Exhibit 1

AGREEMENT OF JOINT FILING

Pursuant to Rule 13d-1(k)(1) under the Securities Exchange Act of 1934, the undersigned hereby agree that only one statement containing the information required by Schedule 13G need be filed with respect to the ownership by each of the undersigned of shares of Common Stock of Digital Theater Systems, Inc.

EXECUTED this 11^th day of February, 2004.

WESTON PRESIDIO CAPITAL II, L.P.
By:	WESTON PRESIDIO CAPITAL MANAGEMENT II, L.P.
	Its General Partner
By:	/s/ Michael P. Lazarus
	Michael P. Lazarus, Managing Partner
WESTON PRESIDIO CAPITAL MANAGEMENT II, L.P.
By:	/s/ Michael P. Lazarus
	Michael P. Lazarus, Managing Partner

 /s/ Michael F. Cronin

Michael F. Cronin

 /s/ Michael P. Lazarus

Michael P. Lazarus

 /s/ James B. McElwee

James B. McElwee