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(11)

EP 4 268 458 A1

(12)

(43) Date of publication: 01.11.2023 Bulletin 2023/44 (21) Application number: 21848074.7 (22) Date of filing: 22.12.2021

(51) International Patent Classification (IPC):  H04N 19/117(2014.01) H04N 19/82(2014.01) H04N 19/136(2014.01) (52) Cooperative Patent Classification (CPC): H04N 19/117; H04N 19/136; H04N 19/82 (86) International application number: PCT/US2021/064898 (87) International publication number: WO 2022/140567 (30.06.2022 Gazette 2022/26)

(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 MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 23.12.2020 US 202063130275 P 11.02.2021 US 202163148538 P 21.12.2021 US 202117557706 (71) Applicant: QUALCOMM Incorporated San Diego, California 92121-1714 (US)

(72) Inventors: KARCZEWICZ, Marta San Diego, California 92121-1714 (US) HU, Nan San Diego, California 92121-1714 (US) SEREGIN, Vadim San Diego, California 92121-1714 (US) (74) Representative: Howe, Steven  Reddie & Grose LLP The White Chapel Building 10 Whitechapel High Street London E1 8QS London E1 8QS (GB)