发明名称 |
Method for speech detection in a high-noise environment |
摘要 |
In method for detecting a speech period in a high-noise environment, the variation in the spectrum of an input signal per unit time is calculated over an analysis frame period, and when the frequency of spectrum variation falls in a predetermined range, the input signal of that frame is decided to be a speech signal. <IMAGE> |
申请公布号 |
EP0764937(A3) |
申请公布日期 |
1998.06.17 |
申请号 |
EP19960115241 |
申请日期 |
1996.09.23 |
申请人 |
NIPPON TELEGRAPH AND TELEPHONE CORPORATION |
发明人 |
MIZUNO, OSAMU;TAKAHASHI, SATOSHI;SAGAYAMA, SHIGEKI |
分类号 |
G10L11/02;G10L15/04 |
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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