发明名称 |
A METHOD FOR SPEECH CODING, METHOD FOR SPEECH DECODING AND THEIR APPARATUSES |
摘要 |
A high quality speech is reproduced with a small data amount in speech coding and decoding for performing compression coding and decoding of a speech signal to a digital signal. <??>In speech decoding method according to a code-excited linear prediction (CELP) speech, a noise level of a speech in a concerning decoding period is evaluated by using a decoded gain of the speech based on a gain code included in the coded speech. |
申请公布号 |
CA2636552(A1) |
申请公布日期 |
1999.07.08 |
申请号 |
CA19982636552 |
申请日期 |
1998.12.07 |
申请人 |
MITSUBISHI DENKI KABUSHIKI KAISHA |
发明人 |
YAMAURA, TADASHI |
分类号 |
G10L19/12;G10L13/02;G10L19/00;G10L19/14;H03M7/30;H04B14/04 |
主分类号 |
G10L19/12 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|