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(11)

EP 4 740 208 A1

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(43) Date of publication: 13.05.2026 Bulletin 2026/20 (21) Application number: 24743629.8 (22) Date of filing: 01.07.2024

(51) International Patent Classification (IPC):  G10L 21/0208(2013.01) H04M 9/08(2006.01) G10L 25/60(2013.01) H04M 3/00(2024.01) H03G 3/32(2006.01) G10L 21/0364(2013.01) (52) Cooperative Patent Classification (CPC): G10L 21/0208; G10L 2021/02082; G10L 25/60; H04M 3/002; H04M 9/082; H03G 3/32; G10L 21/0364; H04M 3/568; H04M 3/2236 (86) International application number: PCT/US2024/036469 (87) International publication number: WO 2025/014685 (16.01.2025 Gazette 2025/03)

(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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: GE KH MA MD TN (30) Priority: 07.07.2023 US 202363512424 P 17.04.2024 US 202463635570 P (71) Applicant: Dolby Laboratories Licensing Corporation San Francisco, CA 94103 (US)	(72) Inventors: WANG, Ning San Francisco, California 94103 (US) THASARATHAN, Shanush Prema San Francisco, California 94103 (US) CHO, Byung Hoon San Francisco, California 94103 (US) (74) Representative: Dolby International AB Patent Group Europe  77 Sir John Rogerson's Quay Block C Grand Canal Docklands Dublin, D02 VK60 Dublin, D02 VK60 (IE)