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1. 发明申请

WO2012040898A1 DEVICE AND METHOD FOR POSTPROCESSING DECODED MULTI-CHANNEL AUDIO SIGNAL OR DECODED STEREO SIGNAL 审中-公开
标题翻译：解码多通道音频信号或解码立体信号的装置和方法
公开(公告)号：WO2012040898A1
公开(公告)日：2012-04-05
申请号：PCT/CN2010/077388
申请日：2010-09-28
申请人： HUAWEI TECHNOLOGIES CO., LTD. , LANG, Yue , VIRETTE, David , MIAO, Lei , WU, Wenhai
发明人： LANG, Yue , VIRETTE, David , MIAO, Lei , WU, Wenhai
IPC分类号： G10L19/00 , H01S1/00 , H04S5/00 , H04S3/00
CPC分类号： G10L19/008 , G10L21/0364
摘要： A device (101';201') for postprocessing at least one channel signal of a plurality of channel signals of a multi-channel signal is provided, in which the at least one channel signal is generated from a decoded downmix signal by a low-bit-rate audio coding/decoding system. The device (101';201') comprises: a receiver (103') for receiving the at least one channel signal generated from the decoded downmix signal, a time envelope of the decoded downmix signal, an interchannel time difference between the channel signal and the downmix signal, and a classification indication indicating a transient type of the downmix signal; and a postprocessor (105',213',215') for postprocessing the at least one channel signal based on the time envelope of the decoded downmix signal which is weighted by a respective weighting factor and is in dependence on the classification indication and the interchannel time difference.
摘要翻译：提供了一种用于对多信道信号的多个信道信号的至少一个信道信号进行后处理的装置（101'; 201'），其中通过低通道信号从解码的下混信号产生至少一个信道信号，比特率音频编码/解码系统。设备（101'; 201'）包括：接收器（103'），用于接收从解码的下混合信号产生的至少一个信道信号，解码的下混信号的时间包络，信道信号和降混信号，以及指示下混合信号的瞬时类型的分类指示; 以及后处理器（105'，213'，215'），用于根据解码的下混合信号的时间包络对相应的加权因子进行加权的后处理所述至少一个信道信号，并且依赖于分类指示和通道时间差异。

2. 发明申请

WO2012040897A1 DEVICE AND METHOD FOR POSTPROCESSING DECODED MULTI-CHANNEL AUDIO SIGNAL OR DECODED STEREO SIGNAL 审中-公开
标题翻译：解码多通道音频信号或解码立体信号的装置和方法
公开(公告)号：WO2012040897A1
公开(公告)日：2012-04-05
申请号：PCT/CN2010/077385
申请日：2010-09-28
申请人： HUAWEI TECHNOLOGIES CO., LTD. , VIRETTE, David , LANG, Yue , MIAO, Lei , WU, Wenhai
发明人： VIRETTE, David , LANG, Yue , MIAO, Lei , WU, Wenhai
IPC分类号： G10L19/00 , H04B1/66 , H04H20/88
CPC分类号： G10L19/008 , G10L19/025 , G10L21/0364
摘要： A device and method for postprocessing a decoded multi-channel audio signal or a decoded stereo signal are provided. The device comprises a receiver (103;103') for receiving at least one channel signal generated from the decoded downmix signal, a time envelope of the decoded downmix signal and a classification indication indicating a transient type of the at least one channel signal, wherein the classification indication is associated with the at least one channel signal, and a postprocessor (105;105') for postprocessing the at least one channel signal based on the time envelope of the decoded downmix signal weighted by a respective weighting factor and in dependence of the classification indication.
摘要翻译：提供了用于后处理解码的多声道音频信号或解码的立体声信号的装置和方法。该装置包括用于接收从解码的下混信号产生的至少一个信道信号的接收机（103; 103'），解码的下混合信号的时间包络和指示至少一个信道信号的瞬时类型的分类指示，其中所述分类指示与所述至少一个信道信号相关联，以及后处理器（105; 105'），用于对所述至少一个信道信号进行后处理，所述后处理器基于由相应加权因子加权的所述解码缩混信号的时间包络，并且依赖于分类指示。

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