| 发明名称 |
Inter-Channel Level Difference Processing Method and Apparatus |
| 摘要 |
An inter-channel level difference (ICLD) processing method and apparatus are disclosed. A stereo audio signal is received, and the stereo audio signal is parsed frame by frame, to obtain an ICLD of each sub-band of each subframe of each frame of the stereo audio signal; a sum of absolute values of the ICLDs of each subframe of any frame of the stereo audio signal is calculated; and when an absolute value of a difference between the sums of the absolute values of the ICLDs of each two subframes of the any frame is less than a preset threshold, a weighted ICLD value of each sub-band of the any frame is calculated in a first weighting manner; or otherwise, a weighted ICLD value of each sub-band of the any frame is calculated in a second weighting manner. |
| 申请公布号 |
US2016055856(A1) |
申请公布日期 |
2016.02.25 |
| 申请号 |
US201514931975 |
申请日期 |
2015.11.04 |
| 申请人 |
Huawei Technologies Co., Ltd. |
发明人 |
Zhang Xingtao;Miao Lei |
| 分类号 |
G10L19/008;H04S3/00 |
主分类号 |
G10L19/008 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. An inter-channel level difference (ICLD) processing method, comprising:
receiving a stereo audio signal, and parsing the stereo audio signal frame by frame, to obtain an ICLD of each sub-band of each subframe of each frame of the stereo audio signal, wherein each frame comprises at least two subframes; calculating a sum of absolute values of the ICLDs of each subframe of any frame of the stereo audio signal according to the obtained ICLD of each sub-band of each subframe of each frame of the stereo audio signal; and calculating a weighted ICLD value of each sub-band of the any frame according to the sum of absolute values of the ICLDs of each subframe of any frame of the stereo audio signal. |
| 地址 |
Shenzhen CN |
