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EP 4 771 859 A1

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(43) Date of publication: 08.07.2026 Bulletin 2026/28 (21) Application number: 24858670.3 (22) Date of filing: 29.08.2024

(51) International Patent Classification (IPC):  H04N 19/182(2014.01) (52) Cooperative Patent Classification (CPC): H04N 19/105; H04N 19/176; H04N 19/186; H04N 19/80; H04N 19/503 (86) International application number: PCT/CN2024/115441 (87) International publication number: WO 2025/045138 (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 US 202363579532 P 11.10.2023 US 202363589354 P (71) Applicant: MEDIATEK INC. Hsinchu City 30078 (TW)

(72) Inventors: TSENG, Hsin-Yi Hsinchu City Taiwan 30078 (CN) CHIANG, Man-Shu Hsinchu City Taiwan 30078 (CN) TSAI, Chia-Ming Hsinchu City Taiwan 30078 (CN) CHUANG, Cheng-Yen Hsinchu City Taiwan 30078 (CN) HSU, Chih-Wei Hsinchu City Taiwan 30078 (CN) CHEN, Yi-Wen San Jose California 95134 (US) CHUANG, Tzu-Der Hsinchu City Taiwan 30078 (CN) (74) Representative: Haseltine Lake Kempner LLP  Cheapside House 138 Cheapside London EC2V 6BJ London EC2V 6BJ (GB)