发明申请
US20110038489A1 SYSTEMS, METHODS, APPARATUS, AND COMPUTER-READABLE MEDIA FOR COHERENCE DETECTION
有权
系统，方法，设备和计算机可读介质进行相关检测
- 专利标题： SYSTEMS, METHODS, APPARATUS, AND COMPUTER-READABLE MEDIA FOR COHERENCE DETECTION
- 专利标题（中）： 系统，方法，设备和计算机可读介质进行相关检测
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申请号： US12605158申请日： 2009-10-23
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公开(公告)号： US20110038489A1公开(公告)日： 2011-02-17
- 发明人: Erik Visser , Ian Ernan Liu
- 申请人： Erik Visser , Ian Ernan Liu
- 申请人地址： US CA San Diego
- 专利权人： QUALCOMM Incorporated
- 当前专利权人： QUALCOMM Incorporated
- 当前专利权人地址： US CA San Diego
- 主分类号： H04R3/00
- IPC分类号： H04R3/00
摘要：
Based on phase differences between corresponding frequency components of different channels of a multichannel signal, a measure of directional coherency is calculated. Application of such a measure to voice activity detection and noise reduction are also disclosed.
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