(19)

(11)

EP 1 964 443 A2

(12)

(88) Date of publication A3: 01.11.2007 (43) Date of publication: 03.09.2008 Bulletin 2008/36 (21) Application number: 06837740.7 (22) Date of filing: 16.11.2006

(51) International Patent Classification (IPC):  H04S 3/02(2006.01) (86) International application number: PCT/US2006/044447 (87) International publication number: WO 2007/067320 (14.06.2007 Gazette 2007/24)

(84) Designated Contracting States: DE FR GB (30) Priority: 02.12.2005 US 741567 P (71) Applicant: DOLBY LABORATORIES LICENSING CORPORATION San Francisco California 94103-4813 (US)	(72) Inventors: CHEN, Ching-wei San Francisco, CA 94103-4813 (US) CHABANNE, Christophe San Francisco, CA 94103-4813 (US) (74) Representative: Hoffmann, Eckart  Bahnhofstrasse 103 82166 Gräfelfing 82166 Gräfelfing (DE)