Invention Grant
- Patent Title: Echo cancellation
- Patent Title (中): 回声取消
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Application No.: US11745568Application Date: 2007-05-08
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Publication No.: US08175260B2Publication Date: 2012-05-08
- Inventor: James Oliver Normile , Ryan R. Salsbury
- Applicant: James Oliver Normile , Ryan R. Salsbury
- Applicant Address: US CA Cupertino
- Assignee: Apple Inc.
- Current Assignee: Apple Inc.
- Current Assignee Address: US CA Cupertino
- Agency: Schwegman, Lundberg & Woessner, P.A.
- Main IPC: H04M9/08
- IPC: H04M9/08
Abstract:
A method, apparatus, system, and signal-bearing medium that in an embodiment determine a degree of correlation between a speaker output signal and a microphone input signal and modulate an adaptive gain of an acoustic echo canceller based on the degree of correlation.
Public/Granted literature
- US20070206779A1 ECHO CANCELLATION Public/Granted day:2007-09-06
Information query
