发明名称 |
Pitch detection method and apparatus |
摘要 |
A pitch detection method and apparatus are disclosed. The method includes: performing pitch detection on an input signal in a signal domain, and obtaining a candidate pitch; performing linear prediction (LP) on the input signal, and obtaining an LP residual signal; setting a candidate pitch range that includes the candidate pitch; searching the candidate pitch range for the LP residual signal, and obtaining a selected pitch.
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申请公布号 |
US2010211384(A1) |
申请公布日期 |
2010.08.19 |
申请号 |
US20100798715 |
申请日期 |
2010.04.09 |
申请人 |
HUAWEI TECHNOLOGIES CO., LTD. |
发明人 |
QI FENGYAN;ZHANG DEJUN;MIAO LEI;XU JIANFENG;TADDEI HERVE MARCEL;ZHANG QING;GAO YANG |
分类号 |
G10L11/04;G10L19/00;G10L19/08;G10L19/09;G10L21/00;G10L25/90 |
主分类号 |
G10L11/04 |
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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