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(11)

EP 4 817 300 A1

(12)

(43) Date of publication: 07.10.2026 Bulletin 2026/41 (21) Application number: 24813193.0 (22) Date of filing: 26.11.2024

(51) International Patent Classification (IPC):  H04S 7/00(2006.01) G10K 15/08(2006.01) G01H 7/00(2006.01) A63F 13/54(2014.01) (52) Cooperative Patent Classification (CPC): H04S 7/302; G10K 15/08; H04S 2400/11; G01H 7/00; A63F 13/54 (86) International application number: PCT/EP2024/083655 (87) International publication number: WO 2025/114297 (05.06.2025 Gazette 2025/23)

(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: 27.11.2023 US 202363602974 P 27.03.2024 EP 24167049 27.03.2024 US 202463570389 P (71) Applicant: Dolby International AB Dublin, D02 VK60 (IE)	(72) Inventors: TERENTIV, Leon San Francisco, CA 94103 (US) FERSCH, Christof Joseph San Francisco, CA 94103 (US) FISCHER, Daniel San Francisco, CA 94103 (US) SETIAWAN, Panji San Francisco, CA 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)