基本信息:
- 专利标题： ENCODING OF MULTIPLE AUDIO SIGNALS
- 专利标题（中）：编码多个音频信号
- 申请号：PCT/US2016/053799 申请日：2016-09-26
- 公开(公告)号：WO2017087073A1 公开(公告)日：2017-05-26
- 发明人： ATTI, Venkatraman , CHEBIYYAM, Venkata Subrahmanyam Chandra Sekhar , SINDER, Daniel Jared
- 申请人： QUALCOMM INCORPORATED
- 申请人地址： ATTN: International IP Administration 5775 Morehouse Drive San Diego, California 92121-1714 US
- 专利权人： QUALCOMM INCORPORATED
- 当前专利权人： QUALCOMM INCORPORATED
- 当前专利权人地址： ATTN: International IP Administration 5775 Morehouse Drive San Diego, California 92121-1714 US
- 代理机构： MOORE, JASON L.
- 优先权： US62/258,369 20151120; US15/274,041 20160923
- 主分类号： G10L19/008
- IPC分类号： G10L19/008 ; G10L25/51 ; G10L25/06 ; G10L21/00
摘要：
A device includes an encoder. The encoder is configured to receive two audio channels. The encoder is also configured to determine a mismatch value indicative of an amount of a temporal mismatch between the two audio channels. The encoder is further configured to determine, based on the mismatch value, at least one of a target channel or a reference channel. The target channel corresponds to a lagging audio channel of the two audio channels and the reference channel corresponds to a leading audio channel of the two audio channels. The encoder is also configured to generate a modified target channel by adjusting the target channel based on the offset value. The encoder is further configured to generate at least one encoded channel based on the reference channel and the modified target channel.
摘要（中）：
一个设备包含一个编码器。 编码器被配置为接收两个音频通道。 编码器还被配置为确定指示两个音频通道之间的时间失配量的失配值。 编码器还被配置为基于失配值来确定目标通道或参考通道中的至少一个。 目标通道对应于两个音频通道中的滞后音频通道，并且参考通道对应于两个音频通道中的引导音频通道。 编码器还被配置为通过基于偏移值调整目标通道来生成修改后的目标通道。 编码器还被配置为基于参考通道和修改的目标通道生成至少一个编码通道。
IPC结构图谱:
| G | 物理 |
| --G10 | 乐器；声学 |
| ----G10L | 语言分析或合成；语言识别 |
| ------G10L19/00 | 用于冗余度下降情形的语音分析—合成技术；语音编码或解码 |
| --------G10L19/008 | .多通道音频信号编码和解码，即采用通道间的相关性以减少冗余度，例如联合立体声，强度编码或矩阵变换 |