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(11)

EP 4 169 018 A1

(12)

(43) Date of publication: 26.04.2023 Bulletin 2023/17 (21) Application number: 21826871.2 (22) Date of filing: 20.05.2021

(51) International Patent Classification (IPC):  G10L 19/012(2013.01) H04W 76/28(2018.01) G10L 25/78(2013.01) H04S 7/00(2006.01) G10L 19/18(2013.01) G10L 25/21(2013.01) G10L 19/028(2013.01) G06N 20/00(2019.01) (52) Cooperative Patent Classification (CPC): G10L 19/012; G10L 19/008 (86) International application number: PCT/FI2021/050364 (87) International publication number: WO 2021/255328 (23.12.2021 Gazette 2021/51)

(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: 19.06.2020 GB 202009380 (71) Applicant: Nokia Technologies Oy 02610 Espoo (FI)	(72) Inventors: RÄMÖ, Anssi 33720 Tampere (FI) LAAKSONEN, Lasse 33210 Tampere (FI) (74) Representative: Nokia EPO representatives  Nokia Technologies Oy Karakaari 7 02610 Espoo 02610 Espoo (FI)