(19)

(11)

EP 3 721 630 A1

(12)

(43) Date of publication: 14.10.2020 Bulletin 2020/42 (21) Application number: 18779974.7 (22) Date of filing: 14.09.2018

(51) International Patent Classification (IPC):  H04N 19/91(2014.01) H04N 19/13(2014.01) H04N 19/176(2014.01) H04N 19/42(2014.01) (86) International application number: PCT/US2018/051041 (87) International publication number: WO 2019/112669 (13.06.2019 Gazette 2019/24)

(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: 08.12.2017 US 201715835501 12.07.2018 US 201816033582 (71) Applicant: Google LLC Mountain View, CA 94043 (US)	(72) Inventors: KUUSELA, Aki Mountain View California 94043 (US) HE, Dake Mountain View California 94043 (US) (74) Representative: Williams, Michael David et al Marks & Clerk LLP 1 New York Street Manchester M1 4HD Manchester M1 4HD (GB)