发明名称 |
Frame by frame noise removal for use with digital speech signal |
摘要 |
<p>Estimating spectral component corresponding to noise and tonal frequency then applying transformation to the temporal area of spectral subtraction so as to form resultant signal performing harmonic analysis of signal to estimate tonal frequency</p> |
申请公布号 |
FR2768546(A1) |
申请公布日期 |
1999.03.19 |
申请号 |
FR19970011642 |
申请日期 |
1997.09.18 |
申请人 |
MATRA COMMUNICATION |
发明人 |
LOCKWOOD PHILIP;LUBIARZ STEPHANE |
分类号 |
G10L15/20;G10L15/02;G10L21/02;G10L21/0208;G10L21/0232;G10L21/0264;G10L25/90;H04B3/20;(IPC1-7):G10L3/02;G10L7/06 |
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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