-----BEGIN PRIVACY-ENHANCED MESSAGE----- Proc-Type: 2001,MIC-CLEAR Originator-Name: webmaster@www.sec.gov Originator-Key-Asymmetric: MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB MIC-Info: RSA-MD5,RSA, P73jDfeVfZnmBYq3oOEseBmQgfU+80b9MFv3MQASGSVZWx5C3ghfX1MTkZTh0eRo 5tEBfNuteGw34mt7PJdwfA== 0000950109-97-001160.txt : 19970222 0000950109-97-001160.hdr.sgml : 19970222 ACCESSION NUMBER: 0000950109-97-001160 CONFORMED SUBMISSION TYPE: SC 13G PUBLIC DOCUMENT COUNT: 2 FILED AS OF DATE: 19970213 SROS: NASD GROUP MEMBERS: ANN H. LAMONT GROUP MEMBERS: BANDEL L. CARANO GROUP MEMBERS: EDWARD F. GLASSMEYER GROUP MEMBERS: EILEEN M. MORE GROUP MEMBERS: FREDRIC W. HARMAN GROUP MEMBERS: GERALD R. GALLAGHER GROUP MEMBERS: OAK ASSOCIATES III, LIMITED PARTNERSHIP GROUP MEMBERS: OAK ASSOCIATES V, LIMITED PARTNERSHIP GROUP MEMBERS: OAK INVESTMENT PARTNERS III A LIMITED PARTNERSHIP GROUP MEMBERS: OAK INVESTMENT PARTNERS V, LIMITED PARTNERSHIP GROUP MEMBERS: OAK MANAGEMENT CORP GROUP MEMBERS: OAK V AFFILIATES GROUP MEMBERS: OAK V AFFILIATES FUND, LIMITED PARTNERS SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: DIGITAL SOUND CORP CENTRAL INDEX KEY: 0000718576 STANDARD INDUSTRIAL CLASSIFICATION: TELEPHONE & TELEGRAPH APPARATUS [3661] IRS NUMBER: 953222624 STATE OF INCORPORATION: CA FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G SEC ACT: 1934 Act SEC FILE NUMBER: 005-49601 FILM NUMBER: 97529702 BUSINESS ADDRESS: STREET 1: 6307 CARPINTERIA AVE CITY: CARPINTERIA STATE: CA ZIP: 93013 BUSINESS PHONE: 8055662255X2154 MAIL ADDRESS: STREET 1: 6307 CARPINTERIA AVE CITY: CARPINTERIA STATE: CA ZIP: 93013 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: OAK MANAGEMENT CORP CENTRAL INDEX KEY: 0001030818 STANDARD INDUSTRIAL CLASSIFICATION: [] STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G BUSINESS ADDRESS: STREET 1: ONE GORHAM ISLAND CITY: WESTPORT STATE: CT ZIP: 06880 BUSINESS PHONE: 2032268346 MAIL ADDRESS: STREET 1: ONE GORHAM ISLAND CITY: WESTPORT STATE: CT ZIP: 06880 SC 13G 1 SCHEDULE 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 3)* Digital Sound Corporation (Name of Issuer) Common Stock No Par Value (Title of Class of Securities) 253911101 (CUSIP Number) *The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page. The information required in the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes). - ----------------------- --------------------- CUSIP NO. 253911101 13G PAGE 2 OF 23 PAGES - ----------------------- --------------------- - ------------------------------------------------------------------------------ NAME OF REPORTING PERSON 1 S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Oak Investment Partners III, A Limited Partnership 06-1088899 - ------------------------------------------------------------------------------ CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* 2 (a) [_] (b) [_] - ------------------------------------------------------------------------------ SEC USE ONLY 3 - ------------------------------------------------------------------------------ CITIZENSHIP OR PLACE OF ORGANIZATION 4 Delaware - ------------------------------------------------------------------------------ SOLE VOTING POWER 5 NUMBER OF 1,948,322 Shares of Common Stock SHARES ----------------------------------------------------------- SHARED VOTING POWER BENEFICIALLY 6 Not Applicable OWNED BY ----------------------------------------------------------- EACH SOLE DISPOSITIVE POWER 7 REPORTING 1,948,322 Shares of Common Stock PERSON ----------------------------------------------------------- SHARED DISPOSITIVE POWER WITH 8 Not Appliable - ------------------------------------------------------------------------------ AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 9 1,948,322 Shares of Common Stock - ------------------------------------------------------------------------------ CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* 10 [_] - ------------------------------------------------------------------------------ PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 11 8.5% - ------------------------------------------------------------------------------ TYPE OF REPORTING PERSON* 12 PN - ------------------------------------------------------------------------------ *SEE INSTRUCTION BEFORE FILLING OUT! - ----------------------- --------------------- CUSIP NO. 253911101 13G PAGE 3 OF 23 PAGES - ----------------------- --------------------- - ------------------------------------------------------------------------------ NAME OF REPORTING PERSON 1 S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Oak Associates III, Limited Partnership 06-1093520 - ------------------------------------------------------------------------------ CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* 2 (a) [_] (b) [_] - ------------------------------------------------------------------------------ SEC USE ONLY 3 - ------------------------------------------------------------------------------ CITIZENSHIP OR PLACE OF ORGANIZATION 4 Delaware - ------------------------------------------------------------------------------ SOLE VOTING POWER 5 NUMBER OF Not Applicable SHARES ----------------------------------------------------------- SHARED VOTING POWER BENEFICIALLY 6 1,948,322 Shares of Common Stock OWNED BY ----------------------------------------------------------- EACH SOLE DISPOSITIVE POWER 7 REPORTING Not Applicable PERSON ----------------------------------------------------------- SHARED DISPOSITIVE POWER WITH 8 1,948,322 Shares of Common Stock - ------------------------------------------------------------------------------ AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 9 1,948,322 Shares of Common Stock - ------------------------------------------------------------------------------ CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* 10 [_] - ------------------------------------------------------------------------------ PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 11 8.5% - ------------------------------------------------------------------------------ TYPE OF REPORTING PERSON* 12 PN - ------------------------------------------------------------------------------ *SEE INSTRUCTION BEFORE FILLING OUT! - ----------------------- --------------------- CUSIP NO. 253911101 13G PAGE 4 OF 23 PAGES - ----------------------- --------------------- - ------------------------------------------------------------------------------ NAME OF REPORTING PERSON 1 S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Oak Investment Partners V, Limited Partnership 06-1093520 - ------------------------------------------------------------------------------ CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* 2 (a) [_] (b) [_] - ------------------------------------------------------------------------------ SEC USE ONLY 3 - ------------------------------------------------------------------------------ CITIZENSHIP OR PLACE OF ORGANIZATION 4 Delaware - ------------------------------------------------------------------------------ SOLE VOTING POWER 5 NUMBER OF 2,636,799 Shares of Common Stock SHARES ----------------------------------------------------------- SHARED VOTING POWER BENEFICIALLY 6 Not applicable OWNED BY ----------------------------------------------------------- EACH SOLE DISPOSITIVE POWER 7 REPORTING 2,636,799 Shares of Common Stock PERSON ----------------------------------------------------------- SHARED DISPOSITIVE POWER WITH 8 Not applicable - ------------------------------------------------------------------------------ AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 9 2,636,799 Shares of Common Stock - ------------------------------------------------------------------------------ CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* 10 [_] - ------------------------------------------------------------------------------ PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 11 11.6% - ------------------------------------------------------------------------------ TYPE OF REPORTING PERSON* 12 PN - ------------------------------------------------------------------------------ *SEE INSTRUCTION BEFORE FILLING OUT! - ----------------------- --------------------- CUSIP NO. 253911101 13G PAGE 5 OF 23 PAGES - ----------------------- --------------------- - ------------------------------------------------------------------------------ NAME OF REPORTING PERSON 1 S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Oak Associates V, Limited Parnership 06-1332464 - ------------------------------------------------------------------------------ CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* 2 (a) [_] (b) [_] - ------------------------------------------------------------------------------ SEC USE ONLY 3 - ------------------------------------------------------------------------------ CITIZENSHIP OR PLACE OF ORGANIZATION 4 Delaware - ------------------------------------------------------------------------------ SOLE VOTING POWER 5 NUMBER OF Not Applicable SHARES ----------------------------------------------------------- SHARED VOTING POWER BENEFICIALLY 6 2,636,799 Shares of Common Stock OWNED BY ----------------------------------------------------------- EACH SOLE DISPOSITIVE POWER 7 REPORTING Not Applicable PERSON ----------------------------------------------------------- SHARED DISPOSITIVE POWER WITH 8 2,636,799 Shares of Common Stock - ------------------------------------------------------------------------------ AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 9 2,636,799 Shares of Common Stock - ------------------------------------------------------------------------------ CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* 10 [_] - ------------------------------------------------------------------------------ PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 11 11.6% - ------------------------------------------------------------------------------ TYPE OF REPORTING PERSON* 12 PN - ------------------------------------------------------------------------------ *SEE INSTRUCTION BEFORE FILLING OUT! - ----------------------- --------------------- CUSIP NO. 253911101 13G PAGE 6 OF 23 PAGES - ----------------------- --------------------- - ------------------------------------------------------------------------------ NAME OF REPORTING PERSON 1 S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Oak V Affiliates Fund, Limited Partnership 06-1334685 - ------------------------------------------------------------------------------ CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* 2 (a) [_] (b) [_] - ------------------------------------------------------------------------------ SEC USE ONLY 3 - ------------------------------------------------------------------------------ CITIZENSHIP OR PLACE OF ORGANIZATION 4 Delaware - ------------------------------------------------------------------------------ SOLE VOTING POWER 5 NUMBER OF 59,315 Shares of Common Stock SHARES ----------------------------------------------------------- SHARED VOTING POWER BENEFICIALLY 6 Not Applicable OWNED BY ----------------------------------------------------------- EACH SOLE DISPOSITIVE POWER 7 REPORTING 59,315 Shares of Common Stock PERSON ----------------------------------------------------------- SHARED DISPOSITIVE POWER WITH 8 Not Applicable - ------------------------------------------------------------------------------ AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 9 59,315 Shares of Common Stock - ------------------------------------------------------------------------------ CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* 10 [_] - ------------------------------------------------------------------------------ PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 11 0.3% - ------------------------------------------------------------------------------ TYPE OF REPORTING PERSON* 12 PN - ------------------------------------------------------------------------------ *SEE INSTRUCTION BEFORE FILLING OUT! - ----------------------- --------------------- CUSIP NO. 253911101 13G PAGE 7 OF 23 PAGES - ----------------------- --------------------- - ------------------------------------------------------------------------------ NAME OF REPORTING PERSON 1 S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Oak V Affiliates 06-1334686 - ------------------------------------------------------------------------------ CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* 2 (a) [_] (b) [_] - ------------------------------------------------------------------------------ SEC USE ONLY 3 - ------------------------------------------------------------------------------ CITIZENSHIP OR PLACE OF ORGANIZATION 4 Delaware - ------------------------------------------------------------------------------ SOLE VOTING POWER 5 NUMBER OF Not Applicable SHARES ----------------------------------------------------------- SHARED VOTING POWER BENEFICIALLY 6 59,315 Shares of Common Stock OWNED BY ----------------------------------------------------------- EACH SOLE DISPOSITIVE POWER 7 REPORTING Not Applicable PERSON ----------------------------------------------------------- SHARED DISPOSITIVE POWER WITH 8 59,315 Shares of Common Stock - ------------------------------------------------------------------------------ AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 9 59,315 Shares of Common Stock - ------------------------------------------------------------------------------ CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* 10 [_] - ------------------------------------------------------------------------------ PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 11 0.3% - ------------------------------------------------------------------------------ TYPE OF REPORTING PERSON* 12 PN - ------------------------------------------------------------------------------ *SEE INSTRUCTION BEFORE FILLING OUT! - ----------------------- --------------------- CUSIP NO. 253911101 13G PAGE 8 OF 23 PAGES - ----------------------- --------------------- - ------------------------------------------------------------------------------ NAME OF REPORTING PERSON 1 S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Oak Management Corporation 06-0990851 - ------------------------------------------------------------------------------ CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* 2 (a) [_] (b) [_] - ------------------------------------------------------------------------------ SEC USE ONLY 3 - ------------------------------------------------------------------------------ CITIZENSHIP OR PLACE OF ORGANIZATION 4 Delaware - ------------------------------------------------------------------------------ SOLE VOTING POWER 5 NUMBER OF Not Applicable SHARES ----------------------------------------------------------- SHARED VOTING POWER BENEFICIALLY 6 4,644,436 Shares of Common Stock OWNED BY ----------------------------------------------------------- EACH SOLE DISPOSITIVE POWER 7 REPORTING Not Applicable PERSON ----------------------------------------------------------- SHARED DISPOSITIVE POWER WITH 8 4,644,436 Shares of Common Stock - ------------------------------------------------------------------------------ AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 9 4,644,436 Shares of Common Stock - ------------------------------------------------------------------------------ CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* 10 [_] - ------------------------------------------------------------------------------ PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 11 20.3% - ------------------------------------------------------------------------------ TYPE OF REPORTING PERSON* 12 CO - ------------------------------------------------------------------------------ *SEE INSTRUCTION BEFORE FILLING OUT! - ----------------------- --------------------- CUSIP NO. 253911101 13G PAGE 9 OF 23 PAGES - ----------------------- --------------------- - ------------------------------------------------------------------------------ NAME OF REPORTING PERSON 1 S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Bandel L. Carano - ------------------------------------------------------------------------------ CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* 2 (a) [_] (b) [_] - ------------------------------------------------------------------------------ SEC USE ONLY 3 - ------------------------------------------------------------------------------ CITIZENSHIP OR PLACE OF ORGANIZATION 4 United States - ------------------------------------------------------------------------------ SOLE VOTING POWER 5 NUMBER OF Not applicable SHARES ----------------------------------------------------------- SHARED VOTING POWER BENEFICIALLY 6 4,644,436 Shares of Common Stock OWNED BY ----------------------------------------------------------- EACH SOLE DISPOSITIVE POWER 7 REPORTING Not applicable PERSON ----------------------------------------------------------- SHARED DISPOSITIVE POWER WITH 8 4,644,436 Shares of Common Stock - ------------------------------------------------------------------------------ AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 9 4,644,436 Shares of Common Stock - ------------------------------------------------------------------------------ CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* 10 [_] - ------------------------------------------------------------------------------ PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 11 20.3% - ------------------------------------------------------------------------------ TYPE OF REPORTING PERSON* 12 IN - ------------------------------------------------------------------------------ *SEE INSTRUCTION BEFORE FILLING OUT! - ----------------------- --------------------- CUSIP NO. 253911101 13G PAGE 10 OF 23 PAGES - ----------------------- --------------------- - ------------------------------------------------------------------------------ NAME OF REPORTING PERSON 1 S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Gerald R. Gallagher - ------------------------------------------------------------------------------ CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* 2 (a) [_] (b) [_] - ------------------------------------------------------------------------------ SEC USE ONLY 3 - ------------------------------------------------------------------------------ CITIZENSHIP OR PLACE OF ORGANIZATION 4 United States - ------------------------------------------------------------------------------ SOLE VOTING POWER 5 NUMBER OF Not applicable SHARES ----------------------------------------------------------- SHARED VOTING POWER BENEFICIALLY 6 4,644,436 Shares of Common Stock OWNED BY ----------------------------------------------------------- EACH SOLE DISPOSITIVE POWER 7 REPORTING Not applicable PERSON ----------------------------------------------------------- SHARED DISPOSITIVE POWER WITH 8 4,644,436 Shares of Common Stock - ------------------------------------------------------------------------------ AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 9 4,644,436 Shares of Common Stock - ------------------------------------------------------------------------------ CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* 10 [_] - ------------------------------------------------------------------------------ PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 11 20.3% - ------------------------------------------------------------------------------ TYPE OF REPORTING PERSON* 12 IN - ------------------------------------------------------------------------------ *SEE INSTRUCTION BEFORE FILLING OUT! - ----------------------- --------------------- CUSIP NO. 253911101 13G PAGE 11 OF 23 PAGES - ----------------------- --------------------- - ------------------------------------------------------------------------------ NAME OF REPORTING PERSON 1 S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Edward F. Glassmeyer - ------------------------------------------------------------------------------ CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* 2 (a) [_] (b) [_] - ------------------------------------------------------------------------------ SEC USE ONLY 3 - ------------------------------------------------------------------------------ CITIZENSHIP OR PLACE OF ORGANIZATION 4 United States - ------------------------------------------------------------------------------ SOLE VOTING POWER 5 NUMBER OF Not Applicable SHARES ----------------------------------------------------------- SHARED VOTING POWER BENEFICIALLY 6 4,644,436 Shares of Common Stock OWNED BY ----------------------------------------------------------- EACH SOLE DISPOSITIVE POWER 7 REPORTING Not Applicable PERSON ----------------------------------------------------------- SHARED DISPOSITIVE POWER WITH 8 4,644,436 Shares of Common Stock - ------------------------------------------------------------------------------ AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 9 4,644,436 Shares of Common Stock - ------------------------------------------------------------------------------ CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* 10 - ------------------------------------------------------------------------------ PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 11 20.3% - ------------------------------------------------------------------------------ TYPE OF REPORTING PERSON* 12 IN - ------------------------------------------------------------------------------ *SEE INSTRUCTION BEFORE FILLING OUT! - ----------------------- --------------------- CUSIP NO. 253911101 13G PAGE 12 OF 23 PAGES - ----------------------- --------------------- - ------------------------------------------------------------------------------ NAME OF REPORTING PERSON 1 S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Frederick W. Harman - ------------------------------------------------------------------------------ CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* 2 (a) [_] (b) [_] - ------------------------------------------------------------------------------ SEC USE ONLY 3 - ------------------------------------------------------------------------------ CITIZENSHIP OR PLACE OF ORGANIZATION 4 United States - ------------------------------------------------------------------------------ SOLE VOTING POWER 5 NUMBER OF Not Applicable SHARES ----------------------------------------------------------- SHARED VOTING POWER BENEFICIALLY 6 4,644,436 Shares of Common Stock OWNED BY ----------------------------------------------------------- EACH SOLE DISPOSITIVE POWER 7 REPORTING Not Applicable PERSON ----------------------------------------------------------- SHARED DISPOSITIVE POWER WITH 8 4,644,436 Shares of Common Stock - ------------------------------------------------------------------------------ AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 9 4,644,436 Shares of Common Stock - ------------------------------------------------------------------------------ CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* 10 [_] - ------------------------------------------------------------------------------ PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 11 20.3% - ------------------------------------------------------------------------------ TYPE OF REPORTING PERSON* 12 IN - ------------------------------------------------------------------------------ *SEE INSTRUCTION BEFORE FILLING OUT! - ----------------------- --------------------- CUSIP NO. 253911101 13G PAGE 13 OF 23 PAGES - ----------------------- --------------------- - ------------------------------------------------------------------------------ NAME OF REPORTING PERSON 1 S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Ann H. Lamont - ------------------------------------------------------------------------------ CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* 2 (a) [_] (b) [_] - ------------------------------------------------------------------------------ SEC USE ONLY 3 - ------------------------------------------------------------------------------ CITIZENSHIP OR PLACE OF ORGANIZATION 4 United States - ------------------------------------------------------------------------------ SOLE VOTING POWER 5 NUMBER OF Not Applicable SHARES ----------------------------------------------------------- SHARED VOTING POWER BENEFICIALLY 6 4,644,436 Shares of Common Stock OWNED BY ----------------------------------------------------------- EACH SOLE DISPOSITIVE POWER 7 REPORTING Not Applicable PERSON ----------------------------------------------------------- SHARED DISPOSITIVE POWER WITH 8 4,644,436 Shares of Common Stock - ------------------------------------------------------------------------------ AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 9 4,644,436 Shares of Common Stock - ------------------------------------------------------------------------------ CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* 10 [_] - ------------------------------------------------------------------------------ PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 11 20.3% - ------------------------------------------------------------------------------ TYPE OF REPORTING PERSON* 12 IN - ------------------------------------------------------------------------------ *SEE INSTRUCTION BEFORE FILLING OUT! - ----------------------- --------------------- CUSIP NO. 253911101 13G PAGE 14 OF 23 PAGES - ----------------------- --------------------- - ------------------------------------------------------------------------------ NAME OF REPORTING PERSON 1 S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Eileen M. More - ------------------------------------------------------------------------------ CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* 2 (a) [_] (b) [_] - ------------------------------------------------------------------------------ SEC USE ONLY 3 - ------------------------------------------------------------------------------ CITIZENSHIP OR PLACE OF ORGANIZATION 4 United States - ------------------------------------------------------------------------------ SOLE VOTING POWER 5 NUMBER OF Not Applicable SHARES ----------------------------------------------------------- SHARED VOTING POWER BENEFICIALLY 6 4,644,436 Shares of Common Stock OWNED BY ----------------------------------------------------------- EACH SOLE DISPOSITIVE POWER 7 REPORTING Not Applicable PERSON ----------------------------------------------------------- SHARED DISPOSITIVE POWER WITH 8 4,644,436 Shares of Common Stock - ------------------------------------------------------------------------------ AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 9 4,644,436 Shares of Common Stock - ------------------------------------------------------------------------------ CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* 10 [_] - ------------------------------------------------------------------------------ PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 11 20.3% - ------------------------------------------------------------------------------ TYPE OF REPORTING PERSON* 12 IN - ------------------------------------------------------------------------------ *SEE INSTRUCTION BEFORE FILLING OUT! Page 15 of 23 pages Schedule 13G Amendment No. 3 Common Stock, No Par Value CUSIP No. 253911101 Item 1(a) Name of Issuer: Digital Sound Corporation Item 1(b) Address of Issuer's Principal Executive Offices: 6307 Carpinteria Avenue Carpinteria, CA 93013 Item 2(a) Name of Person filing: Oak Investment Partners III A Limited Partnership Oak Associates III, Limited Partnership Oak Investment Partners V, Limited Partnership Oak Associates V, Limited Partnership Oak V Affiliates Fund, Limited Partnership Oak V Affiliates Oak Management Corporation Bandel L. Carano Gerald R. Gallagher Edward F. Glassmeyer Fredric W. Harman Ann H. Lamont Eileen M. More Item 2(b) Address of Principal Business Office or, if none, Residence: c/o Oak Management Corporation One Gorham Island Westport, CT 06880 Item 2(c) Citizenship: Please refer to Item 4 on each cover sheet for each filing person Item 2(d) Title of Class of Securities: Common stock, no par value Item 2(e) CUSIP Number: 253911101 Item 3 Not Applicable. Item 4 Ownership. The approximate percentages of shares of Common Stock reported as beneficially owned by the Reporting Entities is based upon 20,093,241 shares outstanding as of October 31, 1996, as reported in the Issuer's Quarterly Report on Form 10-Q for the fiscal quarter ended September 30, 1996, plus shares issuable upon conversion or exercise of Series A Preferred Stock and options described in the following two sentences. Amounts shown as beneficially owned include currently exercisable options to purchase 35,465 shares of Common Stock, 38,665 shares of Common Stock, and 870 shares of Common Stock which may be deemed to be held by Bandel L. Carano on behalf of Oak Investment Partners III A Limited Partnership, Oak Investment Partners V, Limited Partnership, and Oak V Affiliates Fund, Limited Partnership, respectively. Amounts shown as beneficially owned also include 2,573,684 shares and 57,895 shares issuable upon conversion of Series A Preferred Stock held by Oak Investment Partners V, Limited Partnership, and Oak V Affiliates Fund, Limited Partnership, respectively. Please see Items 5, 6, 7, 8, 9 and 11 for each cover sheet for each filing entity. Item 5 Ownership of Five Percent or Less of a Class. Not applicable Item 6 Ownership of More than Five Percent on Behalf of Another Person. Not applicable Item 7 Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on By the Parent Holding Company. Not applicable Item 8 Identification and Classification of Members of the Group. Not applicable Item 9 Notice of Dissolution of Group. Not applicable Item 10 Certification. Not applicable Signature - --------- After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct. Dated February 13, 1997 Oak Investment Partners III A Limited Partnership By: Oak Associates III, Limited Partnership, As General Partner By: /s/ Edward F. Glassmeyer ------------------------------- General Partner Oak Associates III, Limited Partnership By: /s/ Edward F. Glassmeyer ------------------------------- General Partner Oak Investment Partners V, Limited Partnership By: Oak Associates V, Limited Partnership, As General Partner By: /s/ Edward F. Glassmeyer ------------------------------- General Partner Oak Associates V, Limited Partnership By: /s/ Edward F. Glassmeyer ------------------------------- General Partner Oak V Affiliates Fund, Limited Partnership By: /s/ Edward F. Glassmeyer ------------------------------- Oak V Affiliates, As General Partner By: /s/ Edward F. Glassmeyer ------------------------------ General Partner Oak V Affiliates By: /s/ Edward F. Glassmeyer ----------------------------- General Partner OAK MANAGEMENT CORPORATION By: /s/ Edward F. Glassmeyer ------------------------------------ Name: Edward F. Glassmeyer Title: President /s/ Bandel L. Carano ------------------------------------ Bandel L. Carano /s/ Fredric W. Harman ------------------------------------ Fredric W. Harman /s/ Gerald R. Gallagher ------------------------------------ Gerald R. Gallagher /s/ Edward F. Glassmeyer ------------------------------------ Edward F. Glassmeyer /s/ Ann H. Lamont ------------------------------------ Ann H. Lamont /s/ Eileen M. More ------------------------------------ Eileen M. More EX-99.A 2 EXHIBIT A INDEX TO EXHIBITS ----------------- Page ---- EXHIBIT A Agreement of Reporting Persons 21 Exhibit A --------- Each of the undersigned hereby agrees that Amendment No. 3 to the Schedule 13G filed on the date hereof with respect to the shares of Common Stock of Digital Sound Corporation has been filed on behalf of the undersigned. Signature: - ---------- Dated February 13, 1997 Oak Investment Partners III A Limited Partnership By: Oak Associates III, Limited Partnership, As General Partner By: /s/ Edward F. Glassmeyer ----------------------------- General Partner Oak Associates III, Limited Partnership By: /s/ Edward F. Glassmeyer ------------------------------ General Partner Oak Investment Partners V, Limited Partnership By: Oak Associates V, Limited Partnership, As General Partner By: /s/ Edward F. Glassmeyer ------------------------------- General Partner Oak Associates V, Limited Partnership By: /s/ Edward F. Glassmeyer ------------------------------- General Partner Oak V Affiliates Fund, Limited Partnership By: Oak V Affiliates, As General Partner By: /s/ Edward F. Glassmeyer ------------------------------ General Partner Oak V Affiliates By: /s/ Edward F. Glassmeyer ----------------------------- General Partner OAK MANAGEMENT CORPORATION By: /s/ Edward F. Glassmeyer ------------------------------------ Name: Edward F. Glassmeyer Title: President /s/ Bandel L. Carano ------------------------------------ Bandel L. Carano /s/ Fredric W. Harman ------------------------------------ Fredric W. Harman /s/ Gerald R. Gallagher ------------------------------------ Gerald R. Gallagher /s/ Edward F. Glassmeyer ------------------------------------ Edward F. Glassmeyer /s/ Ann H. Lamont ------------------------------------ Ann H. Lamont /s/ Eileen M. More ------------------------------------ Eileen M. More -----END PRIVACY-ENHANCED MESSAGE-----