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EP 4 825 044 A1

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(43) Date of publication: 21.10.2026 Bulletin 2026/43 (21) Application number: 24904593.1 (22) Date of filing: 25.10.2024

(51) International Patent Classification (IPC):  H04N 19/105(2014.01) H04N 19/159(2014.01) H04N 19/46(2014.01) H04N 19/20(2014.01) H04N 19/44(2014.01) (52) Cooperative Patent Classification (CPC): H04N 19/105; H04N 19/176; H04N 19/52; H04N 19/593 (86) International application number: PCT/US2024/053084 (87) International publication number: WO 2025/128213 (19.06.2025 Gazette 2025/25)

(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: 12.12.2023 US 202363608905 P 22.10.2024 US 202418923653 (71) Applicant: Tencent America LLC Palo Alto, California 94306 (US)

(72) Inventors: YOON, Yonguk Palo Alto, California 94306 (US) WANG, Biao Palo Alto, California 94306 (US) CHERNYAK, Roman Palo Alto, California 94306 (US) CHEN, Lien-Fei Palo Alto, California 94306 (US) XU, Motong Palo Alto, California 94306 (US) XIANG, Ziyue Palo Alto, California 94306 (US) LIU, Shan Palo Alto, California 94306 (US) (74) Representative: Nederlandsch Octrooibureau  P.O. Box 29720 2502 LS The Hague 2502 LS The Hague (NL)