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1. 发明申请

WO2009031870A1 A METHOD AND AN APPARATUS OF DECODING AN AUDIO SIGNAL 审中-公开
标题翻译：一种解码音频信号的方法和装置
公开(公告)号：WO2009031870A1
公开(公告)日：2009-03-12
申请号：PCT/KR2008/005291
申请日：2008-09-08
申请人： LG ELECTRONICS INC. , OH, Hyun O , LEE, Myung Hoon , JUNG, Yang Won , FALLER, Christof
发明人： OH, Hyun O , LEE, Myung Hoon , JUNG, Yang Won , FALLER, Christof
IPC分类号： G10L19/00
CPC分类号： G10L21/0272 , G10L19/008 , G10L21/00
摘要： A method of decoding an audio signal is disclosed, The present invention includes the steps of receiving the audio signal having a plurality of channel signals including an ambient component signal and a source component signal, extracting the ambient component signal and the source component signal of each of the channels based on correlation between the channel signals, modifying the ambient component signal using surround effect information, and generating the audio signal including a plurality of channels using the modified ambient component signal and the source component signal. Accordingly, in an apparatus for decoding an audio signal and method thereof according to the present invention, an ambient component signal is extracted and modified based on correlation and the modified ambient and source component signals are outputted using different signal output units, respectively. Therefore, the present invention enhances a stereo effect of the audio signal. And, a signal output unit for outputting a ambient component signal is arranged to have an output direction different from that of another signal output unit for outputting a source component signal, whereby a listener can be provided with an audio signal of which ambient sound is enhanced.
摘要翻译：公开了一种解码音频信号的方法，本发明包括以下步骤：接收具有多个信道信号的音频信号，包括环境分量信号和源分量信号，提取每个信号的环境分量信号和源分量信号基于信道信号之间的相关性，使用环绕效果信息修改环境分量信号，以及使用修改的环境分量信号和源分量信号来生成包括多个信道的音频信号。因此，在根据本发明的用于解码音频信号的装置及其方法中，基于相关性提取和修改环境分量信号，并且分别使用不同的信号输出单元输出修改的环境和源分量信号。因此，本发明增强了音频信号的立体效果。并且，用于输出环境分量信号的信号输出单元被布置成具有与用于输出源分量信号的另一信号输出单元的输出方向不同的输出方向，从而可以向收听者提供其环境声音被增强的音频信号。

2. 发明申请

WO2009031871A2 A METHOD AND AN APPARATUS OF DECODING AN AUDIO SIGNAL 审中-公开
标题翻译：一种解码音频信号的方法和装置
公开(公告)号：WO2009031871A2
公开(公告)日：2009-03-12
申请号：PCT/KR2008/005292
申请日：2008-09-08
申请人： LG ELECTRONICS INC. , OH, Hyun O , LEE, Myung Hoon , JUNG, Yang Won , FALLER, Christof
发明人： OH, Hyun O , LEE, Myung Hoon , JUNG, Yang Won , FALLER, Christof
IPC分类号： G10L19/00
CPC分类号： G10L21/0272 , G10L19/008 , G10L21/00
摘要： The present invention includes an audio signal receiving unit receiving the audio signal having a plurality of channel signals including an ambient component signal and a source component signal; an ambient component signal extracting unit extracting the ambient component signal of each of the channels based on correlation between the channel signals; an ambient component signal modifying unit modifying the ambient component signal using surround effect information; a source component signal extracting unit extracting the source component signal of each of the channels based on the correlation between the channel signals; a first signal output unit outputting the modified ambient component signal and the source component signal; and a second signal output unit outputting the audio signal or the source component signal. Accordingly, in an apparatus for decoding an audio signal and method thereof according to the present invention, an ambient component signal is extracted and modified based on correlation and the modified ambient and source component signals are outputted using different signal output units, respectively. Therefore, the present invention enhances a stereo effect of the audio signal. And, a signal output unit for outputting an ambient component signal is arranged to have an output direction different from that of another signal output unit for outputting a source component signal, whereby a listener can be provided with an audio signal of which ambient sound is enhanced.
摘要翻译：本发明包括：音频信号接收单元，接收具有多个包括环境分量信号和源分量信号的信道信号的音频信号; 周围分量信号提取单元，基于信道信号之间的相关来提取每个信道的周围分量信号; 环境分量信号修改单元，使用环绕效果信息修改环境分量信号; 源分量信号提取单元，基于信道信号之间的相关性来提取每个信道的源分量信号; 第一信号输出单元，输出修改的环境空间分量信号和源分量信号; 以及输出音频信号或源分量信号的第二信号输出单元。因此，在根据本发明的用于解码音频信号的设备及其方法中，基于相关来提取和修改环境分量信号，并且使用不同的信号输出单元分别输出修改的环境和源分量信号。因此，本发明增强了音频信号的立体声效果。并且，用于输出环境分量信号的信号输出单元被布置为具有与用于输出源分量信号的另一个信号输出单元的输出方向不同的输出方向，由此可以向收听者提供环境声音被增强的音频信号

3. 发明申请

WO2007091847A1 APPARATUS AND METHOD FOR ENCODING/DECODING SIGNAL 审中-公开
标题翻译：编码/解码信号的装置和方法
公开(公告)号：WO2007091847A1
公开(公告)日：2007-08-16
申请号：PCT/KR2007/000674
申请日：2007-02-07
申请人： LG ELECTRONICS INC. , JUNG, Yang Won , PANG, Hee Suk , OH, Hyun O , KIM, Dong Soo , LIM, Jae Hyun
发明人： JUNG, Yang Won , PANG, Hee Suk , OH, Hyun O , KIM, Dong Soo , LIM, Jae Hyun
IPC分类号： G10L19/00
CPC分类号： G10L19/008 , G10L19/167 , G10L19/24 , H04S3/008 , H04S2420/01 , H04S2420/03
摘要： An encoding method and apparatus and a decoding method and apparatus are provided. The decoding method includes extracting a down-mix signal and spatial information regarding a plurality of channels from an input bitstream, and generating a three-dimensional (3D) down-mix signal by performing a 3D rendering operation on the down-mix signal using the spatial information and a filter, wherein the sum of the number of valid signals of the down-mix signal, the number of valid signals of the spatial information, and the number of valid signals of co-efficients of the filter is less than the number of valid signals of the 3D down-mix signal. Accordingly, it is possible to efficiently encode multi-channel signals with 3D effects and to adaptively restore and reproduce audio signals with optimum sound quality according to the characteristics of an audio reproduction environment.
摘要翻译：提供了编码方法和装置以及解码方法和装置。解码方法包括从输入比特流中提取关于多个信道的下混合信号和空间信息，并且通过使用下混合信号对缩小混合信号执行3D渲染操作来生成三维（3D）降混信号空间信息和滤波器，其中下混合信号的有效信号数量，空间信息的有效信号的数量和滤波器的有效信号的数量之和小于数字的3D下混合信号的有效信号。因此，可以有效地编码具有3D效果的多声道信号，并根据音频再现环境的特性自适应地恢复和再现具有最佳声音质量的音频信号。

4. 发明申请

WO2007091845A1 APPARATUS AND METHOD FOR ENCODING/DECODING SIGNAL 审中-公开
标题翻译：编码/解码信号的装置和方法
公开(公告)号：WO2007091845A1
公开(公告)日：2007-08-16
申请号：PCT/KR2007/000672
申请日：2007-02-07
申请人： LG ELECTRONICS INC. , JUNG, Yang Won , PANG, Hee Suk , OH, Hyun O , KIM, Dong Soo , LIM, Jae Hyun
发明人： JUNG, Yang Won , PANG, Hee Suk , OH, Hyun O , KIM, Dong Soo , LIM, Jae Hyun
IPC分类号： G10L19/00
CPC分类号： G10L19/008 , G10L19/167 , G10L19/24 , H04S3/008 , H04S2420/01 , H04S2420/03
摘要： An encoding method and apparatus and a decoding method and apparatus are provided. The decoding method includes extracting a three-dimensional (3D) down-mix signal from an input bitstream, generating a down-mix signal with 3D effects removed therefrom by performing a 3D rendering operation on the extracted 3D down-mix signal, and generating a 3D down-mix signal with 3D effects by performing a 3D rendering operation on the generated down-mix signal. Accordingly, it is possible to efficiently encode multi-channel signals with 3D effects and to adaptively restore and reproduce audio signals with optimum sound quality according to the characteristics of an audio reproduction environment.
摘要翻译：提供了编码方法和装置以及解码方法和装置。解码方法包括从输入比特流中提取三维（3D）降混信号，通过对所提取的3D缩小混合信号执行3D渲染操作，生成具有从其中去除的3D效果的缩减混音信号，并且生成通过对所生成的下混合信号执行3D渲染操作，具有3D效果的3D降混信号。因此，可以有效地编码具有3D效果的多声道信号，并根据音频再现环境的特性自适应地恢复和再现具有最佳声音质量的音频信号。

5. 发明申请

WO2007091848A1 APPARATUS AND METHOD FOR ENCODING/DECODING SIGNAL 审中-公开
标题翻译：编码/解码信号的装置和方法
公开(公告)号：WO2007091848A1
公开(公告)日：2007-08-16
申请号：PCT/KR2007/000675
申请日：2007-02-07
申请人： LG ELECTRONICS INC. , JUNG, Yang Won , PANG, Hee Suk , OH, Hyun O , KIM, Dong Soo , LIM, Jae Hyun
发明人： JUNG, Yang Won , PANG, Hee Suk , OH, Hyun O , KIM, Dong Soo , LIM, Jae Hyun
IPC分类号： G10L19/00
CPC分类号： G10L19/008 , G10L19/167 , G10L19/24 , H04S3/008 , H04S2420/01 , H04S2420/03
摘要： An encoding method and apparatus and a decoding method and apparatus are provided. The decoding method includes skipping extension information included in an input bitstream, extracting a three-dimensional (3D) down-mix signal and spatial information from the input bitstream, removing 3D effects from the 3D down-mix signal by performing a 3D rendering operation on the 3D down-mix signal, and generating a multi-channel signal using a down-mix signal obtained by the removal and the spatial information. Accordingly, it is possible to efficiently encode multi-channel signals with 3D effects and to adaptively restore and reproduce audio signals with optimum sound quality according to the characteristics of an audio reproduction environment.
摘要翻译：提供了编码方法和装置以及解码方法和装置。解码方法包括跳过包括在输入比特流中的扩展信息，从输入比特流中提取三维（3D）降混信号和空间信息，通过对3D降混信号执行3D渲染操作来去除3D降混信号的3D效果 3D下混合信号，并且使用通过去除获得的缩减混音信号和空间信息来生成多声道信号。因此，可以有效地编码具有3D效果的多声道信号，并根据音频再现环境的特性自适应地恢复和再现具有最佳声音质量的音频信号。

6. 发明申请

WO2009066959A1 A METHOD AND AN APPARATUS FOR PROCESSING A SIGNAL 审中-公开
标题翻译：一种处理信号的方法和装置
公开(公告)号：WO2009066959A1
公开(公告)日：2009-05-28
申请号：PCT/KR2008/006882
申请日：2008-11-21
申请人： LG ELECTRONICS INC. , OH, Hyun O , JUNG, Yang Won
发明人： OH, Hyun O , JUNG, Yang Won
IPC分类号： G10L19/00 , H04N7/24 , G11B20/10 , H03M7/30
CPC分类号： H04N21/435 , G10L19/008 , G10L19/025 , G10L19/18 , G10L21/038 , H04N21/234309 , H04N21/235 , H04N21/2383 , H04N21/6377 , H04N21/658 , H04N21/8106 , H04N21/8133
摘要： A method of processing a signal is disclosed. The present invention includes receiving at least one of a first signal and a second signal, obtaining mode information and modification flag information indicating whether the first signal is modified, if it is determined as an audio coding scheme according to the mode information, decoding the first signal by the audio coding scheme, if the first signal is modified based on the modification flag information, reconstructing the first signal by applying modification reconstruction information to the first signal, determining an extension base signal corresponding to a partial region of the first signal based on extension information, and generating an extended downmix signal having a bandwidth extended by reconstructing a high frequency region signal using the extension base signal and the extension information. According to a signal processing method and apparatus of the present invention, after a first signal has been decoded by a first coding scheme, the first signal is adjusted using modification reconstruction information for reconstructing the first signal modified in time domain in performing encoding. Therefore, a coding efficiency enhanced signal can be provided.
摘要翻译：公开了处理信号的方法。本发明包括如果根据模式信息被确定为音频编码方案，则接收第一信号和第二信号中的至少一个，获得指示第一信号是否被修改的模式信息和修改标志信息，信号通过音频编码方案，如果基于修改标志信息修改第一信号，则通过将修改重构信息应用于第一信号来重建第一信号，基于第一信号确定与第一信号的部分区域相对应的扩展基础信号扩展信息，并且通过使用扩展基础信号和扩展信息，通过重构高频区域信号来生成具有扩展带宽的扩展缩混信号。根据本发明的信号处理方法和装置，在通过第一编码方案对第一信号进行了解码之后，使用修改重建信息来调整第一信号，以便在进行编码时重建在时域修改的第一信号。因此，可以提供编码效率增强信号。

7. 发明申请

WO2007083934A1 APPARATUS AND METHOD FOR ENCODING AND DECODING SIGNAL 审中-公开
标题翻译：编码和解码信号的装置和方法
公开(公告)号：WO2007083934A1
公开(公告)日：2007-07-26
申请号：PCT/KR2007/000305
申请日：2007-01-18
申请人： LG ELECTRONICS INC. , JUNG, Yang Won , OH, Hyun O , KIM, Hyo Jin , CHOI, Seung Jong , LEE, Dong Geum , KANG, Hong Goo , LEE, Jae Seong
发明人： JUNG, Yang Won , OH, Hyun O , KIM, Hyo Jin , CHOI, Seung Jong , LEE, Dong Geum , KANG, Hong Goo , LEE, Jae Seong
IPC分类号： G10L19/00
CPC分类号： G10L19/24 , G10L19/20
摘要： Encoding and decoding apparatuses and encoding and decoding methods are provided. The decoding method includes extracting a plurality of encoded signals and division information of the encoded signals from an input bitstream, determining which of a plurality of decoding methods is to be used to decode each of the encoded signals, decoding the encoded signals using the determined decoding methods, and synthesizing the decoded signals with reference to the division information. Accordingly, it is possible to encode signals having different characteristics at an optimum bitrate by classifying the signals into one or more classes according to the characteristics of the signals and encoding each of the signals using an encoding unit that can best serve the class where a corresponding signal belongs. In addition, it is possible to efficiently encode various signals including audio and speech signals.
摘要翻译：提供编码和解码装置以及编码和解码方法。解码方法包括从输入比特流提取多个编码信号和编码信号的分割信息，确定多个解码方法中的哪一个将用于解码每个编码信号，使用所确定的解码对编码信号进行解码参照分割信息合成解码信号。因此，可以根据信号的特性将信号分类为一个或多个等级，以最佳比特率编码具有不同特性的信号，并且可以使用最佳服务类别的编码单元对每个信号进行编码，信号属于。此外，可以有效地编码包括音频和语音信号的各种信号。

8. 发明申请

WO2007049881A1 METHOD FOR ENCODING AND DECODING MULTI-CHANNEL AUDIO SIGNAL AND APPARATUS THEREOF 审中-公开
标题翻译：编码和解码多通道音频信号的方法及其设备
公开(公告)号：WO2007049881A1
公开(公告)日：2007-05-03
申请号：PCT/KR2006/004286
申请日：2006-10-20
申请人： LG ELECTRONICS INC. , JUNG, Yang Won , PANG, Hee Suk , OH, Hyun O , KIM, Dong Soo , LIM, Jae Hyun
发明人： JUNG, Yang Won , PANG, Hee Suk , OH, Hyun O , KIM, Dong Soo , LIM, Jae Hyun
IPC分类号： G10L19/00
CPC分类号： G10L19/008
摘要： Methods and apparatuses for encoding and decoding a multi-channel audio signal are provided. In the encoding method, spatial information that is calculated based on a multi-channel audio signal and a downmix signal is encoded, and additional configuration information is generated based on information that is selected from the encoded spatial information. The downmix signal is encoded, and then, a bitstream is generated by combining the encoded downmix signal with the encoded spatial information. Thereafter, the additional configuration information is inserted into the bitstream. Therefore, it is possible to configure an optimum bitstream according to the circumstances by retransmitting all or part of information included in a header.
摘要翻译：提供了用于编码和解码多声道音频信号的方法和装置。在编码方法中，编码基于多声道音频信号和下混合信号计算出的空间信息，并且基于从编码空间信息中选择的信息生成附加配置信息。对混合信号进行编码，然后通过将经编码的下混合信号与经编码的空间信息进行组合来生成比特流。此后，附加配置信息被插入到比特流中。因此，可以通过重发包含在报头中的全部或部分信息来根据情况来配置最佳比特流。

9. 发明申请

WO2009066960A1 A METHOD AND AN APPARATUS FOR PROCESSING A SIGNAL 审中-公开
标题翻译：一种处理信号的方法和装置
公开(公告)号：WO2009066960A1
公开(公告)日：2009-05-28
申请号：PCT/KR2008/006884
申请日：2008-11-21
申请人： LG ELECTRONICS INC. , OH, Hyun O , JUNG, Yang Won
发明人： OH, Hyun O , JUNG, Yang Won
IPC分类号： G10L19/00 , H04N7/24 , G11B20/10 , H03M7/30
CPC分类号： H04N21/435 , G10L19/008 , G10L19/025 , G10L19/18 , G10L21/038 , H04N21/234309 , H04N21/235 , H04N21/2383 , H04N21/6377 , H04N21/658 , H04N21/8106 , H04N21/8133
摘要： A method of processing a signal is disclosed. The present invention includes receiving extension information and at least one downmix signal of a first downmix signal decoded by a audio coding scheme and a second downmix signal decoded by a speech coding scheme; determining an extension base signal corresponding to a partial region of the downmix signal based on the extension information; and generating an extended downmix signal having a bandwidth extended by reconstructing a high frequency region signal using the extension base signal and the extension information. According to a signal processing method and apparatus of the present invention, signal corresponding to a partial frequency region of the downmix signal is used as the extension base signal. Therefore, the high frequency region of the downmix signal is reconstructed by using the extension base signal having variable bandwidth.
摘要翻译：公开了处理信号的方法。本发明包括接收由音频编码方案解码的第一下混合信号和由语音编码方案解码的第二降混信号的扩展信息和至少一个下混合信号; 基于所述扩展信息确定与所述降混信号的部分区域相对应的扩展基础信号; 以及通过使用所述扩展基础信号和所述扩展信息来生成具有扩展的扩展缩混信号，所述扩频缩混信号通过重建高频区域信号而被扩展。根据本发明的信号处理方法和装置，将与降混信号的分频区域对应的信号用作扩展基本信号。因此，通过使用具有可变带宽的扩展基础信号来重构降混信号的高频区域。

10. 发明申请

WO2007091842A1 APPARATUS AND METHOD FOR ENCODING/DECODING SIGNAL 审中-公开
标题翻译：编码/解码信号的装置和方法
公开(公告)号：WO2007091842A1
公开(公告)日：2007-08-16
申请号：PCT/KR2007/000668
申请日：2007-02-07
申请人： LG ELECTRONICS INC. , JUNG, Yang Won , PANG, Hee Suk , OH, Hyun O , KIM, Dong Soo , LIM, Jae Hyun
发明人： JUNG, Yang Won , PANG, Hee Suk , OH, Hyun O , KIM, Dong Soo , LIM, Jae Hyun
IPC分类号： G10L19/00
CPC分类号： G10L19/008 , G10L19/167 , G10L19/24 , H04S3/008 , H04S2420/01 , H04S2420/03
摘要： An encoding method and apparatus and a decoding method and apparatus are provided. The decoding method includes extracting a three-dimensional (3D) down-mix signal and spatial information from an input bitstream, removing 3D effects from the 3D down-mix signal by performing a 3D rendering operation on the 3D down-mix signal, and generating a multi-channel signal using the spatial information and a down-mix signal obtained by the removal. Accordingly, it is possible to efficiently encode multi-channel signals with 3D effects and to adaptively restore and reproduce audio signals with optimum sound quality according to the characteristics of a reproduction environment.
摘要翻译：提供了编码方法和装置以及解码方法和装置。解码方法包括从输入比特流中提取三维（3D）降混信号和空间信息，通过对3D降混信号执行3D渲染操作，从3D降混信号中去除3D效果，并产生使用空间信息的多通道信号和通过去除获得的降混信号。因此，可以有效地编码具有3D效果的多声道信号，并且可以根据再现环境的特性自适应地恢复和再现具有最佳声音质量的音频信号。

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