发明名称 |
Speech encoding apparatus, speech encoding method, speech decoding apparatus, and speech decoding method |
摘要 |
The present invention comprises: first periodicity providing means for emphasizing periodicity of a fixed code vector output from at least one fixed excitation code book by use of a first periodicity emphasis coefficient adaptively determined based on a predetermined rule; and second periodicity providing means for emphasizing periodicity of a fixed code vector output from at least one fixed excitation code book by use of a predetermined second periodicity emphasis coefficient.
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申请公布号 |
US2002128829(A1) |
申请公布日期 |
2002.09.12 |
申请号 |
US20020083556 |
申请日期 |
2002.02.27 |
申请人 |
YAMAURA TADASHI;TASAKI HIROHISA |
发明人 |
YAMAURA TADASHI;TASAKI HIROHISA |
分类号 |
G10L19/00;G10L19/04;G10L19/12;H03M7/30;(IPC1-7):G10L19/12 |
主分类号 |
G10L19/00 |
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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