(19)

(11)

EP 3 991 170 A1

(12)

(43) Date of publication: 04.05.2022 Bulletin 2022/18 (21) Application number: 20833011.8 (22) Date of filing: 15.06.2020

(51) International Patent Classification (IPC):  G10L 19/22(2013.01) H04S 7/00(2006.01) G10L 19/24(2013.01) G10L 19/18(2013.01) (52) Cooperative Patent Classification (CPC): G10L 19/008; H04S 2420/11; H04S 2420/03 (86) International application number: PCT/FI2020/050423 (87) International publication number: WO 2020/260756 (30.12.2020 Gazette 2020/53)

(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: 25.06.2019 GB 201909138 (71) Applicant: Nokia Technologies Oy 02610 Espoo (FI)	(72) Inventor: VASILACHE, Adriana 33580 Tampere (FI) (74) Representative: Nokia EPO representatives  Nokia Technologies Oy Karakaari 7 02610 Espoo 02610 Espoo (FI)