发明名称 |
AUDIO CODING METHOD AND DEVICE |
摘要 |
<p>An audio coding method and apparatus are disclosed, where the method includes: dividing an input audio signal into a low-band signal and a high-band signal; identifying types of the low-band signal and the high-band signal; adaptively allocating a total input rate of the audio signal to the low-band signal and the high-band signal according to different coding modes corresponding to the low-band signal and the high-band signal; and coding the low-band signal through a coding mode corresponding to the low-band signal according to the low-band rate, and coding the high-band signal through a coding mode corresponding to the high-band signal according to the high-band rate. In embodiments of the present application, when the low-band signal and the high-band signal are coded, the coding is not performed according to a rate given in the standard or set before the coding, and coding rates are adaptively adjusted according to different types of the signals, thereby improving overall audio coding performance.</p> |
申请公布号 |
EP2647974(A1) |
申请公布日期 |
2013.10.09 |
申请号 |
EP20110863610 |
申请日期 |
2011.12.28 |
申请人 |
HUAWEI TECHNOLOGIES CO., LTD. |
发明人 |
MIAO, LEI;LIU, ZEXIN;QI, FENGYAN |
分类号 |
G10L19/002;G10L19/02;G10L19/18 |
主分类号 |
G10L19/002 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|