),  in  connection  with  the  registration  under  the
Securities Act of 1933, as amended,  of 900,000 shares of your Common Stock,  no
par value (the "Shares"),  all of which are authorized and will be issued to the
selling  shareholder   identified in the  Registration  Statement  (the "Selling
Shareholder").  The  Shares are to be offered by the  Selling  Shareholder   for
sale to the public as described in the Registration  Statement.  As your counsel
in connection with this transaction,  we have examined the proceedings taken and
proposed to be taken in connection with the sale of the Shares.

         It is our opinion that, upon completion of the proceedings  being taken
or contemplated to be taken prior to the  registration of the Shares,  including
such proceedings to be carried out in accordance with the securities laws of the
various states, where required,  the Shares, when sold in the manner referred to
in the Registration  Statement,  will be legally and validly issued,  fully paid
and nonassessable.

         We consent to the use of this opinion as an exhibit to the Registration
Statement,  and further consent to the use of our name wherever appearing in the
Registration  Statement,  including the Prospectus  constituting a part thereof,
and any amendment thereto.

                                            Very truly yours,

                                            WILSON SONSINI GOODRICH & ROSATI
                                            Professional Corporation


                                            /s/ WILSON SONSINI GOODRICH & ROSATI




                                                                    Exhibit 23.1


                          INDEPENDENT AUDITORS' CONSENT


         We consent  to the  incorporation  by  reference  in this  Registration
Statement of Sigma  Designs,  Inc. on Form S-3 of our report dated  February 28,
1997, appearing in the Annual Report on Form 10-K of Sigma Designs, Inc. for the
year  ended  January  31,  1997 and to the  reference  to us under  the  heading
"Experts" in the Prospectus, which is part of this Registration Statement.


DELOITTE & TOUCHE LLP
San Jose, California
March 11, 1998



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