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1. 发明申请

WO2010036060A3 A METHOD AND AN APPARATUS FOR PROCESSING A SIGNAL 审中-公开
公开(公告)号：WO2010036060A3
公开(公告)日：2010-04-01
申请号：PCT/KR2009/005498
申请日：2009-09-25
申请人： LG ELECTRONICS INC. , LEE, Hyun Kook , YOON, Sung Yong , KIM, Dong Soo , LIM, Jae Hyun
发明人： LEE, Hyun Kook , YOON, Sung Yong , KIM, Dong Soo , LIM, Jae Hyun
IPC分类号： G10L21/02
摘要： A method of processing a signal is disclosed. The present invention includes receiving (a) downmix signal being generated from plural-channel signal and (b) spatial information indicating attribute of the plural-channel signal in order to upmix the downmix signal and including phase shift flag indicating whether phase of a frame of at least one channel of the plural-channel signal is shifted; obtaining inter-channel phase difference(IPD) coding flag indicating whether IPD value is used to the spatial information from a header of the spatial information; obtaining IPD mode flag indicating whether the IPD value is used to frame of the spatial information from the frame based on the IPD coding flag; obtaining the IPD value of parameter band in the frame, based on the IPD mode flag; upmixing plural-channel signal by applying the IPD value to the downmix signal; and shifting the phase of the frame of the at least one channel of the plural-channel signal based on the phase shift flag.

2. 发明申请

WO2010036059A2 A METHOD AND AN APPARATUS FOR PROCESSING A SIGNAL 审中-公开
标题翻译：处理信号的方法和设备
公开(公告)号：WO2010036059A2
公开(公告)日：2010-04-01
申请号：PCT/KR2009/005497
申请日：2009-09-25
申请人： LG ELECTRONICS INC. , LEE, Hyun Kook , YOON, Sung Yong , KIM, Dong Soo , LIM, Jae Hyun
发明人： LEE, Hyun Kook , YOON, Sung Yong , KIM, Dong Soo , LIM, Jae Hyun
IPC分类号： G10L19/00
CPC分类号： G10L19/008
摘要： A method of processing a signal is disclosed. The present invention includes receiving a downmix signal generated from plural channel signal and spatial information indicating attribute of the plural channel signal to upmix the downmix signal; obtaining inter-channel phase difference (IPD) coding flag indicating whether IPD value is used to the spatial information from header of the spatial information; obtaining IPD mode flag based on the IPD coding flag from the frame of the spatial information, the IPD mode flag indicating whether the IPD value is used to a frame of the spatial information; obtaining the IPD value of parameter band of parameter time slot in the frame, based on the IPD mode flag; smoothing the IPD value by modifying the IPD value by using IPD value of previous parameter time slot; and generating plural channel signal by applying the smoothed IPD value to the downmix signal.
摘要翻译：公开了一种处理信号的方法。本发明包括：接收从多个声道信号产生的下混音信号和指示多声道信号的属性的空间信息以上混下混音信号; 从空间信息的头部获得指示是否将IPD值用于空间信息的信道间相位差（IPD）编码标记; 基于来自空间信息的帧的IPD编码标志获得IPD模式标志，IPD模式标志指示IPD值是否用于空间信息的帧; 基于IPD模式标志，获得帧中参数时隙的参数频带的IPD值; 通过使用先前参数时隙的IPD值修改IPD值来平滑IPD值; 并通过将平滑的IPD值应用于缩混信号来产生多个声道信号。

3. 发明申请

WO2009084918A1 A METHOD AND AN APPARATUS FOR PROCESSING AN AUDIO SIGNAL 审中-公开
标题翻译：一种处理音频信号的方法和装置
公开(公告)号：WO2009084918A1
公开(公告)日：2009-07-09
申请号：PCT/KR2008/007868
申请日：2008-12-31
申请人： LG ELECTRONICS INC. , LIM, Jae Hyun , KIM, Dong Soo , LEE, Hyun Kook , YOON, Sung Yong , PANG, Hee Suk
发明人： LIM, Jae Hyun , KIM, Dong Soo , LEE, Hyun Kook , YOON, Sung Yong , PANG, Hee Suk
IPC分类号： G10L19/00 , H03M7/30 , G11B20/10 , H04N7/24
CPC分类号： G10L19/028 , G10L19/0204 , G10L19/035
摘要： A method of processing an audio signal is disclosed. The present invention includes obtaining spectral data and a loss signal compensation parameter, detecting a loss signal based on the spectral data, generating first compensation data corresponding to the loss signal using a random signal based on the loss signal compensation parameter, and generating a scale factor corresponding to the first compensation data and generating second compensation data by applying the scale factor to the first compensation data.
摘要翻译：公开了一种处理音频信号的方法。本发明包括获得光谱数据和损耗信号补偿参数，基于光谱数据检测损耗信号，基于损耗信号补偿参数，使用随机信号产生对应于损耗信号的第一补偿数据，并产生比例因子对应于第一补偿数据，并通过将比例因子应用于第一补偿数据来生成第二补偿数据。

4. 发明申请

WO2010036061A2 AN APPARATUS FOR PROCESSING AN AUDIO SIGNAL AND METHOD THEREOF 审中-公开
标题翻译：一种用于处理音频信号的装置及其方法
公开(公告)号：WO2010036061A2
公开(公告)日：2010-04-01
申请号：PCT/KR2009/005499
申请日：2009-09-25
申请人： LG ELECTRONICS INC. , LEE, Hyun Kook , KIM, Dong Soo , YOON, Sung Yong , PANG, Hee Suk , LIM, Jae Hyun
发明人： LEE, Hyun Kook , KIM, Dong Soo , YOON, Sung Yong , PANG, Hee Suk , LIM, Jae Hyun
IPC分类号： G10L19/04
CPC分类号： G10L19/025 , G10L19/008 , G10L19/02 , G10L21/038
摘要： An apparatus for processing an audio signal and method thereof are disclosed. The present invention includes receiving a spectral data of lower band and type information indicating a particular band extension scheme for a current frame of the audio signal from among a plurality of band extension schemes including a first band extension scheme and a second band extension scheme, by an audio processing apparatus; when the type information indicates the first band extension scheme for the current frame, generating a spectral data of higher band in the current frame using the spectral data of lower band by performing the first band extension scheme; and when the type information indicates the second band extension scheme for the current frame, generating the spectral data of higher band in the current frame using the spectral data of lower band by performing the second band extension scheme, wherein the first band extension scheme is based on a first data area of the spectral data of lower band, and wherein the second band extension scheme is based on a second data area of the spectral data of lower band.
摘要翻译：公开了一种用于处理音频信号的装置及其方法。本发明包括从包括第一频带扩展方案和第二频带扩展方案在内的多个频带扩展方案中接收指示用于音频信号的当前帧的特定频带扩展方案的较低频带的频谱数据和类型信息，由音频处理装置; 当类型信息指示当前帧的第一频带扩展方案时，通过执行第一频带扩展方案，使用较低频带的频谱数据在当前帧中产生较高频带的频谱数据; 并且当类型信息指示当前帧的第二频带扩展方案时，通过执行第二频带扩展方案，使用较低频带的频谱数据生成当前帧中较高频带的频谱数据，其中第一频带扩展方案基于在较低频带的频谱数据的第一数据区上，并且其中第二频带扩展方案基于较低频带的频谱数据的第二数据区。

5. 发明申请

WO2009078681A1 A METHOD AND AN APPARATUS FOR PROCESSING AN AUDIO SIGNAL 审中-公开
标题翻译：一种处理音频信号的方法和装置
公开(公告)号：WO2009078681A1
公开(公告)日：2009-06-25
申请号：PCT/KR2008/007522
申请日：2008-12-18
申请人： LG ELECTRONICS INC. , LEE, Hyun Kook , KIM, Dong Soo , YOON, Sung Yong , PANG, Hee Suk , LIM, Jae Hyun
发明人： LEE, Hyun Kook , KIM, Dong Soo , YOON, Sung Yong , PANG, Hee Suk , LIM, Jae Hyun
IPC分类号： G10L19/02
CPC分类号： G10L19/0204 , G10L19/008 , G10L19/24 , G10L21/038
摘要： A method of processing an audio signal is disclosed. The present invention includes receiving spectral data corresponding to a first band in a frequency band including the first band and a second band, determining a copy band based on frequency information of the copy band corresponding to a partial band of the first band, and generating spectral data of a target band corresponding to the second band using the spectral data of the copy band, wherein the copy band exists in an upper part of the first band.
摘要翻译：公开了一种处理音频信号的方法。本发明包括在包括第一频带和第二频带的频带中接收对应于第一频带的频谱数据，基于与第一频带的部分频带对应的复制频带的频率信息确定复制频带，并产生频谱使用复制频带的频谱数据对应于第二频带的目标频带的数据，其中复制频带存在于第一频带的上部。

6. 发明申请

WO2009038421A1 A METHOD AND AN APPARATUS FOR PROCESSING A SIGNAL 审中-公开
标题翻译：处理信号的方法和设备
公开(公告)号：WO2009038421A1
公开(公告)日：2009-03-26
申请号：PCT/KR2008/005611
申请日：2008-09-22
申请人： LG ELECTRONICS INC. , YOON, Sung Yong , PANG, Hee Suk , KIM, Dong Soo , LEE, Hyun Kook , LIM, Jae Hyun
发明人： YOON, Sung Yong , PANG, Hee Suk , KIM, Dong Soo , LEE, Hyun Kook , LIM, Jae Hyun
IPC分类号： H04N7/24
CPC分类号： H04N19/196 , G10L19/0212 , H04N19/42 , H04N19/463 , H04N19/94
摘要： A method of processing a signal is disclosed. The present invention includes receiving a maximum number of band and a code value of at least one section length, calculating a bit number corresponding to the code value of the at least one section length using the maximum number of the band, and obtaining the section length information by decoding the code value of the section length based on the bit number. A method of processing a signal is disclosed. The present invention includes receiving factor information of a current frame, receiving flag information indicating whether a coding mode of the factor information is an absolute value mode or a relative value mode, and obtaining factor data of the current frame using factor data of a previous frame and the received factor information based on the flag information.
摘要翻译：公开了一种处理信号的方法。本发明包括接收最大带数和至少一个部分长度的代码值，使用最大带数计算对应于至少一个部分长度的代码值的比特数，并且获得部分长度通过基于比特数对码段长度的码值进行解码来获得信息。公开了一种处理信号的方法。本发明包括当前帧的接收因子信息，接收指示因子信息的编码模式是绝对值模式还是相对值模式的标志信息，以及使用前一帧的因子数据获得当前帧的因子数据和基于标志信息的接收到的因素信息。

7. 发明申请

WO2008063034A1 METHOD FOR ENCODING AND DECODING OBJECT-BASED AUDIO SIGNAL AND APPARATUS THEREOF 审中-公开
标题翻译：用于编码和解码基于对象的音频信号的方法及其装置
公开(公告)号：WO2008063034A1
公开(公告)日：2008-05-29
申请号：PCT/KR2007/005968
申请日：2007-11-24
申请人： LG ELECTRONICS INC. , YOON, Sung Yong , PANG, Hee Suk , LEE, Hyun Kook , KIM, Dong Soo , LIM, Jae Hyun
发明人： YOON, Sung Yong , PANG, Hee Suk , LEE, Hyun Kook , KIM, Dong Soo , LIM, Jae Hyun
IPC分类号： G10L19/00
CPC分类号： G10L19/20 , G10L19/008
摘要： The present invention relates to a method and apparatus for encoding and decoding object- based audio signals. This audio decoding method includes extracting a first audio signal and a first audio parameter in which a music object are encoded on a channel basis and a second audio signal and a second audio parameter in which a vocal object are encoded on an object basis, from an audio signal, generating a third audio signal by employing at least one of the first and second audio signals, and generating a multi-channel audio signal by employing at least one of the first and second audio parameters and the third audio signal. Accordingly, the amount of calculation in encoding and decoding processes and the size of a bitstream that is encoded can be reduced efficiently.
摘要翻译：本发明涉及用于编码和解码基于对象的音频信号的方法和装置。该音频解码方法包括提取第一音频信号和第一音频参数，其中音乐对象在频道的基础上被编码，并且第二音频信号和第二音频参数从对象基础上被编码音频信号，通过采用第一和第二音频信号中的至少一个产生第三音频信号，以及通过采用第一和第二音频参数和第三音频信号中的至少一个来产生多声道音频信号。因此，可以有效地降低编码和解码处理中的计算量和编码的比特流的大小。

8. 发明申请

WO2008039043A1 METHODS AND APPARATUSES FOR ENCODING AND DECODING OBJECT-BASED AUDIO SIGNALS 审中-公开
标题翻译：编码和解码基于对象的音频信号的方法和设备
公开(公告)号：WO2008039043A1
公开(公告)日：2008-04-03
申请号：PCT/KR2007/004803
申请日：2007-10-01
申请人： LG ELECTRONICS INC. , YOON, Sung Yong , PANG, Hee Suk , LEE, Hyun Kook , KIM, Dong Soo , LIM, Jae Hyun
发明人： YOON, Sung Yong , PANG, Hee Suk , LEE, Hyun Kook , KIM, Dong Soo , LIM, Jae Hyun
IPC分类号： G10L19/00
CPC分类号： G10L19/008 , G10L19/087 , G10L19/20 , G10L21/04 , H04S7/302 , H04S2400/03 , H04S2400/11 , H04S2420/01
摘要： Provided are an audio encoding method and apparatus and an audio decoding method and apparatus in which audio signals can be encoded or decoded so that sound images can be localized at any desired position for each object audio signal. The audio decoding method includes extracting a downmix signal and object-based side information from an audio signal; generating channel-based side information based on object-based side information and control information for rendering the downmix signal; processing the downmix signal using a decorrelated channel signal; and generating a multi-channel audio signal using the processed downmix signal and the channel-based side information.
摘要翻译：提供了一种音频编码方法和装置以及音频解码方法和装置，其中可以对音频信号进行编码或解码，使得声音图像可以被定位在每个对象音频信号的任何期望位置。音频解码方法包括从音频信号中提取下混信号和基于对象的侧信息; 基于对象侧信息生成基于信道的侧信息和用于呈现下混合信号的控制信息; 使用去相关的信道信号处理下混合信号; 以及使用所述经处理的下混合信号和基于信道的侧信息来生成多声道音频信号。

9. 发明申请

WO2010047566A2 AN APPARATUS FOR PROCESSING AN AUDIO SIGNAL AND METHOD THEREOF 审中-公开
标题翻译：一种处理音频信号的装置及其方法
公开(公告)号：WO2010047566A2
公开(公告)日：2010-04-29
申请号：PCT/KR2009/006184
申请日：2009-10-26
申请人： LG ELECTRONICS INC. , YOON, Sung Yong , LEE, Hyun Kook , KIM, Dong Soo , LIM, Jae Hyun
发明人： YOON, Sung Yong , LEE, Hyun Kook , KIM, Dong Soo , LIM, Jae Hyun
IPC分类号： H03M7/30 , G10L19/00
CPC分类号： G10L19/18 , G10L19/0212 , G10L2019/0008
摘要： An apparatus for processing an audio signal and method thereof are disclosed, by which extracting, by an audio processing apparatus, scheme type information indicating either time excitation scheme or frequency excitation scheme for each of a plurality of subframes included in current frame; when the time excitation scheme is applied to at least one subframe among the plurality of subframes according to the scheme type information, extracting mode information representing bit allocation of codebook index for the current frame; and, when the time excitation scheme is applied to at least one subframe among the plurality of subframes according to the scheme type information, decoding the at least one subframe using the mode information according to the time excitation scheme.
摘要翻译：公开了一种用于处理音频信号的设备及其方法，通过该设备，由音频处理设备提取指示多个子帧中的每一个的时间激励方案或频率激励方案的方案类型信息包含在当前框架中; 当根据所述方案类型信息将所述时间激励方案应用于所述多个子帧中的至少一个子帧时，提取表示当前帧的码本索引的比特分配的模式信息; 并且当根据所述方案类型信息将所述时间激励方案应用于所述多个子帧中的至少一个子帧时，根据所述时间激励方案使用所述模式信息对所述至少一个子帧进行解码。

10. 发明申请

WO2010036062A3 A METHOD AND AN APPARATUS FOR PROCESSING A SIGNAL 审中-公开
公开(公告)号：WO2010036062A3
公开(公告)日：2010-04-01
申请号：PCT/KR2009/005500
申请日：2009-09-25
申请人： LG ELECTRONICS INC. , LEE, Hyun Kook , KIM, Dong Soo , YOON, Sung Yong , CHOI, Sung Lim , LIM, Jae Hyun
发明人： LEE, Hyun Kook , KIM, Dong Soo , YOON, Sung Yong , CHOI, Sung Lim , LIM, Jae Hyun
IPC分类号： G10L19/00
摘要： A method of processing a signal is disclosed. The present invention includes receiving (a) a downmix signal being generated from plural-channel signal and (b) spatial information indicating attribute of the plural-channel signal, in order to upmix the downmix signal; obtaining inter-channel phase difference(IPD) coding flag indicating whether IPD value is used to the spatial information from a header of the spatial information; obtaining IPD mode flag indicating whether the IPD is used to frame of the spatial information from the frame based on the IPD coding flag; obtaining the IPD value from a parameter band in the frame based on the IPD mode flag; generating plural-channel signal by applying the IPD value to the downmix signal, wherein the spatial information is divided by header and a plurality of the frame and wherein the IPD value indicates phase difference between two channels of the plural-channel signal and wherein the parameter band is at least one sub-band of frequency domain including the IPD value.

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