(19)

(11)

EP 4 222 977 A1

(12)

(43) Date of publication: 09.08.2023 Bulletin 2023/32 (21) Application number: 21874641.0 (22) Date of filing: 28.07.2021

(51) International Patent Classification (IPC):  H04N 21/2365(2011.01) H04N 19/436(2014.01) H04N 19/174(2014.01) H04N 7/15(2006.01) H04N 21/234(2011.01) H04N 19/167(2014.01) H04N 19/597(2014.01) H04N 7/18(2006.01) (52) Cooperative Patent Classification (CPC): H04N 21/234; H04N 21/2365; H04N 19/31; H04N 7/152 (86) International application number: PCT/FI2021/050541 (87) International publication number: WO 2022/069790 (07.04.2022 Gazette 2022/14)

(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: 30.09.2020 FI 20205949 (71) Applicant: Nokia Technologies Oy 02610 Espoo (FI)	(72) Inventor: HANNUKSELA, Miska, Matias 33610 Tampere (FI) (74) Representative: Nokia EPO representatives  Nokia Technologies Oy Karakaari 7 02610 Espoo 02610 Espoo (FI)