发明授权
- 专利标题： Acoustic activity detection apparatus and method
- 专利标题（中）： 声学活动检测装置及方法
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申请号： US14522129申请日： 2014-10-23
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公开(公告)号： US09076447B2公开(公告)日： 2015-07-07
- 发明人: Dibyendu Nandy , Yang Li , Henrick Thomsen , Claus Furst
- 申请人： Knowles Electronics LLC
- 申请人地址： US IL Itasca
- 专利权人： KNOWLES ELECTRONICS, LLC
- 当前专利权人： KNOWLES ELECTRONICS, LLC
- 当前专利权人地址： US IL Itasca
- 代理机构： Fitch, Even, Tabin & Flannery LLP
- 主分类号： G10L15/00
- IPC分类号： G10L15/00 ; G10L15/20
摘要：
Streaming audio is received. The streaming audio includes a frame having plurality of samples. An energy estimate is obtained for the plurality of samples. The energy estimate is compared to at least one threshold. In addition, a band pass estimate of the signal is determined. An energy estimate is obtained for the band-passed plurality of samples. The two energy estimates are compared to at least one threshold each. Based upon the comparison operation, a determination is made as to whether speech is detected.
公开/授权文献
- US20150112673A1 Acoustic Activity Detection Apparatus and Method 公开/授权日：2015-04-23
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