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EP 3 602 538 A2

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(88) Date of publication A3: 22.11.2018 (43) Date of publication: 05.02.2020 Bulletin 2020/06 (21) Application number: 18718353.8 (22) Date of filing: 29.03.2018

(51) International Patent Classification (IPC):  G10K 11/178(2006.01) H04R 1/10(2006.01) (86) International application number: PCT/US2018/025196 (87) International publication number: WO 2018/183714 (04.10.2018 Gazette 2018/40)

(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: 30.03.2017 US 201715473926 30.03.2017 US 201715473889 30.03.2017 US 201715473939 (60) Divisional application: 19201902.4 19201934.7 (71) Applicants: Bose Corporation Framingham, Massachusetts 01701-9168 (US) Cattell, Joseph H. Somerville, Massachusetts 02144 (US) O'Connell, Michael Northborough, Massachusetts 01532 (US) Carreras, Ricardo F. Southborough, Massachusetts 01772 (US) Warkentin, David Boston, Massachusetts 02115 (US)

(72) Inventors: CATTELL, Joseph H. Boston, Massachusetts 02115 (US) O'CONNELL, Michael Boston, Massachusetts 02115 (US) CARRERAS, Ricardo F. Boston, Massachusetts 02115 (US) WARKENTIN, David Boston, Massachusetts 02115 (US) (74) Representative: Attali, Pascal  BOSE Intellectual Property 26-28 avenue de Winchester 78100 Saint Germain en Laye 78100 Saint Germain en Laye (FR)