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(11)

EP 2 100 270 A1

(12)

(43) Date of publication: 16.09.2009 Bulletin 2009/38 (21) Application number: 06840459.9 (22) Date of filing: 13.12.2006

(51) International Patent Classification (IPC):  G06T 11/60(2006.01) G06T 1/00(2006.01) (86) International application number: PCT/CA2006/002028 (87) International publication number: WO 2008/070949 (19.06.2008 Gazette 2008/25)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR (71) Applicant: Dolby Laboratories Licensing Corporation San Francisco, CA 94103-4813 (US)	(72) Inventor: WARD, Gregory John Albany, California 94706 (US) (74) Representative: Beyer, Andreas et al Wuesthoff & Wuesthoff Patent- und Rechtsanwälte Schweigerstrasse 2 81541 München 81541 München (DE)