| 发明名称 |
Excitation vector generating apparatus and speech coding/decoding apparatus |
| 摘要 |
The total number of entries of an algebraic codebook is decreased by liming a random code vector generated from the algebraic codebook, and entries of a random codebook with a large number of pulses are assigned to a decreased portion. Further, the number of entries of the decreased portion is adaptively switched according to a mode.
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| 申请公布号 |
US6928406(B1) |
申请公布日期 |
2005.08.09 |
| 申请号 |
US20000674442 |
申请日期 |
2000.11.01 |
| 申请人 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. |
发明人 |
EHARA HIROYUKI;MORII TOSHIYUKI |
| 分类号 |
G10L19/12;G10L19/00;G10L19/08;G10L19/10;H03M7/30;(IPC1-7):G10L19/12 |
主分类号 |
G10L19/12 |
| 代理机构 |
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