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EP 4 584 958 A1

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(43) Date of publication: 16.07.2025 Bulletin 2025/29 (21) Application number: 23863873.8 (22) Date of filing: 11.09.2023

(51) International Patent Classification (IPC):  H04N 19/117(2014.01) H04N 19/132(2014.01) H04N 19/70(2014.01) H04N 19/82(2014.01) H04N 19/186(2014.01) (52) Cooperative Patent Classification (CPC): H04N 19/117; H04N 19/82; H04N 19/70; H04N 19/132; H04N 19/14; H04N 19/182 (86) International application number: PCT/US2023/032439 (87) International publication number: WO 2024/054686 (14.03.2024 Gazette 2024/11)

(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: KH MA MD TN (30) Priority: 09.09.2022 US 202263405372 P (71) Applicant: Beijing Dajia Internet Information Technology Co., Ltd. Beijing 100085 (CN)

(72) Inventors: KUO, Che-Wei San Diego, CA 92122 (US) CHEN, Wei San Diego, CA 92122 (US) JHU, Hong-Jheng San Diego, California 92122 (US) YAN, Ning San Diego, CA 92122 (US) WANG, Xianglin San Diego, California 92122 (US) YU, Bing Beijing 100085 (CN) MA, Changyue San Diego, CA 92122 (US) XIU, Xiaoyu San Diego, CA 92122 (US) (74) Representative: Mathys & Squire  Theatinerstraße 7 80333 München 80333 München (DE)