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11. 发明申请

US20090110201A1 METHOD, MEDIUM, AND SYSTEM ENCODING/DECODING MULTI-CHANNEL SIGNAL 有权
标题翻译：方法，介质和系统编码/解码多通道信号
公开(公告)号：US20090110201A1
公开(公告)日：2009-04-30
申请号：US12107117
申请日：2008-04-22
申请人： Jung-hoe KIM , Eun-mi Oh , Konstantly Osipov , Ki-hyun Choo
发明人： Jung-hoe KIM , Eun-mi Oh , Konstantly Osipov , Ki-hyun Choo
IPC分类号： H04H20/47
CPC分类号： H04H40/36 , G10L19/008 , H04H20/47 , H04H20/88
摘要： A multi-channel signal decoding method is provided. A down-mixed signal representative of a multi-channel signal is decoded, and parameters representing characteristic relations between channels of the multi-channel signal are decoded. An additional parameter is estimated by using the decoded parameters, and the decoded down-mixed signal is up-mixed by using the decoded parameters and the estimated parameter so as to decode the multi-channel signal.
摘要翻译：提供了一种多通道信号解码方法。解码表示多声道信号的下混信号，并对表示多声道信号的声道之间的特征关系的参数进行解码。通过使用解码参数来估计附加参数，并且通过使用解码参数和估计参数对解码的下混合信号进行混合，以解码多声道信号。

12. 发明申请

US20080253276A1 METHOD AND APPARATUS FOR MULTIPLEXING AND DEMULTIPLEXING ASYNCHRONOUS BITSTREAMS 失效
标题翻译：用于多重复制和异源双歧杆菌的方法和装置
公开(公告)号：US20080253276A1
公开(公告)日：2008-10-16
申请号：US11935631
申请日：2007-11-06
申请人： Kang-eun LEE , Ki-hyun Choo , Jung-hoe Kim , Eun-mi Oh
发明人： Kang-eun LEE , Ki-hyun Choo , Jung-hoe Kim , Eun-mi Oh
IPC分类号： H04J11/00
CPC分类号： H04N21/4341 , H04N21/233 , H04N21/236 , H04N21/2368 , H04N21/434 , H04N21/439
摘要： Provided is a method and apparatus for multiplexing bitstreams that are coded to have different frame lengths using asynchronous time alignment, in which, based on the length of each frame of a bitstream selected as a reference bitstream from among bitstreams coded to have different frame lengths by a plurality of coders, the remaining bitstreams except for the reference bitstream are divided and multiplexed.
摘要翻译：提供了一种用于复用使用异步时间对准被编码为具有不同帧长度的比特流的方法和装置，其中，基于从被编码为具有不同帧长度的比特流中选择作为参考比特流的比特流的每个帧的长度，多个编码器，除了参考比特流之外的剩余比特流被分割和多路复用。

13. 发明授权

US08861738B2 Method, medium, and system encoding/decoding multi-channel signal 有权
标题翻译：方法，中，系统编码/解码多通道信号
公开(公告)号：US08861738B2
公开(公告)日：2014-10-14
申请号：US13563808
申请日：2012-08-01
申请人： Jung-hoe Kim , Eun-mi Oh , Konstantin Osipov , Ki-hyun Choo
发明人： Jung-hoe Kim , Eun-mi Oh , Konstantin Osipov , Ki-hyun Choo
IPC分类号： H04H20/47 , H04H40/36 , H04H20/88 , G10L19/008
CPC分类号： H04H40/36 , G10L19/008 , H04H20/47 , H04H20/88
摘要： A multi-channel signal decoding method is provided. A down-mixed signal representative of a multi-channel signal is decoded, and parameters representing characteristic relations between channels of the multi-channel signal are decoded. An additional parameter is estimated by using the decoded parameters, and the decoded down-mixed signal is up-mixed by using the decoded parameters and the estimated parameter so as to decode the multi-channel signal.
摘要翻译：提供了一种多通道信号解码方法。解码表示多声道信号的下混信号，并对表示多声道信号的声道之间的特征关系的参数进行解码。通过使用解码参数来估计附加参数，并且通过使用解码参数和估计参数对解码的下混合信号进行混合，以解码多声道信号。

14. 发明授权

US08718284B2 Method, medium, and system encoding/decoding multi-channel signal 有权
公开(公告)号：US08718284B2
公开(公告)日：2014-05-06
申请号：US13557848
申请日：2012-07-25
申请人： Jung-hoe Kim , Eun-mi Oh , Konstantly Osipov , Ki-hyun Choo
发明人： Jung-hoe Kim , Eun-mi Oh , Konstantly Osipov , Ki-hyun Choo
IPC分类号： H04H20/47
CPC分类号： H04H40/36 , G10L19/008 , H04H20/47 , H04H20/88
摘要： A multi-channel signal decoding method is provided. A down-mixed signal representative of a multi-channel signal is decoded, and parameters representing characteristic relations between channels of the multi-channel signal are decoded. An additional parameter is estimated by using the decoded parameters, and the decoded down-mixed signal is up-mixed by using the decoded parameters and the estimated parameter so as to decode the multi-channel signal.

15. 发明授权

US08676569B2 Error concealment method and apparatus for audio signal and decoding method and apparatus for audio signal using the same 有权
标题翻译：用于音频信号的错误隐藏方法和装置以及使用其的音频信号的解码方法和装置
公开(公告)号：US08676569B2
公开(公告)日：2014-03-18
申请号：US13544203
申请日：2012-07-09
申请人： Eun-mi Oh , Ki-hyun Choo , Ho-sang Sung , Chang-yong Son , Jung-hoe Kim , Kang-eun Lee
发明人： Eun-mi Oh , Ki-hyun Choo , Ho-sang Sung , Chang-yong Son , Jung-hoe Kim , Kang-eun Lee
IPC分类号： G10L19/00
CPC分类号： G10L19/005 , G10L19/0212 , G10L19/022 , H03M13/00
摘要： An error concealment method and apparatus for an audio signal and a decoding method and apparatus for an audio signal using the error concealment method and apparatus. The error concealment method includes selecting one of an error concealment in a frequency domain and an error concealment in a time domain as an error concealment scheme for a current frame based on a predetermined criteria when an error occurs in the current frame, selecting one of a repetition scheme and an interpolation scheme in the frequency domain as the error concealment scheme for the current frame based on a predetermined criteria when the error concealment in the frequency domain is selected, and concealing the error of the current frame using the selected scheme.
摘要翻译：一种用于音频信号的错误隐藏方法和装置，以及使用错误隐藏方法和装置的用于音频信号的解码方法和装置。错误隐藏方法包括：当在当前帧中发生错误时，基于预定标准，选择频域中的错误隐藏和时域中的错误隐藏中的一个作为当前帧的错误隐藏方案，选择重复方案和在频域中的内插方案作为当前帧的错误隐藏方案，当选择频域中的错误隐藏时，基于预定标准，并且使用所选择的方案来隐藏当前帧的错误。

16. 发明授权

US08321229B2 Apparatus, medium and method to encode and decode high frequency signal 有权
标题翻译：装置，介质和方法对高频信号进行编码和解码
公开(公告)号：US08321229B2
公开(公告)日：2012-11-27
申请号：US12256704
申请日：2008-10-23
申请人： Ki-hyun Choo , Eun-mi Oh , Ho-sang Sung , Jung-hoe Kim , Mi-young Kim
发明人： Ki-hyun Choo , Eun-mi Oh , Ho-sang Sung , Jung-hoe Kim , Mi-young Kim
IPC分类号： G06F15/00 , G10L19/00 , G10L21/00
CPC分类号： G10L25/93 , G10L21/038
摘要： A method and apparatus to encoding or decoding an audio signal is provided. In the method and apparatus, a noise-floor level to use in encoding or decoding a high frequency signal is updated according to the degree of a voiced or unvoiced sound included in the signal.
摘要翻译：提供了一种对音频信号进行编码或解码的方法和装置。在该方法和装置中，根据信号中包含的有声或无声音的程度来更新用于对高频信号进行编码或解码的噪声底层电平。

17. 发明授权

US08265296B2 Method and apparatus for encoding and decoding noise signal 有权
标题翻译：用于对噪声信号进行编码和解码的方法和装置
公开(公告)号：US08265296B2
公开(公告)日：2012-09-11
申请号：US11924827
申请日：2007-10-26
申请人： Eun-mi Oh , Anton Porov , Jung-hoe Kim
发明人： Eun-mi Oh , Anton Porov , Jung-hoe Kim
IPC分类号： H04B15/00
CPC分类号： G10L19/028 , G10K11/002 , G10L19/0204
摘要： Provided is a method and apparatus for encoding/decoding an audio signal. Sections which are not used to output noise components near important spectral components and sub-bands which are not used to output noise components, are determined to be encoded or decoded, so that the efficiency of encoding and decoding an audio signal increases, and sound quality can be improved using less bits.
摘要翻译：提供了一种用于对音频信号进行编码/解码的方法和装置。不用于输出不用于输出噪声分量的重要频谱分量和子频带附近的噪声分量的部分被确定为编码或解码，使得音频信号的编码和解码效率提高，声音质量可以使用较少的位来改进。

18. 发明申请

US20120101825A1 METHOD AND APPARATUS FOR ENCODING/DECODING AUDIO DATA WITH SCALABILITY 审中-公开
标题翻译：用于编码/解码具有可扩展性的音频数据的方法和装置
公开(公告)号：US20120101825A1
公开(公告)日：2012-04-26
申请号：US13280030
申请日：2011-10-24
申请人： Jung-hoe KIM , Sang-wook Kim , Eun-mi Oh
发明人： Jung-hoe KIM , Sang-wook Kim , Eun-mi Oh
IPC分类号： G10L19/00
CPC分类号： G10L19/24
摘要： Method and apparatus for encoding/decoding audio data with scalability are provided. The method includes slicing audio data to correspond to a plurality of layers, obtaining scale band information and coding band information corresponding to each of the plurality of layers, coding additional information containing scale factor information and coding model information based on scale band information and coding band information corresponding to a first layer, obtaining quantized samples by quantizing audio data corresponding to the first layer with reference to the scale factor information, coding the obtained plurality of quantized samples in units of symbols in order from respective symbols formed with most significant bits (MSB) to least significant bits (LSB) based on the coding model information, and repeating, until coding for the plurality of layers is finished. Accordingly, fine grain scalability can be provided with lower complexity and better audio quality even in a lower layer.
摘要翻译：提供了用于以可扩展性对音频数据进行编码/解码的方法和装置。该方法包括对音频数据进行切片以对应于多个层，获取与多个层中的每一层相对应的尺度带信息和编码频带信息，根据比例因子信息编码附加信息和基于尺度带信息和编码频带编码模型信息对应于第一层的信息，通过参照比例因子信息量化对应于第一层的音频数据来获得量化样本，以从符号形式开始的各个符号按顺序对所获得的多个量化样本进行编码（MSB ）到基于编码模型信息的最低有效位（LSB），并且直到完成多层的编码为止。因此，即使在较低的层中，也可以提供更低的复杂度和更好的音频质量的细粒度可扩展性。

19. 发明授权

US07528750B2 Entropy encoding and decoding apparatus and method based on tree structure 有权
标题翻译：基于树结构的熵编码和解码设备和方法
公开(公告)号：US07528750B2
公开(公告)日：2009-05-05
申请号：US11957589
申请日：2007-12-17
申请人： Jung-hoe Kim , Anton Porov , Eun-mi Oh
发明人： Jung-hoe Kim , Anton Porov , Eun-mi Oh
IPC分类号： H93M7/00
CPC分类号： H03M7/40
摘要： Encoding and decoding of an audio signal or a video signal. By performing entropy encoding and decoding based on a tree structure, coding efficiency is increased, complexity is reduced, and additional information can be reduced.
摘要翻译：音频信号或视频信号的编码和解码。通过基于树结构执行熵编码和解码，增加了编码效率，降低了复杂度，并且可以减少附加信息。

20. 发明申请

US20080270124A1 METHOD AND APPARATUS FOR ENCODING AND DECODING AUDIO/SPEECH SIGNAL 有权
标题翻译：编码和解码音频/语音信号的方法和装置
公开(公告)号：US20080270124A1
公开(公告)日：2008-10-30
申请号：US11872116
申请日：2007-10-15
申请人： Chang-yong SON , Eun-mi Oh , Jung-hoe Kim , Ho-sang Sung , Kang-eun Lee , Ki-hyun Choo
发明人： Chang-yong SON , Eun-mi Oh , Jung-hoe Kim , Ho-sang Sung , Kang-eun Lee , Ki-hyun Choo
IPC分类号： G10L21/00
CPC分类号： G10L19/00 , G10L19/025
摘要： Provided is a method of encoding an audio/speech signal, the method including determining a variable length of a frame, that is, a processing unit of an input signal in accordance with a position of an attack in the input signal; transforming each frame of the input signal to a frequency domain and dividing the frame into a plurality of sub frequency bands; and, if a signal of a sub frequency band is determined to be encoded in the frequency domain, encoding the signal of the sub frequency band in the frequency domain, and if the signal of the sub frequency band is determined to be encoded in a time domain, inverse transforming the signal of the sub frequency band to the time domain and encoding the inverse transformed signal in the time domain. According to the present invention, the audio/speech signal may be efficiently encoded by controlling time resolution and frequency resolution.
摘要翻译：提供了一种对音频/语音信号进行编码的方法，该方法包括根据输入信号中的攻击位置来确定帧的可变长度，即输入信号的处理单元; 将所述输入信号的每个帧变换为频域并将所述帧划分为多个子频带; 并且如果确定在频域中编码子频带的信号，则对频域中的子频带的信号进行编码，并且如果确定子频带的信号被编码在一个时间域，将子频带的信号逆变换到时域，并对时域中的逆变换信号进行编码。根据本发明，可以通过控制时间分辨率和频率分辨率来有效地编码音频/语音信号。

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