发明名称 |
Noise-resistant utterance detector |
摘要 |
A method and detector for providing a noise resistant utterance detector is provided by extracting a noise estimate ( 15 ) to augment the signal-to-noise ratio of the speech signal, inverse filtering ( 17 ) of the speech signal to focus on the periodic excitation part of the signal and spectral reshaping ( 19 ) to accentuate separation between formants.
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申请公布号 |
US7451082(B2) |
申请公布日期 |
2008.11.11 |
申请号 |
US20030649270 |
申请日期 |
2003.08.27 |
申请人 |
TEXAS INSTRUMENTS INCORPORATED |
发明人 |
GONG YIFAN;BERNARD ALEXIS P. |
分类号 |
G10L15/20;G10L11/02;G10L21/02 |
主分类号 |
G10L15/20 |
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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