发明授权
- 专利标题: Echo cancellation
- 专利标题(中): 回声取消
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申请号: US11745568申请日: 2007-05-08
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公开(公告)号: US08175260B2公开(公告)日: 2012-05-08
- 发明人: James Oliver Normile , Ryan R. Salsbury
- 申请人: James Oliver Normile , Ryan R. Salsbury
- 申请人地址: US CA Cupertino
- 专利权人: Apple Inc.
- 当前专利权人: Apple Inc.
- 当前专利权人地址: US CA Cupertino
- 代理机构: Schwegman, Lundberg & Woessner, P.A.
- 主分类号: H04M9/08
- IPC分类号: H04M9/08
摘要:
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.
公开/授权文献
- US20070206779A1 ECHO CANCELLATION 公开/授权日:2007-09-06
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