发明名称 |
MULTI-MODE VOICE ENCODING DEVICE AND DECODING DEVICE |
摘要 |
<p>Square sum calculator 603 calculates a square sum of evolution in smoothed quantized LSP parameter for each order. A first dynamic parameter is thereby obtained. Square sum calculator 605 calculates a square sum using a square value of each order. The square sum is a second dynamic parameter. Maximum value calculator 606 selects a maximum value from among square values for each order. The maximum value is a third dynamic parameter. The first to third dynamic parameters are output to mode determiner 607, which determines a speech mode by judging the parameters with respective thresholds to output mode information. <IMAGE></p> |
申请公布号 |
EP1164580(A4) |
申请公布日期 |
2005.09.14 |
申请号 |
EP20010900640 |
申请日期 |
2001.01.10 |
申请人 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. |
发明人 |
EHARA, HIROYUKI |
分类号 |
G10L19/07;G10L19/18;(IPC1-7):G10L19/04;G10L19/12;G10L101/12 |
主分类号 |
G10L19/07 |
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