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(11)

EP 4 681 445 A1

(12)

(43) Date of publication: 21.01.2026 Bulletin 2026/04 (21) Application number: 24771289.6 (22) Date of filing: 27.02.2024

(51) International Patent Classification (IPC):  H04R 17/00(2006.01) H04R 31/00(2006.01) G10K 9/122(2006.01) H04R 7/14(2006.01) B06B 1/06(2006.01) (52) Cooperative Patent Classification (CPC): G10K 9/122; H04R 31/003; H04R 7/14; H04R 2201/003; H04R 17/00; B06B 1/0622 (86) International application number: PCT/SE2024/050181 (87) International publication number: WO 2024/191334 (19.09.2024 Gazette 2024/38)

(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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: GE KH MA MD TN (30) Priority: 14.03.2023 SE 2350283 (71) Applicant: Myvox AB 111 56 Stockholm (SE)	(72) Inventors: HANSSON, Josef 162 64 Vällingby (SE) WÅRDH, Jonatan 170 76 Solna (SE) (74) Representative: Brann AB  P.O. Box 3690 Sveavägen 63 103 59 Stockholm 103 59 Stockholm (SE)