发明名称 |
METHOD AND APPARATUS FOR JUDGING DTX |
摘要 |
A DTX decision method includes: obtaining sub-band signal(s) according to an input signal; obtaining a variation of characteristic information of each of the sub-band signals; and performing DTX decision according to the variation of the characteristic information of each of the sub-band signals. With the invention, a complete and appreciate DTX decision result is obtained by making full use of the noise characteristic in the speech encoding/decoding bandwidth and using band-splitting and layered processing. As a result, the SID encoding/CNG decoding may closely follow the characteristic variation of the actual noise. |
申请公布号 |
EP2202726(A4) |
申请公布日期 |
2013.01.23 |
申请号 |
EP20080844412 |
申请日期 |
2008.10.21 |
申请人 |
HUAWEI TECHNOLOGIES CO., LTD. |
发明人 |
DAI, JINLIANG;SHLOMOT, EYAL;ZHANG, DEMING |
分类号 |
G10L19/00;G10L19/012;G10L25/78;H04B1/66 |
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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