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EP 4 537 549 A1

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(43) Date of publication: 16.04.2025 Bulletin 2025/16 (21) Application number: 23776180.4 (22) Date of filing: 30.08.2023

(51) International Patent Classification (IPC):  H04R 3/00(2006.01) H04R 29/00(2006.01) (52) Cooperative Patent Classification (CPC): H04R 29/002; H04R 3/007; H04R 2430/01 (86) International application number: PCT/US2023/031524 (87) International publication number: WO 2025/048797 (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: KH MA MD TN (71) Applicant: GOOGLE LLC Mountain View CA 94043 (US)	(72) Inventor: The designation of the inventor has not yet been filed  () (74) Representative: Maikowski & Ninnemann Patentanwälte Partnerschaft mbB  Postfach 15 09 20 10671 Berlin 10671 Berlin (DE)