发明申请
- 专利标题: HYBRID ECHO CANCELLER CONTROLLERS
- 专利标题(中): 混合式ECHO CANCELLER控制器
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申请号: US11695447申请日: 2007-04-02
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公开(公告)号: US20080240415A1公开(公告)日: 2008-10-02
- 发明人: Asif Iqbal Mohammad , Jack W. Stokes
- 申请人: Asif Iqbal Mohammad , Jack W. Stokes
- 申请人地址: US WA Redmond
- 专利权人: MICROSOFT CORPORATION
- 当前专利权人: MICROSOFT CORPORATION
- 当前专利权人地址: US WA Redmond
- 主分类号: H04M9/08
- IPC分类号: H04M9/08
摘要:
Hybrid echo canceller controllers are described herein. By way of example, a system for controlling an echo canceller can include a cross-correlator, a discriminator and an echo canceller controller. The cross-correlator can be configured to produce a cross-correlation based output that facilitates controlling the echo canceller by cross-correlating two signals associated with the echo canceller. The discriminator can be configured to produce a discriminator output that discriminates between near-end signal and echo in a corrupted signal. The echo canceller controller can be configured to control the echo canceller according to the cross-correlation based output and the discriminator output.
公开/授权文献
- US08019075B2 Hybrid echo canceller controllers 公开/授权日:2011-09-13
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