425

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C.  20549

Form 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): July 27, 2010

SONIC SOLUTIONS

(Exact name of registrant as specified in its charter)

California	23190	93-0925818
(State or other jurisdiction of organization)	(Commission File Number)	(I.R.S. Employer Identification No.)

7250 Redwood Blvd., Suite 300  Novato, CA	94945
(Address of principal executive offices)	(Zip Code)

Registrant's telephone number, including area code:         (415) 893-8000

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

ý Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

o Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

¨ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

¨ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

ITEM 8.01.  OTHER EVENTS.

On July 27, 2010, Sonic Solutions (“Sonic”) issued a press release regarding its planned release, on August 4, 2010, of financial results for the quarter ended June 30, 2010.  Members of Sonic’s management team will lead a conference call to discuss the results that day at 2:15 p.m. (PDT) (5:15 p.m. (EDT)).  Immediately following that call, members of Sonic’s and DivX, Inc.’s management teams will host a joint conference call and webcast to discuss the proposed merger between the two companies.  A copy of the press release, dated July 27, 2010, is attached hereto as Exhibit 99.1.

ADDITIONAL INFORMATION

In connection with the proposed merger of DivX, Inc. (“DivX”) into a wholly owned subsidiary of Sonic, Sonic intends to file a proxy statement and other relevant materials with the Securities and Exchange Commission (“SEC”).  This press release is not a solicitation of a proxy, an offer to purchase nor a solicitation of an offer to sell shares of Sonic, and it is not a substitute for any proxy statement or other filings that may be made with the SEC with respect to the transaction. When such documents are filed with the SEC, investors will be urged to thoroughly review and consider them because they will contain important information. Any such documents, once filed, will be available free of charge at the SEC's website (www.sec.gov).

Sonic and its directors, executive officers and other members of management may be deemed to be soliciting proxies from shareholders in favor of the DivX transaction.  Investors and shareholders may obtain more detailed information regarding the direct and indirect interests in the transaction of persons who may, under the rules of the SEC, be considered participants in the solicitation of these shareholders in connection with the transaction by reading the preliminary and definitive proxy statements regarding the merger, which will be filed with the SEC.  Information about the directors and executive officers of Sonic may be found in its definitive proxy statement filed with the SEC on October 1, 2009 and in its Annual Report on Form 10-K for the year ended March 31, 2010 filed with the SEC on June 7, 2010.  These documents will be available free of charge once available at the SEC's web site at www.sec.gov or by directing a request to Sonic.

ITEM 9.01.  FINANCIAL STATEMENTS AND EXHIBITS.

(d)  Exhibits

The following exhibit is furnished with this Current Report on Form 8-K:

Exhibit	Description
99.1	Press Release of Sonic Solutions dated July 27, 2010

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

SONIC SOLUTIONS
By:	/s/ Paul F. Norris
Name:  Paul F. Norris Title:    Executive Vice President, Chief Financial Officer and General Counsel (Principal Financial Officer)

Date:  July 28, 2010

EX-99.1

News Release

Sonic Solutions Announces Conference Call and Webcast

for 1Q Fiscal 2011 Financial Results

NOVATO, CA (July 27, 2010) — Sonic Solutions® (NASDAQ: SNIC) will release financial results for the quarter ended June 30, 2010 after the close of regular trading on Wednesday, August 4, 2010. Members of Sonic’s management team will lead a conference call to discuss the results that day at 2:15 p.m. (PDT) / 5:15 p.m. (EDT).

Sonic Solutions 1Q 2011 Earnings

Wed, Aug 4, 2010 2:15-2:30 PM (PDT) 5:15-5:30 PM (EDT) 877-293-5493 (domestic) 914-495-8539 (int’l) 90517660

-    Webcast: To listen to a live audio broadcast of the conference call via the Internet, visit the Investor Relations section of the Sonic Solutions website at http://www.sonic.com. An archived version of the webcast will also be available through this site.

-    Replay: A telephone replay will also be available shortly following the call on Wednesday, August 4, 2010 through midnight (PDT) on Wednesday, August 11, 2010. The replay can be accessed by dialing (800) 642-1687 (for domestic callers) or (706) 645-9291(international callers) and entering the passcode: 90517660.

Immediately following the earnings conference call, members of Sonic Solutions and DivX, Inc. (NASDAQ: DIVX) management teams will host a joint conference call and webcast to update shareholders on the proposed merger. The joint call will take place at 2:30 p.m. PDT (5:30 p.m. EDT).

Sonic/DivX Merger Update

Wed, Aug 4, 2010 2:30-3:00 PM (PDT) 5:30-6:00 PM (EDT) 877-293-5493 (domestic) 914-495-8539 (int’l) 90811287

-    Webcast: To listen to a live audio broadcast of the conference call via the Internet, visit the Investor Relations section of the Sonic Solutions website at http://www.sonic.com. An archived version of the webcast will also be available through this site.

-    Replay: A telephone replay will also be available shortly following the call on Wednesday, August 4, 2010 through midnight (PDT) on Wednesday, August 11, 2010. The replay can be accessed by dialing (800) 642-1687 (for domestic callers) or (706) 645-9291 (for international callers) and entering the passcode: 90811287.

Sonic Solutions  • 7250 Redwood Blvd., Suite 300  • Novato, CA  94945  • tel: 415.893.8000  • fax: 415.893.8008  • www.sonic.com

About Sonic Solutions

Sonic Solutions® is powering the digital media ecosystem through its complete range of Hollywood to Home™ applications, services, and technologies. Sonic’s Roxio® products enable consumers to easily manage and enjoy personal media and premium Hollywood entertainment on a broad range of connected devices. A wide array of leading technology firms, professionals, and developers rely on Sonic to bring innovative digital media functionality to next-generation devices and platforms. Sonic Solutions is headquartered in Marin County, California.

Sonic, the Sonic logo, Sonic Solutions, Hollywood to Home and Roxio are trademarks or registered trademarks of Sonic Solutions in the United States and/or other countries. All other company or product names are trademarks of their respective owners and, in some cases, are used by Sonic Solutions under license.

Contact Information:

Investor Relations Contact(s)

Nils Erdmann, Sonic Solutions, 415-893-8032, nils_erdmann@sonic.com

Press Contact(s):

Chris Taylor, Sonic Solutions, 408-367-5231, chris_taylor@sonic.com

Additional Information:

This press release is not a solicitation of a proxy, an offer to purchase nor a solicitation of an offer to sell shares of Sonic Solutions, and it is not a substitute for any prospectus, proxy statement or other filings that may be made with the Securities and Exchange Commission (the “SEC”) with respect to the proposed merger.  On July 13, 2010, Sonic Solutions filed a registration statement on Form S-4 containing a preliminary prospectus and joint proxy statement (the “preliminary joint proxy statement/prospectus”) with the SEC.  When such registration statement is declared effective by the SEC, investors will be urged to thoroughly review and consider the final joint proxy statement/prospectus and any other documents filed with the SEC as they will contain important information. Any such documents, once filed, will be available free of charge at the SEC's website (www.sec.gov).

Sonic Solutions, DivX and their respective directors, executive officers and other members of their management may be deemed to be soliciting proxies from stockholders of Sonic Solutions or Divx in favor of the merger.  Investors and stockholders may obtain more detailed information regarding the direct and indirect interests in the merger of persons who may, under the rules of the SEC, be considered participants in the solicitation of these stockholders in connection with the merger by reading the preliminary and definitive joint proxy statement/prospectus regarding the merger, when filed with the SEC. Information about the directors and executive officers of Sonic Solutions may currently be found in the preliminary joint proxy statement/prospectus.  Information about the directors and executive officers of DivX may be found in its definitive proxy statement filed with the SEC on April 20, 2010. These documents will be available free of charge once available at the SEC's web site at www.sec.gov or by directing a request to either Sonic Solutions or DivX.