发明名称 |
TRANSMISSION SYSTEM AND METHOD FOR ENCODING SPEECH WITH IMPROVED PITCH DETECTION |
摘要 |
A transmission system contains a speech coder which utilizes a pitch detector that is arranged to select a characteristic auxiliary signal portion from the signal to be coded in order to improve the quality of the pitch detection. The pitch is found by searching in the speech signal for signal portions that correspond to the characteristics auxiliary signal portion and by calculating the time difference between the respective signal portions. |
申请公布号 |
EP0770254(A2) |
申请公布日期 |
1997.05.02 |
申请号 |
EP19960910162 |
申请日期 |
1996.05.07 |
申请人 |
PHILIPS ELECTRONICS N.V. |
发明人 |
TAORI, RABESH;SLUIJTER, ROBERT, JOHANNES;KATHMANN, ERIC |
分类号 |
G10L25/06;G10L25/90;(IPC1-7):G10L3/00 |
主分类号 |
G10L25/06 |
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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