Document:

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                                                                    EXHIBIT 10.1

[BANK ONE LOGO]

AMENDMENT TO CREDIT AGREEMENT DATED OCTOBER 3. 2002 BETWEEN THE COMPANY AND BANK
ONE, NA

This agreement is made and entered into on September 27, 2002, to be effective
as of September 27, 2002 by and between Teraforce Technology Corporation (if
more than one, jointly and severally, the "Borrower") and Bank One, NA, with its
main office in Chicago, IL (the "Bank"), and its successors and assigns.

WHEREAS, the Borrower and the Bank entered into a Business Loan Agreement June
1, 2001, as amended (if applicable) (the "Credit Agreement"); and

WHEREAS, the Borrower has requested and the Bank has agreed to amend the Credit
Agreement as set forth below;

NOW, THEREFORE, in mutual consideration of the agreements contained herein and
for other good and valuable consideration, the parties agree as follows:

1.   DEFINED TERMS. Capitalized terms not defined herein shall have the meaning
     ascribed in the Credit Agreement.

2.   MODIFICATION OF CREDIT AGREEMENT. The Credit Agreement is hereby amended as
     follows:

     2.1  From and after the Effective Date, the following provision in the
          Credit Agreement captioned "Note" under the Section "DEFINITIONS" is
          hereby amended and restated to read as follows;

          NOTE. The word "Note" means the promissory note of even date herewith
          which evidences Borrower's $2,700,000.00 loan in favor of Lender, as
          well as any amendment, modification, renewal or replacement thereof.

3.   RATIFICATION. The Borrower ratifies and reaffirms the Credit Agreement and
     the Credit Agreement shall remain in full force and effect as modified
     herein.

4.   BORROWER REPRESENTATIONS AND WARRANTIES. The Borrower represents and
     warrants that (a) the representations and warranties contained in the
     Credit Agreement are true and correct in all material respects as of the
     date of this agreement, (b) no condition, act or event which could
     constitute an event of default under the Credit Agreement or any promissory
     note or credit facility executed in reference to the Credit Agreement
     exists, and (c) no condition, event, act or omission has occurred, which,
     with the giving of notice or passage of time, would constitute an event of
     default under the Credit Agreement or any promissory note or credit
     facility executed in reference to the Credit Agreement.

5.   FEES AND EXPENSES. The Borrower agrees to pay all fees and out-of-pocket
     disbursements incurred by the Bank in connection with this agreement,
     including legal fees incurred by the Bank in the preparation, consummation,
     administration and enforcement of this agreement.

6.   EXECUTION AND DELIVERY. This agreement shall become effective only after it
     is fully executed by the Borrower and the Bank.

7.   ACKNOWLEDGEMENTS OF BORROWER. The Borrower acknowledges that as of the date
     of this agreement it has no offsets with respect to all amounts owed by the
     Borrower to the Bank arising under or related to the Credit Agreement on or
     prior to the date of this agreement. The Borrower fully, finally and
     forever releases and discharges the Bank and its successors, assigns,
     directors, officers, employees, agents and representatives from any and all
     claims, causes of action, debts and liabilities, of whatever kind or
     nature, in law or in equity, of the Borrower, whether now known or unknown
     to the Borrower, which may have arisen in connection with the Credit
     Agreement or the actions or omissions of the Bank related to the Credit
     Agreement on or prior to the date hereof. The Borrower acknowledges and
     agrees that this agreement is limited to the terms outlined above, and
     shall not be construed as an agreement to change any other terms or
     provisions of the Credit Agreement. This agreement shall not establish a
     course of dealing or be construed as evidence of any willingness on the
     Bank's part to grant other or future agreements, should any be requested.

                 [THIS SPACE HAS BEEN INTENTIONALLY LEFT BLANK]
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8.  NOT A NOVATION. This agreement is a modification only and not a novation.
Except for the above-quoted modification(s), the Credit Agreement, any loan
agreements, credit agreements, reimbursement agreements, security agreements,
mortgages, deeds of trust, pledge agreements, assignments, guaranties,
instruments or documents executed in connection with the Credit Agreement, and
all the terms and conditions thereof, shall be and remain in full force and
effect with the changes herein deemed to be incorporated therein. This
agreement is to be considered attached to the Credit Agreement and made a part
thereof. This agreement shall not release or affect the liability of any
guarantor of any promissory note or credit facility executed in reference to
the Credit Agreement or release any owner of collateral granted as security for
the Credit Agreement. The validity, priority and enforceability of the Credit
Agreement shall not be impaired hereby. To the extent that any provision of
this agreement conflicts with any term or condition set forth in the Credit
Agreement, or any document executed in conjunction therewith, the provisions of
this agreement shall supersede and control. The Bank expressly reserves all
rights against all parties to the Credit Agreement.

Executed by the parties as of: September 27, 2002

<Table>
<S>                                                        <C>
BANK:                                                      BORROWER:

Bank One, NA, with its main office in Chicago, IL          Teraforce Technology Corporation

By:                BRADLEY C. PETERS                       By:                ROBERT P. CAPPS
    ---------------------------------------------              ---------------------------------------------

    Bradley C. Peters              Vice President              Robert P. Capps           EVP
    ---------------------------------------------              ---------------------------------------------
    Printed Name                            Title              Authorized Signer                       Title
</Table><PAGE>
                                                                     EXHIBIT 4.6

            FIRST AMENDED AND RESTATED REGISTRATION RIGHTS AGREEMENT

THIS FIRST AMENDED AND RESTATED REGISTRATION RIGHTS AGREEMENT (this "Agreement")
is made as of the 21ST day of March, 2002 by and among ScanSoft, Inc., a
Delaware corporation (the "Company"), on the one hand, and Lernout & Hauspie
Speech Products N.V., a corporation organized and existing under the laws of the
Kingdom of Belgium ("L&H"), L&H Holdings USA, a Delaware corporation that is a
wholly-owned subsidiary of L&H ("Holdings"), and the other corporations listed
on Annex A to this Agreement, on the other hand (L&H, Holdings, and the other
corporations listed on Annex A to this Agreement are each individually referred
to herein as a "Seller" and collectively as the "Sellers"). The Company and the
Sellers are referred to collectively herein as the "Parties."

WHEREAS, the Company and the Sellers entered into an Asset Purchase Agreement
(the "Lots 1-3 Asset Purchase Agreement") dated as of December 7, 2001, whereby
the Sellers received shares (the "2001 Shares") of Company common stock, $0.001
par value (the "Common Stock"), and in connection therewith, the Company and the
Sellers entered into a Registration Rights Agreement (the "Registration Rights
Agreement") dated as of December 12, 2001; and

WHEREAS, the Company and Holdings have entered into a second Asset Purchase
Agreement (the "Audiomining Asset Purchase Agreement") dated as of February 22,
2002, whereby Holdings will receive additional shares of Company Common Stock
(the "2002 Shares"); and

WHEREAS the Company and the Sellers are amending and restating the Registration
Rights Agreement for the sole purpose of confirming that the 2002 Shares
received by Holdings pursuant to the Audiomining Asset Purchase Agreement are
included in and subject to the Registration Rights Agreement;

NOW THEREFORE, THE PARTIES HEREBY AGREE AS FOLLOWS:

1. Registration Rights.

1.1 Definitions.

(a) The term "Commission" means the Securities and Exchange Commission or any
other federal agency at the time administering the Securities Act.

(b) The term "Exchange Act" means the Securities Exchange Act of 1934, as
amended, or any similar successor federal statute and the rules and regulations
thereunder, all as the same shall be in effect from time to time.
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(c) The term "Holder" means the Sellers, as a holder of Registrable Securities,
and any holder of Registrable Securities to whom the registration rights
conferred by this Agreement have been transferred in accordance with Section 1.8
hereof;

(d) The terms "register," "registered" and "registration" refer to a
registration effected by preparing and filing a registration statement or
similar document in compliance with the Securities Act, and the declaration or
ordering of effectiveness of such registration statement or document by the
Commission.

(e) The term "Registrable Securities" means the Shares; provided, however, that
any Shares or other securities referred to above that have been sold to the
public pursuant to a registered public offering or Rule 144 under the Securities
Act shall cease to be Registrable Securities.

(f) The term "Securities Act" means the Securities Act of 1933, as amended, or
any similar successor federal statute and the rules and regulations thereunder,
all as the same shall be in effect from time to time.

(g) The term "Shares" means the 2001 Shares and the 2002 Shares.

1.2 Request for Registration.

(a) If the Company shall receive a written request from the Holders of at least
50% of the Registrable Securities then outstanding that the Company file a
registration statement under the Securities Act covering the registration of at
least 50% of the Registrable Securities then outstanding (as such number may be
appropriately adjusted for stock splits, combinations, and the like) or such
lesser amount of shares as shall constitute all of the Registrable Securities
then outstanding, then the Company shall, subject to the limitations of
subsection 1.2(b), use all reasonable commercial efforts to effect as soon as
practicable the registration under the Securities Act of all Registrable
Securities that the Holders request to be registered within 20 days of the
mailing of such notice by the Company in accordance with Section 2.2. The
Parties acknowledge that the rights of the holders under Section 1.3 of that
certain Registration Rights agreement dated March 2, 1999 by and between the
Company and Xerox Corporation shall be applicable to a registration effected
pursuant to this Section 1.2.

(b) If the Holders of Registrable Securities initiating the registration request
pursuant to subsection 1.2(a) ("Initiating Holders") intend to distribute the
Registrable Securities covered by their request by means of an underwriting,
they shall so advise the Company as a part of their request made pursuant to
this Section 1.2 and the Company shall include such information in the written
notice referred to in subsection 1.2(a). The underwriter or underwriters shall
be selected by a majority in interest of the Initiating Holders and shall be
reasonably acceptable to the Company. In such event, the right of any such
Holder to include such Holder's Registrable Securities in such registration
shall be conditioned upon such Holder's participation in such underwriting and
the inclusion of such Holder's Registrable Securities in the underwriting
(unless otherwise mutually agreed by a majority in interest of the Initiating
Holders and such Holder) to the extent provided

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herein. All Holders proposing to distribute their securities through such
underwriting shall (together with the Company as provided in Section 1.4(e))
enter into an underwriting agreement in customary form with the underwriter or
underwriters selected for such underwriting. Notwithstanding any other provision
of this Section 1.2, if the underwriter advises the Initiating Holders in
writing that marketing factors require a limitation of the number of shares to
be underwritten, then the Initiating Holders shall so advise all Holders of
Registrable Securities that would otherwise be underwritten pursuant hereto, and
the number of shares of Registrable Securities that may be included in the
underwriting shall be allocated among all Holders thereof, including the
Initiating Holders, in proportion (as nearly as practicable) to the amount of
Registrable Securities owned by each Holder; provided, however, that the number
of shares of Registrable Securities to be included in such underwriting shall
not be reduced unless all other securities are first entirely excluded from the
underwriting.

(c) If the Company is qualified to use Form S-3 (or any comparable successor
form or forms) at the time any registration statement is to be filed pursuant to
this Section 1.2, such registration statement shall be filed on Form S-3. If the
Company is not qualified to use Form S-3 at the time any registration statement
is to be filed pursuant to this Section 1.2, such registration statement shall
be filed on Form S-1 (or any comparable successor form or forms).

(d) Notwithstanding the foregoing, if the Company shall furnish to the
Initiating Holders a certificate signed by the President of the Company stating
that in the good faith judgment of the Board of Directors of the Company it
would be seriously detrimental to the Company for such registration statement to
be filed and it is therefore essential to defer the filing of such registration
statement, the Company shall have the right to defer such filing for a period of
not more than 60 days after receipt of the request of the Initiating Holders
(or, if the Company is engaged or has fixed plans to engage in a registered
public offering as to which the Holders may include Registrable Securities
pursuant to Section 1.3, not more than 180 days after the effective date of such
offering); provided, however, that the Company may not utilize this right more
than once in any 12-month period.

1.3 Obligations of the Company.

Whenever required under this Section 1 to effect the registration of any
Registrable Securities, the Company shall, as expeditiously as reasonably
possible:

(a) Prepare and file with the Commission a registration statement with respect
to such Registrable Securities and use all reasonable efforts to cause such
registration statement to become effective, and, upon the request of the Holders
of a majority of the Registrable Securities registered thereunder, keep such
registration statement effective ("Effectiveness Period") until the earliest of
(i) the date that is eighteen (18) months after the Initiating Holders have
notified the Company that they are demanding a registration pursuant to Section
1.2 hereof; (ii) the two year anniversary of the date of Asset Purchase
Agreement and (iii) the date on which the distribution contemplated by the
registration statement has been completed. In the event that, in the judgment of
the Company, it is advisable to

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suspend use of the prospectus relating to such registration statement for a
discrete period of time (a "Deferral Period") due to pending material corporate
developments or similar material events that have not yet been publicly
disclosed and as to which the Company believes public disclosure will be
prejudicial to the Company, the Company shall deliver a certified resolution of
the Board of Directors of the Company, signed by a duly authorized officer of
the Company, to each Holder, to the effect of the foregoing and, upon receipt of
such certificate, such Holders agree not to dispose of such Holders' Registrable
Securities covered by such registration or prospectus (other than in
transactions exempt from the registration requirements under the Securities
Act); provided, however, that such Deferral Period shall be no longer than 75
days. The Effectiveness Period shall be extended for a period of time equal to
such Deferral Period.

(b) Prepare and file with the Commission such amendments and supplements to such
registration statement and the prospectus used in connection with such
registration statement as may be necessary to comply with the provisions of the
Securities Act with respect to the disposition of all securities covered by such
registration statement.

(c) Furnish to the Holders of the Registrable Securities covered by such
registration statement such numbers of copies of a prospectus, including a
preliminary prospectus, and any amendment or supplement thereto and a reasonable
number of copies of the then-effective registration statement and any
post-effective amendment thereto, all in conformity with the requirements of the
Securities Act, and such other documents as they may reasonably request in order
to facilitate the disposition of such Registrable Securities.

(d) Use all reasonable commercial efforts to register and qualify the securities
covered by such registration statement under such other securities or Blue Sky
laws of such jurisdictions as shall be reasonably requested by the Holders
thereof; provided that the Company shall not be required in connection therewith
or as a condition thereto to qualify to do business or to file a general consent
to service of process in any such states or jurisdictions.

(e) In the event of any underwritten public offering, enter into and perform its
obligations under an underwriting agreement, in usual and customary form, with
the managing underwriter of such offering. Each Holder participating in such
underwriting shall also enter into and perform its obligations under such an
agreement.

(f) Notify each Holder of Registrable Securities covered by such registration
statement, at any time when a prospectus relating thereto is required to be
delivered under the Securities Act, of the happening of any event as a result of
which the prospectus included in such registration statement, as then in effect,
includes an untrue statement of a material fact or omits to state a material
fact required to be stated therein or necessary to make the statements therein,
in the light of the circumstances under which they were made, not misleading,
and at the request of any such Holder prepare and furnish to such Holder a
reasonable number of copies of a supplement or an amendment to such prospectus
as may be necessary so that, as thereafter delivered to the purchasers of such
Registrable Securities, such prospectus shall not include an untrue statement of
a material fact or omit

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to state a material fact required to be stated therein or necessary to make the
statements therein not misleading in the light of the circumstances then
existing.

(g) Furnish, at the request of any Holder requesting registration of Registrable
Securities pursuant to this Section 1, on the date that such Registrable
Securities are delivered to the underwriters for sale in connection with a
registration pursuant to this Section 1, if such securities are being sold
through underwriters, or, if such securities are not being sold through
underwriters, on the date that the registration statement with respect to such
securities becomes effective, (i) an opinion, dated such date, of the counsel
representing the Company for the purposes of such registration, in form and
substance as is customarily given to underwriters in an underwritten public
offering, addressed to the underwriters, if any, and to the Holders requesting
registration of Registrable Securities and (ii) in the case of an underwritten
public offering a letter dated such date, from the independent certified public
accountants of the Company, in form and substance as is customarily given by
independent certified public accountants to underwriters in an underwritten
public offering, addressed to the underwriters.

(h) Cause all Registrable Securities covered by the registration statement to be
listed on each securities exchange or automated quotation system on which shares
of Common Stock are then listed. If any of such shares are not so listed, the
Company shall cause such shares to be listed on the securities exchange or
automated quotation system as may be reasonably requested by the Holders of a
majority of the Registrable Securities being registered.

(i) Permit a single firm of counsel designated as selling stockholders' counsel
by the holders of a majority in interest of the Registrable Securities to
review, at the Holders' expense, the registration statement and all amendments
and supplements thereto a reasonable period of time prior to their filing with
the Commission and state authorities, and shall not file any document in a form
to which such counsel reasonably objects.

(j) Cause the Company's officers, directors and independent certified public
accountants to supply all information reasonably requested by a representative
of any Holder of Registrable Securities, and any attorney or accountant retained
by such Holder, in connection with such registration; provided, however, that
such representatives, attorneys or accountants of the Holders enter into a
confidentiality agreement, in form and substance reasonably satisfactory to the
Company, prior to the release or disclosure of any such information.

1.4 Obligations of the Holders.

(a) It shall be a condition precedent to the obligations of the Company to take
any action pursuant to this Agreement that the selling Holders shall furnish to
the Company such information regarding themselves, the Registrable Securities
held by them, and the intended method of disposition of such securities as shall
be required to effect the registration of the Registrable Securities. The
Company shall have no obligation with respect to any registration requested
pursuant to Section 1.2 of this Agreement if the number of shares of Registrable
Securities to be included in the requested registration

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does not equal or exceed the number of shares required to trigger the Company's
obligation to initiate such registration as specified in subsection 1.2(a)
above.

(b) Upon the receipt by a Holder of any notice from the Company of (i) the
existence of any fact or the happening of any event as a result of which the
prospectus included in a registration statement filed pursuant to the terms
hereof, as such registration statement is then in effect, includes an untrue
statement of a material fact or omits to state a material fact required to be
stated therein or necessary to make the statements therein, in the light of the
circumstances under which they were made, not misleading, (ii) the issuance by
the Commission of any stop order or injunction suspending or enjoining the use
or the effectiveness of such registration statement or the initiation of any
proceedings for that purpose, or the taking of any similar action by the
securities regulators of any state or other jurisdiction, or (iii) the request
by the Commission or any other federal or state governmental agency for
amendments or supplements to such registration statement or related prospectus
or for additional information related thereto, such Holder shall forthwith
discontinue disposition of such Holder's Registrable Securities covered by such
registration or prospectus (other than in transactions exempt from the
registration requirements under the Securities Act) until such Holder's receipt
of the supplemented or amended prospectus or until such Holder is advised in
writing by the Company that the use of the applicable prospectus may be resumed.
In such a case, the Effectiveness Period shall be extended by the number of days
from and including the date of the giving of such notice to and including the
date when each Holder shall have received a copy of the supplemented or amended
prospectus or when such Holder is advised in writing by the Company that the use
of the applicable prospectus may be resumed. The Company shall use all
reasonable commercial efforts to limit the duration of any discontinuance of
disposition of Registrable Securities pursuant to this section.

1.5 Expenses.

(a) Except as set forth herein, the Company shall bear and pay all expenses
incurred in connection with any registration, filing or qualification of
Registrable Securities with respect to the registrations pursuant to Section
1.2, including (without limitation) all registration, filing and qualification
fees, printers' and accounting fees relating or apportionable thereto, fees and
disbursements of counsel for the Company, blue sky fees and expenses, including
fees and disbursements of counsel related to all blue sky matters, fees and
expenses of listing any Registrable Securities on any securities exchange or
automated quotation system on which shares of Common Stock are then listed, the
expenses of providing materials pursuant to Section 1.4 hereof, but excluding
stock transfer taxes that may be payable by the selling Holders, and all
underwriting discounts and commissions relating to Registrable Securities
covered by such registration, which shall be borne by the Holders.

(b) Notwithstanding subsection 1.5(a), the Company shall not be required to pay
for any expenses of any registration proceeding begun pursuant to Section 1.2 if
the registration request is subsequently withdrawn at the request of the Holders
of a majority of the Registrable Securities to be registered (in which case all
participating Holders shall bear such expenses); provided, however, that if such
withdrawal occurs prior to the date the

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registration statement shall have become effective and as of the time of such
withdrawal, such Holders have learned of a material adverse change in the
business, properties, results of operations or financial condition of the
Company from that known to such Holders at the time of their request and have
withdrawn the request with reasonable promptness following disclosure by the
Company of such material adverse change, then the Holders shall not be required
to pay any of such expenses and shall retain their rights pursuant to Section
1.2.

1.6 Delay of Registration. No Holder shall have any right to obtain or seek an
injunction restraining or otherwise delaying any such registration as the result
of any controversy that might arise with respect to the interpretation or
implementation of this Section 1.

1.7 Indemnification.

In the event any Registrable Securities are included in a registration statement
under this Section 1:

(a) To the extent permitted by law, the Company will indemnify and hold harmless
each Holder of such Registrable Securities, the officers and directors of each
such Holder, any underwriter (as defined in the Securities Act) for such Holder
and each person, if any, who controls such Holder or underwriter within the
meaning of the Securities Act or the Exchange Act, against any losses, claims,
damages or liabilities (joint or several) to which they may become subject under
the Securities Act, the Exchange Act or other federal or state law, insofar as
such losses, claims, damages or liabilities (or actions in respect thereof)
arise out of or are based upon any of the following statements, omissions or
violations (collectively, a "Violation"): (i) any untrue statement or alleged
untrue statement of a material fact contained in such registration statement,
including any preliminary prospectus or final prospectus contained therein or
any amendments or supplements thereto, (ii) the omission or alleged omission to
state therein a material fact required to be stated therein, or necessary to
make the statements therein not misleading, or (iii) any violation or alleged
violation by the Company of the Securities Act, the Exchange Act, any state
securities law or any rule or regulation promulgated under the Securities Act,
the Exchange Act or any state securities law; and the Company will reimburse
each such Holder, officer or director, underwriter or controlling person for any
legal or other expenses reasonably incurred by them in connection with
investigating or defending any such loss, claim, damage, liability or action;
provided, however, that the indemnity agreement contained in this subsection
1.7(a) shall not apply to amounts paid in settlement of any such loss, claim,
damage, liability or action if such settlement is effected without the consent
of the Company (which consent shall not be unreasonably withheld), nor shall the
Company be liable in any such case for any such loss, claim, damage, liability
or action to the extent that it arises out of or is based upon a Violation that
occurs in reliance upon and in conformity with written information furnished
expressly for use in connection with such registration by any such Holder,
officer, director, underwriter or controlling person.

(b) To the extent permitted by law, each selling Holder will indemnify and hold
harmless the Company, each of its directors, each of its officers who have
signed the registration

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statement, each person, if any, who controls the Company within the meaning of
the Securities Act, any underwriter and any other Holder selling securities in
such registration statement or any of its directors or officers or any person
who controls such Holder, against any losses, claims, damages or liabilities
(joint or several) to which the Company or any such director, officer,
controlling person, or underwriter or controlling person, or other such Holder
or director, officer or controlling person may become subject, under the
Securities Act, the Exchange Act or other federal or state law, insofar as such
losses, claims, damages or liabilities (or actions in respect thereto) arise out
of or are based upon any Violation, in each case to the extent (and only to the
extent) that such Violation occurs in reliance upon and in conformity with
written information furnished by such Holder expressly for use in connection
with such registration; and each such Holder will reimburse any legal or other
expenses reasonably incurred by the Company or any such director, officer,
controlling person, underwriter or controlling person, other Holder, officer,
director, or controlling person in connection with investigating or defending
any such loss, claim, damage, liability, or action; provided, however, that the
indemnity agreement contained in this subsection 1.7(b) shall not apply to
amounts paid in settlement of any such loss, claim, damage, liability or action
if such settlement is effected without the consent of the Holder, which consent
shall not be unreasonably withheld; provided, that, in no event shall any
indemnity under this subsection 1.7(b) exceed the net proceeds from the sale of
the Registrable Securities received by such Holder.

(c) Promptly after receipt by an indemnified party under this Section 1.7 of
notice of the commencement of any action (including any governmental action),
such indemnified party will, if a claim in respect thereof is to be made against
any indemnifying party under this Section 1.7, deliver to the indemnifying party
a written notice of the commencement thereof and the indemnifying party shall
have the right to participate in, and, to the extent the indemnifying party so
desires, jointly with any other indemnifying party similarly noticed, to assume
the defense thereof with counsel mutually satisfactory to the parties; provided,
however, that an indemnified party (together with all other indemnified parties
which may be represented without conflict by one counsel) shall have the right
to retain one separate counsel, with the fees and expenses to be paid by the
indemnifying party, if representation of such indemnified party by the counsel
retained by the indemnifying party would be inappropriate due to actual or
potential differing interests between such indemnified party and any other party
represented by such counsel in such proceeding. The failure to deliver written
notice to the indemnifying party within a reasonable time of the commencement of
any such action, if prejudicial to its ability to defend such action, shall
relieve such indemnifying party of any liability to the indemnified party under
this Section 1.7 to the extent the indemnifying party was actually damaged or
suffered any loss or incurred any additional expense as a result thereof, but
the omission so to deliver written notice to the indemnifying party will not
relieve it of any liability that it may have to any indemnified party otherwise
than under this Section 1.7. An indemnifying party shall not, without the prior
written consent of the indemnified parties, settle, compromise or consent to the
entry of any judgment with respect to any pending or threatened claim, action,
suit or proceeding in respect of which indemnification may be sought hereunder
by such indemnified parties (whether or not the indemnified parties are actual
or potential parties to such claim or action) unless such

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settlement, compromise or consent includes a release of such indemnified party
reasonably acceptable to such indemnified party from all liability arising out
of such claim, action, suit or proceeding.

(d) If the indemnification provided for in this Section 1.7 is held by a court
of competent jurisdiction to be unavailable to an indemnified party with respect
to any loss, liability, claim, damage, or expense referred to therein, then the
indemnifying party, in lieu of indemnifying such indemnified party hereunder,
shall contribute to the amount paid or payable by such indemnified party as a
result of such loss, liability, claim, damage, or expense in such proportion as
is appropriate to reflect the relative fault of the indemnifying party on the
one hand and of the indemnified party on the other in connection with the
statements or omissions that resulted in such loss, liability, claim, damage, or
expense as well as any other relevant equitable considerations. The relative
fault of the indemnifying party and of the indemnified party shall be determined
by reference to, among other things, whether the untrue or alleged untrue
statement of a material fact or the omission to state a material fact relates to
information supplied by the indemnifying party or by the indemnified party and
the parties' relative intent, knowledge, access to information, and opportunity
to correct or prevent such statement or omission.

(e) Notwithstanding the foregoing, to the extent that the provisions on
indemnification and contribution contained in the underwriting agreement entered
into in connection with the underwritten public offering are in conflict with
the foregoing provisions, the provisions in the underwriting agreement shall
control.

(f) The obligations of the Company and Holders under this Section 1.7 shall
survive the completion of any offering of Registrable Securities in a
registration statement under this Section 1, and otherwise.

1.8 Assignment of Registration Rights.

The rights to cause the Company to register Registrable Securities pursuant to
this Section 1 may be transferred or assigned by a Holder, in whole or in part,
without any prior written consent of the Company, to (a) a wholly-owned
subsidiary of the Holder or a successor to substantially all the business or
assets of the Holder or (b) a transferee or assignee of 10% or more of the then
outstanding Registrable Securities; provided that the Company is, within a
reasonable time after such transfer or assignment, furnished with written notice
of the name and address of such transferee or assignee and the securities with
respect to which such registration rights are being transferred or assigned; and
provided, further, that the transferee or assignee of such rights assumes in
writing the obligations of such Holder under this Section 1.

1.9 Reports Under the Exchange Act. With a view to making available to the
Holders the benefits of Rule 144 under the Securities Act and any other rule or
regulation of the Commission that may at any time permit a Holder to sell
securities of the Company to the public without registration, the Company agrees
to:

                                       9
<PAGE>
(a) make and keep public information available, as those terms are understood
and defined in Rule 144, at all times after the date hereof;

(b) file with the Commission in a timely manner all reports and other documents
required of the Company under the Securities Act and the Exchange Act; and

(c) furnish to any Holder, so long as the Holder owns any Registrable
Securities, upon request (i) a written statement by the Company that it has
complied with the reporting requirements of Rule 144, the Securities Act and the
Exchange Act, (ii) a copy of the most recent annual or quarterly report of the
Company and such other reports and documents so filed by the Company and (iii)
such other information as may be reasonably requested in availing any Holder of
any rule or regulation of the Commission which permits the selling of any such
securities without registration.

1.10 RESERVED

1.11 RESERVED

1.12 Subordination. Notwithstanding anything set forth herein, the registration
rights conferred herein are subordinate in all respects to the registration
rights conveyed to Xerox Corporation in that certain Registration Rights
Agreement by and among Visioneer, Inc. and Xerox Corporation dated March 2,
1999, except to the extent the Sellers are Other Holders as defined in that
certain Registration Rights Agreement by and among Visioneer, Inc. and Xerox
Corporation dated March 2, 1999.

2. Miscellaneous.

2.1 Successors and Assigns. Except as otherwise provided herein, the terms and
conditions of this Agreement shall inure to the benefit of and be binding upon
the respective successors and permitted assigns of the parties. Nothing in this
Agreement, express or implied, is intended to confer upon any party other than
the parties hereto or their respective successors and permitted assigns any
rights, remedies, obligations, or liabilities under or by reason of this
Agreement, except as expressly provided in this Agreement.

2.2 Notices. Unless otherwise provided, any notice, request, demand or other
communication required or permitted under this Agreement shall be given in
writing and shall be deemed effectively given upon personal delivery to the
party to be notified, or when sent by telecopier (with receipt confirmed and
promptly confirmed by personal delivery, U.S. first class mail, or courier), or
overnight courier service, or upon deposit with the United States Post Office,
by registered or certified mail, postage prepaid and addressed as follows (or at
such other address as a party may designate by notice to the other):

If to the Company:         ScanSoft, Inc.
                           9 Centennial Drive
                           Peabody, MA  01962
                           Attention: Chief Financial Officer
                           Facsimile: 978-977-2436

                                       10
<PAGE>
with a copy to:            Hill & Barlow, P.C.
                           One International Place
                           Boston, MA  02110
                           Attention:  Charles R. Dougherty, Esq.
                           Telephone:  (617) 428-3341
                           Fax:  (617) 428-3500

If to the Seller:          Lernout & Hauspie Speech Products N.V.
                           J. M. Vanstaen -- Curator
                           Nieuwstraat 23
                           B-8940 Wervik -- Belgium
                           Telephone: 011-32-56-31-14-06
                           Fax: 011-32-56-31-40-62

with a copy to:            Milbank, Tweed, Hadley & McCloy LLP
                           One Chase Manhattan Plaza
                           New York, New York 10005
                           Attn: Luc A. Despins, Esq.
                           Telephone: (212) 530-5000
                           Fax: (212) 822-5219

2.3 Severability. If one or more provisions of this Agreement are held to be
unenforceable, invalid or void by a court of competent jurisdiction, such
provision shall be excluded from this Agreement and the balance of this
Agreement shall be interpreted as if such provision were so excluded and shall
be enforceable in accordance with its terms.

2.4 Entire Agreement; Amendments.

(a) This Agreement contains the entire understanding of the parties with respect
to the matters covered herein and supersedes all prior agreements and
understandings, written or oral, between the parties relating to the subject
matter hereof.

(b) Any term of this Agreement may be amended and the observance of any term of
this Agreement may be waived (either generally or in a particular instance and
either retroactively or prospectively), only with the written consent of the
Company and the Holders of a majority of the Registrable Securities then
outstanding. Any amendment or waiver effected in accordance with this paragraph
shall be binding upon each Holder of any Registrable Securities then
outstanding, each future Holder of all such Registrable Securities, and the
Company. No waiver of any default with respect to any provision, condition or
requirement hereof shall be deemed to be a continuing waiver in the future
thereof or a waiver of any other provision, condition or requirement hereof; nor
shall any

                                       11
<PAGE>
delay or omission of either party to exercise any right hereunder in any manner
impair the exercise of any such right accruing to it thereafter.

2.5 Governing Law. This Agreement shall be governed by and construed under the
laws of the State of Delaware (irrespective of its choice of law principles).

2.6 Counterparts. This Agreement may be executed in two or more counterparts,
each of which shall be deemed an original, but all of which together shall
constitute one and the same instrument.

2.7 Titles and Subtitles. The titles and subtitles used in this Agreement are
used for convenience only and are not to be considered in construing or
interpreting this Agreement. Any reference in this Agreement to a statutory
provision or rule or regulation promulgated thereunder shall be deemed to
include any similar successor statutory provision or rule or regulation
promulgated thereunder.

                                       12
<PAGE>
IN WITNESS WHEREOF, the parties have executed this Agreement as of the date
first above written.

ScanSoft, Inc.

By:    ______________________
Name:  Richard Palmer
Title: SVP & Chief Financial Officer

The Sellers

Lernout & Hauspie Speech Products N.V.

By:    ______________________

Name:  ______________________

Title: ______________________

L&H Holdings USA, Inc.

By:    ______________________

Name:  ______________________

Title: ______________________

                                       13
<PAGE>
Interactive Systems, Inc.

By:    ______________________

Name:  ______________________

Title: ______________________

Lernout & Hauspie Speech Products USA, Inc.

By:    ______________________

Name:  ______________________

Title: ______________________

L&H Applications USA, Inc.

By:    ______________________

Name:  ______________________

Title: ______________________

                                       14
<PAGE>
Linguistic Technologies, Inc.

By:    ______________________

Name:  ______________________

Title: ______________________

L&H Japan K.K.

By:    ______________________

Name:  ______________________

Title: ______________________

Lernout & Hauspie Japan Inc.

By:      ____________________

Name:    ____________________

Title:   ____________________

                                       15

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