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(11)

EP 4 771 839 A1

(12)

(43) Date of publication: 08.07.2026 Bulletin 2026/28 (21) Application number: 24773216.7 (22) Date of filing: 27.08.2024

(51) International Patent Classification (IPC):  H04L 65/612(2022.01) H04L 65/75(2022.01) (52) Cooperative Patent Classification (CPC): H04L 65/612; H04L 65/75 (86) International application number: PCT/US2024/043979 (87) International publication number: WO 2025/049437 (06.03.2025 Gazette 2025/10)

(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: 30.08.2023 EP 23306438 10.01.2024 EP 24151187 (71) Applicant: Dolby Laboratories Licensing Corporation San Francisco, CA 94103 (US)	(72) Inventors: RIEDMILLER, Jeffrey San Francisco, California 94103 (US) GABIN, Frédéric 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)