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EP 4 817 281 A1

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(43) Date of publication: 07.10.2026 Bulletin 2026/41 (21) Application number: 24735816.1 (22) Date of filing: 30.05.2024

(51) International Patent Classification (IPC):  H04N 19/126(2014.01) H04N 19/593(2014.01) H04N 19/176(2014.01) (52) Cooperative Patent Classification (CPC): H04N 19/176; H04N 19/126; H04N 19/593 (86) International application number: PCT/US2024/031637 (87) International publication number: WO 2025/116967 (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: 01.12.2023 US 202363605333 P (71) Applicant: Tencent America LLC Palo Alto, California 94306 (US)

(72) Inventors: XU, Motong Palo Alto, California 94306 (US) CHERNYAK, Roman Palo Alto, California 94306 (US) WANG, Biao Palo Alto, California 94306 (US) CHEN, Lien-Fei Palo Alto, California 94306 (US) YOON, Yonguk Palo Alto, California 94306 (US) XIANG, Ziyue Palo Alto, California 94306 (US) TANG, Minhao Palo Alto, California 94306 (US) LIU, Shan Palo Alto, California 94306 (US) (74) Representative: Gunzelmann, Rainer  Wuesthoff & Wuesthoff Patentanwälte und Rechtsanwalt PartG mbB Schweigerstraße 2 81541 München 81541 München (DE)