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EP 3 332 558 A2

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(88) Date of publication A3: 20.04.2017 (43) Date of publication: 13.06.2018 Bulletin 2018/24 (21) Application number: 16763354.4 (22) Date of filing: 05.08.2016

(51) International Patent Classification (IPC):  H04S 7/00(2006.01) H04R 1/10(2006.01) H04R 3/00(2006.01) G10L 21/0272(2013.01) G10L 25/78(2013.01) G10L 21/0216(2013.01) (86) International application number: PCT/US2016/045834 (87) International publication number: WO 2017/027397 (16.02.2017 Gazette 2017/07)

(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: MA MD (30) Priority: 07.08.2015 US 201562202303 P 06.10.2015 US 201562237868 P 17.06.2016 US 201662351499 P (71) Applicant: Cirrus Logic International Semiconductor, Ltd. Quartermile Edinburgh Lothian EH3 9EG (GB)

(72) Inventor: EBENEZER, Samuel Von Parma Tempe, Arizona 85282 (US) (74) Representative: Haseltine Lake LLP  Redcliff Quay 120 Redcliff Street Bristol BS1 6HU Bristol BS1 6HU (GB)