发明名称 |
Non-parametric voice activity detection |
摘要 |
Speech or voice activity in an audio signal is defected without using a speech coder. Pitch period information and signal energy information are extracted from the audio signal, and a decision regarding the presence or absence of voice is made based on that information.
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申请公布号 |
US6023674(A) |
申请公布日期 |
2000.02.08 |
申请号 |
US19980012518 |
申请日期 |
1998.01.23 |
申请人 |
TELEFONAKTIEBOLAGET L M ERICSSON |
发明人 |
MEKURIA, FISSEHA |
分类号 |
G10L11/02;(IPC1-7):G10L7/08 |
主分类号 |
G10L11/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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