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(11)

EP 4 476 918 A1

(12)

(43) Date of publication: 18.12.2024 Bulletin 2024/51 (21) Application number: 23708337.3 (22) Date of filing: 09.02.2023

(51) International Patent Classification (IPC):  H04R 1/10(2006.01) H04R 1/28(2006.01) H04R 25/00(2006.01) (52) Cooperative Patent Classification (CPC): H04R 2225/0216; H04R 25/654; H04R 1/1083; H04R 2460/01; H04R 1/1016; H04R 1/2823; H04R 2460/11 (86) International application number: PCT/US2023/012688 (87) International publication number: WO 2023/154383 (17.08.2023 Gazette 2023/33)

(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: KH MA MD TN (30) Priority: 11.02.2022 US 202217670046 (71) Applicant: Bose Corporation Framingham, Massachusetts 01701 (US)	(72) Inventors: KELLY, Liam Robert Framingham, Massachusetts 01701 (US) DALEY, Michael J. Framingham, Massachusetts 01701 (US) GADRE, Ninad Ravindra Framingham, Massachusetts 01701 (US) (74) Representative: Attali, Pascal  Bose Intellectual Property 26-28 Avenue de Winchester 78100 Saint Germain en Laye 78100 Saint Germain en Laye (FR)