(19)

(11)

EP 3 977 447 A1

(12)

(43) Date of publication: 06.04.2022 Bulletin 2022/14 (21) Application number: 20746393.6 (22) Date of filing: 29.05.2020

(51) International Patent Classification (IPC):  G10L 19/008(2013.01) H04S 3/02(2006.01) H04S 3/00(2006.01) (52) Cooperative Patent Classification (CPC): G10L 19/008; H04S 3/008; H04S 3/02; H04S 2420/11; H04S 7/30 (86) International application number: PCT/US2020/035270 (87) International publication number: WO 2020/243535 (03.12.2020 Gazette 2020/49)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 31.05.2019 US 201962855202 P (71) Applicant: DTS, Inc. Calabasas, CA 91302 (US)	(72) Inventors: STEIN, Edward Soquel, California 95073 (US) GOODWIN, Michael M. Scotts Valley, California 95066 (US) (74) Representative: Müller, Wolfram Hubertus  Patentanwalt Teltower Damm 15 14169 Berlin 14169 Berlin (DE)