Document:

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                                                                   Exhibit 10.9

                              EXHIBIT C - PRICING
                              -------------------

This exhibit sets forth a pricing agreement and supercedes Section 5.4(b) of the
`License and Manufacturing Agreement' dated February 20, 1997, between Sonic
Innovations, Inc. and Atmel Corporation, items 8 & 9 of Exhibit A, and Exhibit B
of that agreement.

     1.   Sonic Innovations shall provide a Guaranteed Minimum Revenue (GMR) to
          Atmel by purchasing product over the following timeframe.

                        CY2000       CY2001       CY2002       CY2003
                        ------       ------       ------       ------
               GMR      $900K        $1,800K      $4,500K      $4,500K

     2.   Product shall consist of any mix of Designs agreed to by both parties,
          and listed as `Products' below.

          Products:     [*]          [*]

     3.   Pricing for the Products over the subject timeframe shall be:

                        CY2000       CY2001       CY2002       CY2003
                        ------       ------       ------       ------
          [*]           [*]          [*]          [*]          [*]
          [*]           [*]          [*]          [*]          [*]

     4.   Sonic Innovations shall meet the General Minimum Revenue amounts in
          Item 1 on a cumulative basis. At the end of each calendar year, Atmel
          will examine the revenue shipped of all products and determine if the
          Guaranteed Minimum Revenue outlined in Item 1 has been met. If the
          Guaranteed Minimum Revenue has not been met, Sonic Innovations will
          have the option of accepting a one time charge or ordering additional
          product under the terms of this agreement to cover the shortfall.

/s/ Gregory N. Koskowich                   /s/ Tony Giraudo
------------------------------------       ------------------------------------
Gregory N. Koskowich                       Tony Giraudo
V.P. - Engineering                         V.P. and General Manager
Sonic Innovations Inc.                     Bicmos and Custom Asic Products
                                           Atmel Corporation

[*] - Confidential treatment has been requested with respect to these items.<PAGE>

                                                                  Exhibit 10.18

THIS SUBSCRIPTION AGREEMENT (the "Agreement") is made on the 13th day of
September 2000 between

1.   K/S HIMPP, a limited partnership under Danish law resident at Ny
     Vestergaardsvej 25, 3500 Vaerlose, Denmark (the "Partnership"); and

2.   SONIC INNOVATIONS, INC., 5330 South 900 East, Suite 240, Salt Lake City,
     Utah 84117-7261, USA (the "Limited Partner")

for the subscription for shares in the Partnership.

1.   DEFINITIONS

1.1. In this Agreement the following words and expressions shall have the
     following meanings unless where the context explicitly requires otherwise:

     "Shares"               means 10 A shares in the Partnership of a face value
                            of US$180,000.00 each or in the aggregate
                            US$1,800,000.00 of the Partnership's total
                            authorised and issued capital of US$16,350,000 after
                            the increase of the capital;

     "General Partner"      means the general partner of the Partnership; and

     "Articles"             means the Articles of Association of the Partnership
                            as adopted by the Partnership in its general meeting
                            on October 14, 1999.

2.   SUBSCRIPTION FOR SHARES

     The Limited Partner hereby subscribes for the Shares and the Partnership
     hereby accepts to be bound by the Limited Partner's subscription for the
     Shares.

3.   PAYMENT FOR THE SHARES

3.1  The total consideration of USD 1,800,000 for the subscription of the Shares
     in K/S HIMPP shall be paid to the Partnership no later than 8 days after
     the date of this Agreement.

4.   THE LIMITED PARTNER'S RIGHTS AND OBLIGATIONS

4.1. The Limited Partner hereby accepts and assumes all rights and obligations
     connected with the subscription for and holding of the Shares pursuant to
     the Articles or Danish law in general.

4.2. By his execution of this Agreement the Limited Partner covenants to have
     full knowledge of and to accept the terms and conditions of the Articles.

4.3. The Limited Partner hereby in particular covenants to have full knowledge
     of and to accept the following provisions of the Articles:

     (i)    The Partnership's general partner is HIMPP A/S whose liability is
            joint, direct and unlimited for all the Partnership's indebtedness
            and liabilities. The General Partner's issued and outstanding share
            capital is Danish Kroner, 1,800,000 after a capital increase in the
            amount of DKK 200,000 subscribed to by the Limited Partner. Each
            Limited Partner's liability for the Partnership's indebtedness and
            liabilities is personal, direct and pro rata and limited to the
            unpaid part (if any) of that Limited Partner's share in the
            Partnership's authorised and issued capital together with such
<PAGE>

            further contributions in cash as the Partnership acting in general
            meeting may resolve under Article 4.1., or as may be required to be
            contributed under Article 4.1.;

     (ii)   No Limited Partner shall have any rights of recourse against the
            General Partner for that Limited Partner's proportion of the
            Partnership's aggregate liabilities and indebtedness (Article 6.2.);

     (iii)  Upon the complete performance of each limited partner's obligations
            under his subscription agreement with the Partnership such limited
            partner is entitled to receive a certificate evidencing his shares
            (Article 7.1.);

     (iv)   The Shares and the certificates are non-negotiable instruments and
            shall be issued in the name of the owner (Article 7.2.);

     (v)    Each Share may be held by only one natural or legal person. No Share
            can be divided into sub-shares (Article 8.1.);

     (vi)   The shares may only be transferred to a transferee who is itself in
            control of or controlled by the transferor limited partner (Article
            8.2.).

     (vii)  If any Limited Partner shall become insolvent or be in breach of his
            duties and obligations towards the Partnership under the
            subscription agreement, the Articles or otherwise, the Partnership
            shall be entitled to request any loss realised thereby reimbursed by
            the relevant limited partner, and further to terminate without
            notice any patent license agreement entered into between the
            Partnership and the Limited Partner (Article 10); and

     (viii) The General Partner shall be charged with the administration of the
            Partnership and is entitled to remuneration for such work to the
            extent that such remuneration is reasonable when compared to the
            work and costs involved in the General Partner's performance of his
            duties. The General Partner may delegate administrative functions
            and tasks to third parties (Article 11.1.).

5.   LAW AND JURISDICTION

5.1. This Agreement shall be governed by and construed in accordance with Danish
     law.

5.2. Any dispute arising out of this Agreement or its interpretation shall be
     subject to the exclusive jurisdiction of the Maritime and Commercial Court
     in Copenhagen. This Clause shall not affect the construction of Article 17
     of the Articles, pursuant to which disputes concerning the interpretation
     of the Articles shall be settled finally by arbitration.

AS WITNESS the signatures of the parties hereto on the date first written above.

                                                           For the Partnership:
                                                            /s/Soren Westermann
                                             ----------------------------------

                                                           For and on behalf of
                                                                      K/S HIMPP

                                                       For the Limited Partner:

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

                                                                /s/Jorgen Heide
                                             ----------------------------------
                                                           For and on behalf of
                                                        SONIC INNOVATIONS, INC.<PAGE>

                                                                  Exhibit 10.19

                 Sonic Innovations, Inc.
                 5330 South 900 East
                 Suite 240
                 Salt Lake City
                 Utah 84117-7261
                 USA
                 (in the following referred to as "Licensee")

                 and

                 K/S HIMPP
                 Ny Vestergaardsvej 25
                 DK-3500 Vaerlose
                 Denmark
                 (in the following referred to as "Licensor")

have today entered into the following

                           PATENT LICENSE AGREEMENT
                           ------------------------

1.   PREAMBLE
     --------

1.1. Licensor is the owner of the entire right, title and interest in certain
     patents and patent applications.

1.2. Licensee wishes to obtain a non-exclusive license to the patents and patent
     applications as defined below, and Licensor is willing to grant said
     license to Licensee on the terms hereinafter set forth.

1.3. This Patent License Agreement shall replace the Patent License Agreement
     between the parties dated August 27 and September 10, 1998 with effect as
     from June 13, 2000, however, any royalties due from January 1 to June 13,
     2000 shall be payable in accordance with the terms of the Patent License
     Agreement dated August/September 1998.

2.   DEFINITIONS
     -----------

2.1. The term "Licensed Patents" as used in this Agreement shall be defined as
     all patents and patent applications owned by Licensor as of the effective
     date of this Agreement and which Licensor has the right to license
     hereunder, including without limitation the patents and patent applications
     listed in Exhibits A and B to this Agreement, as well as any patents which
     are later issued from patent applications listed in Exhibits A and B.
<PAGE>

     Licensed Patents shall not include any of the patents or applications owned
     by the Licensor as listed in Exhibit C.

2.2. The term "Licensed Products" as used in this Agreement shall mean hearing
     aids, components thereof or any apparatus, device or system which is
     designed for use with a hearing aid, covered by a claim of a Licensed
     Patent or made by a process covered by a claim of a Licensed Patent.

2.3. For purposes of this Agreement the term "affiliated company" shall include
     a company or entity which itself is directly or indirectly controlled by or
     directly or indirectly controls the Licensee, or any company or entity
     which is directly or indirectly controlled by the company or entity
     controlling the Licensee. For purposes of this Clause 2.3 the term
     "control" shall mean a shareholding or similar ownership of more than 50
     percent.

3.   THE LICENSE
     -----------

3.1. Subject to the terms and conditions hereinafter set forth, and subject to
     any prior conflicting rights that may have been granted under the Licensed
     Patents, Licensor hereby grants to Licensee a non-exclusive, worldwide
     license under the Licensed Patents to make, use, sell, have made and import
     Licensed Products.

3.2. Licensee is aware that license agreements identical to this Agreement are
     entered into between Licensor and other present and future limited partners
     of Licensor, and that license agreements on terms that are not identical to
     this Agreement may be entered into between Licensor and third party
     licensees granting to such licensees a non-exclusive license to the
     Licensed Patents.

3.3. The grant of license hereunder is for the use exclusively by Licensee and
     affiliated companies of Licensee, and Licensee shall not grant to third
     parties any sub-licenses or other rights under the Licensed Patents.

3.4. The above non-exclusive rights of the parties may be subject to
     restrictions or limitations imposed under mandatory provisions of the EU or
     under national law or regulations and such provisions shall apply and be
     considered part of this Agreement.

4.   THE PATENTS
     -----------

4.1. During the life of this Agreement Licensor in its sole discretion shall
     decide what steps shall be taken to obtain patents that have been applied
     for and to maintain the patents already granted. All costs connected with
     the maintenance and issuance of patents shall be paid by Licensor.

4.2. Licensee has been informed that Licensor may at its sole discretion
     discontinue the maintenance of the Licensed Patents or part thereof, and
     Licensee agrees that it shall not have any right of compensation or any
     other claim against Licensor based on the fact that the Licensed Patents or
     some of them may lapse.

5.   ASSIGNMENT/SUB-LICENSES
     -----------------------

5.1. Licensee shall not be entitled to assign its rights and obligations
     hereunder to a third party without the express permission of Licensor, such
     permission not to be withheld by Licensor in the event that Licensee
<PAGE>

     wishes to sell all of Licensee's hearing aid activities, and the purchaser
     of such activities agrees to assume all of Licensee's rights and
     obligations as against Licensor under this Agreement and in Licensee's
     capacity as limited partner in the Licensor.

5.2. Licensee shall not be entitled to grant sub-licenses.

6.   WARRANTIES OF LICENSOR
     ----------------------

6.1. Licensor warrants,

     that   Licensor is the owner of the entire right, title and interest in the
     ----   Licensed Patents and has the right to grant the license granted
            herein; and

     that   Licensor is not aware of any prior conflicting rights granted under
     ----   any of the Licensed Patents except: the Central Institute for the
            Deaf (CID) has been granted an option for an exclusive license under
            all patents listed in Exhibit B for all fields of use except hearing
            aids.

6.2. Nothing in this Agreement shall be construed as a representation or
     warranty by Licensor as to the technical or commercial results which can be
     obtained by the exploitation of the Licensed Patents.

6.3. The parties agree that should a patent not issue from any of the
     applications listed in Exhibits A and B hereto, the terms hereof inclusive
     of Licensee's obligations hereunder shall be otherwise unaffected by such
     occurrence.

7.   INFRINGEMENT
     ------------

7.1. In the case of any third party infringing the Patents, Licensor shall in
     its sole discretion decide whether legal proceedings shall be initiated to
     prevent such infringement. If legal proceedings are initiated, Licensee
     shall, if requested, act under the instructions of Licensor in this regard
     to the extent that such instructions are not contrary to the interest of
     Licensee.

7.2. Costs incurred in connection with legal proceedings shall be borne by
     Licensor.

8.   PRODUCT LIABILITY AND COMPLIANCE
     --------------------------------

8.1. Only Licensee shall be liable for any claim for compensation which might be
     set forth by any third party as a consequence of the exploitation of the
     Licensed Patents.

8.2. Licensee shall observe and comply with all local laws, rules and
     regulations in the territory applicable to the exploitation of the Licensed
     Patents, and shall at its own cost obtain any necessary governmental permit
     or approval.
<PAGE>

9.    SECRECY
      -------

9.1.  The parties hereto acknowledge that each party has an interest in
      maintaining the confidentiality of the Invention and the parties' business
      and trade practices. Therefore the parties shall treat as secret and
      confidential all information relating to the other party's business and
      products, and to the Invention (collectively, the "Confidential
      Information"). The parties each agree to use their best efforts to prevent
      the unauthorised use and disclosure of the Confidential Information, which
      shall include requiring all third parties to whom the Confidential
      Information is disclosed to execute confidentiality agreements containing
      terms similar to those contained in this Article 11.1. Notwithstanding the
      foregoing, the parties may disclose any Confidential Information which has
      been independently acquired from a third party, that does not have an
      obligation of confidentiality to any of the parties, which is made public
      incident to the filing of patent applications or the issuance of patents,
      which has otherwise become generally known in the industry in which the
      parties operate other than as a result of wrongdoing by the party
      disclosing such information, or the disclosure is required pursuant to
      judicial order or the mandate of any governmental agency or authority.

9.2.  The obligations of confidentiality hereunder shall continue after the
      expiration of this Agreement, irrespective of the cause and irrespective
      of which of the parties might terminate the Agreement.

10.   FORCE MAJEURE
      -------------

10.1. Neither party shall be under any liability to the other party hereunder
      due to circumstances that such party shows is beyond his control, such as
      change of legislation, government prohibition, or other kind of force
      majeure. The parties undertake to notify the other party if any force
      majeure circumstances should occur.

11.   LICENSE FEES
      ------------

11.1. In consideration of the license granted hereunder, Licensee has under
      Article 4 of the Articles of Association of Licensor in Licensee's
      capacity as a limited partner of the partnership agreed to pay a
      proportional share of the partnership's yearly deficit, however not
      exceeding USD 25,000.

11.2. Payment of the above license fees shall be effected in accordance with the
      terms of the Articles of Association of the limited partnership - first
      time for the calendar year of 2000 and in proportion to such part of the
      calendar year this Patent License agreement has been in force.

12.   TERM OF AGREEMENT
      -----------------

12.1. This Agreement shall be deemed to have come into force on June 13, 2000
      and shall remain in force and be non-terminable by Licensor until the
      expiry of all of the Licensed Patents, however, subject to the timely
      payment by Licensee of all amounts due to Licensor under a subscription
      agreement entered into simultaneously herewith (in the following referred
      to as "the Subscription Agreement").

12.2. Licensee shall be entitled to terminate its obligation to pay license fees
      in accordance with Article 11.1 above in accordance with Article 16.3 of
      the partnership Articles subject, however, to settlement in full of all
      payments under the Subscription Agreement. After the termination date (as
      defined therein) any license to use the Licensed Patents shall still
      continue in full force and effect but Licensee having thus terminated the
      Agreement shall not have any right to use patents acquired by Licensor
      after the termination date.
<PAGE>

13.   BREACH OF AGREEMENT
      -------------------

13.1. In the event of a material breach by Licensee of any of its material
      obligations under this Agreement or under the Subscription Agreement which
      is not remedied within thirty (30) days from the date of service by
      Licensor of a notice in writing specifying the material breach and
      requiring its remedy, Licensor may terminate this Agreement forthwith.

13.2. In the event of a material breach by Licensor of any of its material
      obligations under this Agreement which is not remedied within thirty (30)
      days from the date of service by Licensee of a notice in writing
      specifying the material breach and requiring its remedy, Licensee may
      terminate this Agreement forthwith.

14.   APPLICABLE LAW AND ARBITRATION
      ------------------------------

14.1. Any dispute arising between the parties concerning this Agreement cannot
      be brought before the ordinary courts but shall be resolved in accordance
      with substantive Danish law by arbitration in Copenhagen.

14.2. The party intending to convene the arbitration tribunal shall notify the
      other party by registered letter of such intent providing a short
      description of the issues which shall be before the arbitration tribunal.
      Each party shall then within four weeks appoint an arbitrator. These
      arbitrators shall within two weeks appoint a third arbitrator who shall be
      educated as a lawyer. If the arbitrators have not agreed upon the third
      arbitrator within two weeks or if a party fails within the time given to
      appoint an arbitrator, the relevant arbitrator shall be appointed if a
      party shall so direct by the President of the Maritime and Commercial
      Court in Copenhagen.

14.3. The arbitration tribunal shall itself decide its rules of procedure and
      shall when handing down its ruling, order the distribution of costs
      involved in the matter including costs to legal counsel and, if necessary,
      accountants.

14.4. To the extent that they have not been varied by the contents of this
      Article 14 the provision of the Danish Arbitration Act shall apply. The
      arbitration tribunal shall conduct its proceedings in the English
      language.

For the Licensee:                       For the Licensor:

/s/Jorgen Heide                         /s/Soren Westermann
------------------------------          ------------------------------
Sonic Innovations, Inc.                 K/S HIMPP

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