(19)

(11)

EP 4 771 876 A1

(12)

(43) Date of publication: 08.07.2026 Bulletin 2026/28 (21) Application number: 24759064.9 (22) Date of filing: 08.08.2024

(51) International Patent Classification (IPC):  H04R 5/033(2006.01) (52) Cooperative Patent Classification (CPC): H04R 5/0335; G02C 2200/02 (86) International application number: PCT/DK2024/050185 (87) International publication number: WO 2025/045320 (06.03.2025 Gazette 2025/10)

(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: 29.08.2023 DK PA202330172 29.08.2023 DK PA202330174 (71) Applicant: BANG & OLUFSEN A/S 7600 Struer (DK)	(72) Inventor: HOCK HO, Tee Singapore 417642 (SG) (74) Representative: Patrade A/S  Ceresbyen 75 8000 Aarhus C 8000 Aarhus C (DK)