FEEDBACK ADAPTIVE NOISE CANCELLATION (ANC) CONTROLLER AND METHOD HAVING A FEEDBACK RESPONSE PARTIALLY PROVIDED BY A FIXED-RESPONSE FILTER - Patent 3338279

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EP 3 338 279 A1

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(43)	Date of publication:
	27.06.2018 Bulletin 2018/26

(21)	Application number: 16763937.6

(22)	Date of filing: 19.08.2016

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International Patent Classification (IPC):

G10K 11/178^(2006.01)

G10L 21/028^(2013.01)

(86)	International application number:
	PCT/IB2016/001234

(87)	International publication number:
	WO 2017/029550 (23.02.2017 Gazette 2017/08)

(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

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Priority:

20.08.2015 US 201562207657 P

(71)	Applicant: Cirrus Logic International Semiconductor Ltd.
	Quartermile Edinburgh EH3 9EG (GB)

(72)	Inventors:
	LU, Yang Cedar Park, TX 78613 (US) HELLMAN, Ryan, A. Austin TX 78746 (US) ZHOU, Dayong Austin, TX 78738 (US)

(74)	Representative: Knöner, Gregor et al
	Kahler Käck Mollekopf Partnerschaft von Patentanwälten mbB Vorderer Anger 239 86899 Landsberg am Lech 86899 Landsberg am Lech (DE)

(54)	FEEDBACK ADAPTIVE NOISE CANCELLATION (ANC) CONTROLLER AND METHOD HAVING A FEEDBACK RESPONSE PARTIALLY PROVIDED BY A FIXED-RESPONSE FILTER