(19)

(11)

EP 4 817 285 A1

(12)

(43) Date of publication: 07.10.2026 Bulletin 2026/41 (21) Application number: 24898625.9 (22) Date of filing: 26.11.2024

(51) International Patent Classification (IPC):  H04N 19/176(2014.01) H04N 19/186(2014.01) H04N 19/70(2014.01) H04N 19/513(2014.01) (52) Cooperative Patent Classification (CPC): H04N 19/70; H04N 19/52; H04N 19/119; H04N 19/176; H04N 19/54 (86) International application number: PCT/US2024/057415 (87) International publication number: WO 2025/117515 (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: 30.11.2023 US 202363604866 P (71) Applicant: ByteDance Inc. Los Angeles, CA 90066 (US)	(72) Inventors: ZHANG, Kai Los Angeles, California 90066 (US) ZHANG, Li Los Angeles, California 90066 (US) (74) Representative: Marks & Clerk LLP  15 Fetter Lane London EC4A 1BW London EC4A 1BW (GB)