Exhibit 10.1

VOTING AGREEMENT

VOTING AGREEMENT, dated as of March 20, 2005 (this “Agreement”), among the shareholders listed on the signature page(s) hereto (collectively, the “Shareholders” and each individually, a “Shareholder”), Pinnacle Systems, Inc., a California corporation (the “Company”) and Avid Technology, Inc., a Delaware corporation (the “Buyer”).  Capitalized terms used and not otherwise defined herein shall have the respective meanings assigned to them in the Merger Agreement referred to below.

WHEREAS, as of the date hereof, the Shareholders own of record and beneficially the shares of capital stock of the Company set forth on Schedule I hereto (such shares, or any other voting or equity of securities of the Company hereafter acquired by any Shareholder prior to the termination of this Agreement, being referred to herein collectively as the “Shares”);

WHEREAS, concurrently with the execution of this Agreement, the Buyer and the Company are entering into an Agreement and Plan of Merger, dated as of the date hereof (the “Merger Agreement”), pursuant to which, upon the terms and subject to the conditions thereof, a subsidiary of the Buyer will be merged with and into the Company, and the Company will be the surviving corporation (the “Merger”); and

WHEREAS, as a condition to the willingness of the Buyer to enter into the Merger Agreement, the Buyer has required that the Shareholders agree, and in order to induce the Buyer to enter into the Merger Agreement the Shareholders are willing, to enter into this Agreement.

NOW, THEREFORE, in consideration of the foregoing and the mutual covenants and agreements contained herein, and intending to be legally bound hereby, the parties hereby agree, severally and not jointly, as follows:

Section 1.                                             Voting of Shares .

(a)                                   Each Shareholder covenants and agrees that until the termination of this Agreement in accordance with the terms hereof, at the Company Shareholders Meeting or any other meeting of the shareholders of the Company, however called, and in any action by written consent of the shareholders of the Company, such Shareholder will vote, or cause to be voted, all of such Shareholder’s respective Shares (a) in favor of the approval of the principal terms of the Merger contemplated by the Merger Agreement, as the Merger Agreement may be modified or amended from time to time in a manner not adverse to the Shareholders, and (b) against any other Acquisition Proposal or Alternative Transaction.

(b)                                  Each Shareholder hereby irrevocably grants to, and appoints, the Buyer, and any individual designated in writing by it, and each of them individually, as his or her proxy and attorney-in-fact (with full power of substitution), for and in his or her name, place and stead, to vote such Shareholder’s Shares at any meeting of the shareholders of the Company called with respect to any of the matters specified in, and in accordance and consistent with, this Section 1.  Each Shareholder understands and acknowledges that the Buyer is entering into the Merger Agreement in reliance upon the Shareholder’s execution and delivery of this Agreement.  Each Shareholder hereby affirms that the irrevocable proxy set forth in this Section 1(b) is given in

connection with the execution of the Merger Agreement, and that such irrevocable proxy is given to secure the performance of the duties of such Shareholder under this Agreement.  Except as otherwise provided for herein, each Shareholder hereby (i) affirms that the irrevocable proxy is coupled with an interest and may under no circumstances be revoked, (ii) ratifies and confirms all that the proxies appointed hereunder may lawfully do or cause to be done by virtue hereof and (iii) affirms that such irrevocable proxy is executed and intended to be irrevocable in accordance with the provisions of Section 705 of the California General Corporation Law.  Notwithstanding any other provisions of this Agreement, the irrevocable proxy granted hereunder shall automatically terminate upon the termination of this Agreement.

Section 2.                                             Transfer of Shares .  Each Shareholder covenants and agrees that such Shareholder will not directly or indirectly (i) sell, assign, transfer, pledge, encumber or otherwise dispose of any of the Shares, (ii) deposit any of the Shares into a voting trust or enter into a voting agreement or arrangement with respect to the Shares or grant any proxy or power of attorney with respect thereto that is inconsistent with this Agreement or (iii) enter into any contract, option or other arrangement or undertaking with respect to the direct or indirect sale, assignment, transfer or other disposition of any Shares; provided, however, that notwithstanding the foregoing a Shareholder may transfer Shares or agree to transfer Shares by testamentary disposition, interspousal disposition pursuant to a domestic relations proceeding or otherwise by operation of law, provided that in each such case the transferee agrees in writing to be bound by this Agreement.

Section 3.                                             Representations and Warranties of the Shareholders .  Each Shareholder on his or her own behalf hereby severally represents and warrants to the Buyer with respect to such Shareholder and such Shareholder’s ownership of the Shares as follows:

(a)                                   Ownership of Shares .  The Shareholder beneficially owns all of the Shares as set forth on Schedule I hereto and has good and marketable title to such Shares, free and clear of any claims, liens, encumbrances and security interests whatsoever.  The Shareholder owns no shares of Company Common Stock other than the Shares as set forth on Schedule I hereto.  The Shareholder has sole voting power, without restrictions, with respect to all of the Shares.

(b)                                  Power, Binding Agreement .  The Shareholder has the legal capacity and all requisite power and authority to enter into and perform all of his or her obligations under this Agreement.  This Agreement has been duly and validly executed and delivered by the Shareholder and constitutes a valid and binding obligation of the Shareholder, enforceable against the Shareholder in accordance with its terms.

(c)                                   No Conflicts .  The execution and delivery of this Agreement do not, and the consummation of the transactions contemplated hereby will not, conflict with or result in any violation of, or default (with or without notice or lapse of time, or both) under, or give rise to a right of termination, cancellation or acceleration of any obligation or to loss of a material benefit under, any provision of any loan or credit agreement, note, bond, mortgage, indenture, lease or other agreement, instrument, permit, concession, franchise, license, judgment, order, decree, statute, law, ordinance, rule or regulation applicable to the Shareholder, the Shares or any of the Shareholder’s properties or assets.  Except as expressly contemplated hereby, the Shareholder is not a party to, and the Shares are not subject to or bound in any manner by, any contract or

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agreement relating to the Shares, including without limitation, any voting agreement, option agreement, purchase agreement, shareholders’ agreement, partnership agreement or voting trust. Except for the expiration or termination of the waiting period under the HSR Act and informational filings with the Securities and Exchange Commission, no consent, approval, order or authorization of, or registration, declaration or filing with, any court, administrative agency or commission or other governmental authority or instrumentality, d