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1. (WO2017035000) HYBRID ADAPTIVE NOISE CANCELLATION SYSTEM WITH FILTERED ERROR MICROPHONE SIGNAL

Pub. No.:    WO/2017/035000    International Application No.:    PCT/US2016/047828
Publication Date: Fri Mar 03 00:59:59 CET 2017 International Filing Date: Sat Aug 20 01:59:59 CEST 2016
IPC: G10K 11/178
H04R 1/10
Applicants: CIRRUS LOGIC INTERNATIONAL SEMICONDUCTOR, LTD.
ZHOU, Dayong
Inventors: ZHOU, Dayong
LU, Yang
LI, Ning
KWATRA, Nitin
MILLER, Antonio J.
Title: HYBRID ADAPTIVE NOISE CANCELLATION SYSTEM WITH FILTERED ERROR MICROPHONE SIGNAL
Abstract:
In accordance with systems and methods of the present disclosure, a hybrid feed-forward/feedback adaptive noise cancellation system may include an alignment filter configured to correct misalignment of a reference microphone signal and an error microphone signal by generating a misalignment correction signal from a playback-corrected error signal.