发明名称 |
LPC VECTOR QUANTIZATION APPARATUS |
摘要 |
LPC code vectors are preliminarily selected out of many LOPC code vectors stored in an LSF code book (101) with a weighting Euclid distance as a measure, and LPC code vectors left after the preliminary selection are subjected to code-final-selection with distortion amount in spectrum space as a measure, whereby enhancing the quantizing performance of a vector quantizing device for LPC parameters to thereby improve the quality of synthesized voice in a voice coding/decoding device. |
申请公布号 |
CA2429832(A1) |
申请公布日期 |
2002.06.06 |
申请号 |
CA20012429832 |
申请日期 |
2001.11.29 |
申请人 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.;NIPPON TELEGRAPH AND TELEPHONE CORPORATION |
发明人 |
HIWASAKI, YUSUKE;YASUNAGA, KAZUTOSHI;MANO, KAZUNORI;MORII, TOSHIYUKI;EHARA, HIROYUKI |
分类号 |
G10L19/00;G10L19/06;H03M7/30;(IPC1-7):G10L19/04;G10L19/12 |
主分类号 |
G10L19/00 |
代理机构 |
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代理人 |
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