专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

EP2954697B1 METHOD FOR RENDERING A STEREO SIGNAL 有权
标题翻译： VERFAHREN ZUR DARSTELLUNG EINES STEREOSIGNALS
公开(公告)号：EP2954697B1
公开(公告)日：2017-05-03
申请号：EP13705944
申请日：2013-02-06
申请人： HUAWEI TECH CO LTD
发明人： FALLER CHRISTOF , VIRETTE DAVID , LANG YUE
IPC分类号： H04R5/04 , H04S1/00 , H04S7/00
CPC分类号： H04R5/04 , H04R2205/021 , H04R2499/11 , H04S1/007 , H04S7/303 , H04S2420/03

2. 发明公开

EP2612322A4 METHOD AND APPARATUS FOR ENCODING/DECODING MULTICHANNEL AUDIO SIGNAL 有权
标题翻译： VERFAHREN UND VORRICHTUNG ZUR KODIERUNG / DEKODIERUNG VON MEHRKANALTONSIGNALEN
公开(公告)号：EP2612322A4
公开(公告)日：2013-08-14
申请号：EP10858033
申请日：2010-10-05
申请人： HUAWEI TECH CO LTD
发明人： VIRETTE DAVID , LANG YUE , XU JIANFENG
IPC分类号： G10L19/008 , G10L19/00 , H04S3/02
CPC分类号： G10L19/008 , G10L25/06

3. 发明公开

EP2609589A4 DEVICE AND METHOD FOR POSTPROCESSING DECODED MULTI-CHANNEL AUDIO SIGNAL OR DECODED STEREO SIGNAL 有权
标题翻译： DEVICE AND METHOD FOR POST解码多声道音频信号或解码立体声信号
公开(公告)号：EP2609589A4
公开(公告)日：2014-08-20
申请号：EP10857660
申请日：2010-09-28
申请人： HUAWEI TECH CO LTD
发明人： VIRETTE DAVID , LANG YUE , MIAO LEI , WU WENHAI
IPC分类号： G10L19/008 , G10L19/02 , G10L19/025 , G10L21/02 , H04B1/66 , H04H20/88
CPC分类号： G10L19/008 , G10L19/025 , G10L21/0364
摘要： According to the invention, a device (101, 101′) for postprocessing at least one channel signal of a plurality of channel signals of a multi-channel signal is described, the at least one channel signal being generated from a decoded downmix signal by a low-bit-rate audio coding/decoding system, the device comprising: a receiver (103; 103′) for receiving the 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 to 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 on the classification indication.

4. 发明公开

EP2710592A4 METHOD AND APPARATUS FOR PROCESSING A MULTI-CHANNEL AUDIO SIGNAL 有权
标题翻译：方法和设备，用于处理MEHRKANALTONSIGNALS
公开(公告)号：EP2710592A4
公开(公告)日：2014-04-16
申请号：EP11867249
申请日：2011-07-15
申请人： HUAWEI TECH CO LTD
发明人： TALEB ANISSE , VIRETTE DAVID , PANG LIYUN , LANG YUE
IPC分类号： G10L21/04 , G10L19/008 , G10L19/16 , G10L21/055
CPC分类号： G10L19/008 , G10L19/167 , G10L21/04 , G10L21/055
摘要： The invention relates to a method for processing a multi-channel audio signal which carries a plurality of audio channel signals. The method comprises determining a time-scaling position using the plurality of audio channel signals and time-scaling each audio channel signal of the plurality of audio channel signals according to the time-scaling position to obtain a plurality of time scaled audio channel signals.

5. 发明公开

EP2722845A4 METHOD AND DEVICE FOR GENERATING AND RESTORING DOWNMIX SIGNAL 有权
标题翻译：方法和设备的生产和混频信号恢复DOWN
公开(公告)号：EP2722845A4
公开(公告)日：2014-08-13
申请号：EP12834659
申请日：2012-09-27
申请人： HUAWEI TECH CO LTD
发明人： WU WENHAI , MIAO LEI , LANG YUE , VIRETTE DAVID
IPC分类号： G10L19/008 , G10L19/02
CPC分类号： H04S3/02 , G10L19/008 , G10L19/02

6. 发明公开

EP2759148A4 A METHOD AND AN APPARATUS FOR GENERATING AN ACOUSTIC SIGNAL WITH AN ENHANCED SPATIAL EFFECT 审中-公开
标题翻译：方法和装置用于产生声信号，改进的空间效果
公开(公告)号：EP2759148A4
公开(公告)日：2014-10-08
申请号：EP11872815
申请日：2011-09-19
申请人： HUAWEI TECH CO LTD
发明人： FALLER CHRISTOF , VIRETTE DAVID , LANG YUE
IPC分类号： H04S1/00 , H04S5/00
CPC分类号： H04S7/307 , H04R2499/11 , H04S1/002 , H04S5/005

7. 发明公开

EP2612321A4 DEVICE AND METHOD FOR POSTPROCESSING DECODED MULTI-CHANNEL AUDIO SIGNAL OR DECODED STEREO SIGNAL 有权
标题翻译： DEVICE AND METHOD FOR POST解码多声道音频信号或解码立体声信号
公开(公告)号：EP2612321A4
公开(公告)日：2014-08-27
申请号：EP10857661
申请日：2010-09-28
申请人： HUAWEI TECH CO LTD
发明人： LANG YUE , VIRETTE DAVID , MIAO LEI , WU WENHAI
IPC分类号： G10L19/008 , G10L19/26 , G10L21/0364 , H01S1/00 , H04S3/00 , H04S5/00
CPC分类号： G10L19/008 , G10L21/0364
摘要： According to the invention, a device for post-processing at least one channel signal of a plurality of channel signals of a multi-channel signal is described, the at least one channel signal being generated from a decoded downmix signal by a low-bit-rate audio coding/decoding system, the device comprising: a receiver 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 post-processor for post-processing 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 on the classification indication and the interchannel time difference.

8. 发明公开

EP2671323A4 METHOD AND APPARATUS FOR PROVIDING SIGNAL PROCESSING COEFFICIENTS 有权
标题翻译： VERFAHREN UND VORRICHTUNG ZUR BEREITSTELLUNG VON SIGNALVERARBEITUNGSKOEFFIZIENTEN
公开(公告)号：EP2671323A4
公开(公告)日：2014-04-02
申请号：EP11857942
申请日：2011-02-01
申请人： HUAWEI TECH CO LTD
发明人： TALEB ANISSE , XU JIANFENG , VIRETTE DAVID
IPC分类号： G10L25/12 , G10L19/06 , G10L19/08 , G10L25/06 , H03H17/06 , H04L29/06
CPC分类号： H04L29/0651 , G10L19/06 , G10L19/08 , G10L25/06 , G10L25/12
摘要： A method and apparatus for providing signal processing coefficients for processing an input signal at a predetermined signal processing sampling rate, wherein the input signal is received at an input signal sampling rate, the method comprising the steps of computing a correlation or covariance function based on the received input signal at the input signal sampling rate to provide correlation or covariance coefficients at the input signal sampling rate, re-sampling the computed correlation or covariance coefficients having the input signal sampling rate to provide correlation or covariance coefficients at the predetermined signal processing sampling rate, and calculating the signal processing coefficients based on the correlation or covariance coefficients at the predetermined signal processing sampling rate.
摘要翻译：一种用于提供用于以预定信号处理采样率处理输入信号的信号处理系数的方法和装置，其中以输入信号采样率接收输入信号，该方法包括以下步骤：基于以输入信号采样率接收输入信号，以在输入信号采样率下提供相关或协方差系数，对具有输入信号采样率的计算的相关或协方差系数进行重新采样，以在预定信号处理采样率下提供相关或协方差系数，并且基于在预定信号处理采样率下的相关或协方差系数来计算信号处理系数。

9. 发明公开

EP2664062A4 A METHOD AND AN APPARATUS FOR VOICE QUALITY ENHANCEMENT 有权
标题翻译：方法和设备提高质量VOICE
公开(公告)号：EP2664062A4
公开(公告)日：2013-11-20
申请号：EP11855669
申请日：2011-01-14
申请人： HUAWEI TECH CO LTD
发明人： TALEB ANISSE , VIRETTE DAVID , XU JIANFENG
IPC分类号： H03G9/02
CPC分类号： G10L21/0208 , G10L21/02 , G10L25/69 , H04Q3/00
摘要： A voice quality enhancement (VQE) detector for a network element receiving an audio signal from a previous network element of a network, wherein said voice quality enhancement detector is adapted: to perform a voice quality enhancement detection based on the received audio signal, wherein said voice quality enhancement detection comprises detecting that at least one voice quality enhancement function, VQEF, was applied to the received audio signal by at least one previous network element of the network; and to control a voice quality enhancement processing of the received audio signal depending on the detection result.

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式