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EP 3 762 923 A1

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(43) Date of publication: 13.01.2021 Bulletin 2021/02 (21) Application number: 18723570.0 (22) Date of filing: 08.03.2018

(51) International Patent Classification (IPC):  G10L 21/028(2013.01) G10L 19/02(2013.01) G10L 19/008(2013.01) (86) International application number: PCT/FI2018/050171 (87) International publication number: WO 2019/170955 (12.09.2019 Gazette 2019/37)

(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 (71) Applicant: Nokia Technologies Oy 02610 Espoo (FI)	(72) Inventors: VILERMO, Miikka 37200 Siuro (FI) LAAKSONEN, Lasse Juhani 33210 Tampere (FI) TAMMI, Mikko 33310 Tampere (FI) VILKAMO, Juha Tapio 00120 Helsinki (FI) LAITINEN, Mikko-Ville 00210 Helsinki (FI) VASILACHE, Adriana 33580 Tampere (FI) (74) Representative: Nokia EPO representatives  Nokia Technologies Oy Karakaari 7 02610 Espoo 02610 Espoo (FI)