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11. 发明申请

US20060136198A1 Method and apparatus for low bit rate encoding and decoding 有权
标题翻译：用于低比特率编码和解码的方法和装置
公开(公告)号：US20060136198A1
公开(公告)日：2006-06-22
申请号：US11312457
申请日：2005-12-21
申请人： Junghoe Kim , Eunmi Oh , Boris Kudryashov , Konstantin Osipov
发明人： Junghoe Kim , Eunmi Oh , Boris Kudryashov , Konstantin Osipov
IPC分类号： G10L11/04
CPC分类号： G10L19/028 , G10L19/0017 , G10L19/02
摘要： An apparatus and method of low bit rate encoding and reproducing. The method includes transforming input audio signals in a time domain into spectral signals in a frequency domain, extracting important-spectrum components from the spectral signals in the frequency domain, and quantizing the important-spectrum components, extracting residual-spectrum components other than the important-spectrum components from the spectral signals in the frequency domain, and calculating and quantizing a noise level of the residual-spectrum components, and encoding the quantized important-spectrum components and the quantized noise level losslessly, and outputting encoded bitstreams.
摘要翻译：低比特率编码和再现的装置和方法。该方法包括将时域中的输入音频信号变换为频域的频谱信号，从频域的频谱信号中提取重要的频谱分量，并量化重要的频谱分量，提取重要频谱成分以外的残余频谱分量频域中的频谱信号的频谱分量，以及计算和量化残余频谱分量的噪声电平，以及对量化的重要频谱分量和量化噪声电平进行无损编码，并输出编码比特流。

12. 发明申请

US20060013405A1 Multichannel audio data encoding/decoding method and apparatus 审中-公开
标题翻译：多声道音频数据编码/解码方法及装置
公开(公告)号：US20060013405A1
公开(公告)日：2006-01-19
申请号：US11180625
申请日：2005-07-14
申请人： Ennmi Oh , Miyoung Kim , Sangwook Kim , Dohyung Kim , Junghoe Kim
发明人： Ennmi Oh , Miyoung Kim , Sangwook Kim , Dohyung Kim , Junghoe Kim
IPC分类号： H04R5/00
CPC分类号： H04S3/008 , G10L19/008
摘要： A multichannel audio data encoding and/or decoding method and apparatus. The encoding method includes: encoding mono and/or stereo audio data; and encoding extended multichannel audio data other than the mono and/or stereo audio data. The decoding method includes: decoding mono and/or stereo audio data; examining whether there is extended multichannel audio data to be decoded other than the mono and/or stereo audio data; and when there is extended data to be decoded, decoding the extended multichannel audio data.
摘要翻译：多声道音频数据编码和/或解码方法和装置。编码方法包括：对单声道和/或立体声音频数据进行编码; 以及对单声道和/或立体声音频数据以外的扩展多声道音频数据进行编码。解码方法包括：对单声道和/或立体声音频数据进行解码; 检查除了单声道和/或立体声音频数据之外是否存在要被解码的扩展多声道音频数据; 并且当存在要解码的扩展数据时，对扩展的多声道音频数据进行解码。

13. 发明授权

US09087511B2 Method, medium, and system for generating a stereo signal 有权
标题翻译：用于产生立体声信号的方法，媒体和系统
公开(公告)号：US09087511B2
公开(公告)日：2015-07-21
申请号：US11707989
申请日：2007-02-20
申请人： Junghoe Kim , Eunmi Oh , Kihyun Choo , Miao Lei
发明人： Junghoe Kim , Eunmi Oh , Kihyun Choo , Miao Lei
IPC分类号： H04R5/00 , G10L19/008 , H04S1/00 , H04S3/00 , H04S7/00
CPC分类号： H04N13/161 , G10L19/008 , H04S1/007 , H04S3/008 , H04S7/308 , H04S2420/03
摘要： Surround audio decoding for selectively generating an audio signal from a multi-channel signal. In the surround audio decoding, a down-mixed signal, e.g., as down-mixed by an encoding terminal, is selectively up-mixed to a stereo signal or a multi-channel signal, by generating spatial information for generating the stereo signal, using spatial information for up-mixing the down-mixed signal to the multi-channel signal.
摘要翻译：环绕音频解码，用于从多声道信号选择性地产生音频信号。在环绕音频解码中，通过生成用于产生立体声信号的空间信息，例如通过编码终端下混合的下混合信号被选择性地上混为立体声信号或多声道信号，使用用于将下混合信号上混合到多声道信号的空间信息。

14. 发明授权

US08046235B2 Apparatus and method of encoding audio data and apparatus and method of decoding encoded audio data 失效
标题翻译：编码音频数据的装置和方法以及对编码音频数据进行解码的方法
公开(公告)号：US08046235B2
公开(公告)日：2011-10-25
申请号：US12923171
申请日：2010-09-07
申请人： Miyoung Kim , Sangwook Kim , Dohyung Kim , Shihwa Lee , Junghoe Kim
发明人： Miyoung Kim , Sangwook Kim , Dohyung Kim , Shihwa Lee , Junghoe Kim
IPC分类号： G10L19/00
CPC分类号： G10L21/038 , G10L19/0017 , G10L19/24
摘要： An apparatus and method encode audio data, and an apparatus and method decode encoded audio data. An audio data encoding apparatus includes: a scalable encoding unit dividing audio data into a plurality of layers, representing the audio data in predetermined numbers of bits in each of the plurality of layers, and encoding a lower layer prior to encoding an upper layer and an upper bit of each layer prior to encoding a lower bit of each layer; an SBR encoding unit generating spectral band replication (SBR) data that has information with respect to audio data in a frequency band of frequencies equal to or greater than a predetermined frequency among the audio data to be encoded, and encoding the SBR data; and a bitstream production unit generating a bitstream using the encoded SBR data and the encoded audio data corresponding to a predetermined bitrate.
摘要翻译：一种对音频数据进行编码的装置和方法，并且对编码音频数据进行解码的装置和方法。音频数据编码装置包括：可分级编码单元，将音频数据划分成多个层，以多个层中的每个层中的预定位数表示音频数据;以及在对上层进行编码之前编码下层，在对每个层的较低位进行编码之前的每一层的高位; SBR编码单元，生成频谱带复制（SBR）数据，其对于要编码的音频数据中具有等于或大于预定频率的频率的频带中的音频数据具有信息，并对SBR数据进行编码; 以及比特流产生单元，其使用编码的SBR数据和对应于预定比特率的编码音频数据来生成比特流。

15. 发明授权

US07933416B2 Method and apparatus for encoding and decoding multi-channel signals 有权
标题翻译：用于对多声道信号进行编码和解码的方法和装置
公开(公告)号：US07933416B2
公开(公告)日：2011-04-26
申请号：US11313995
申请日：2005-12-22
申请人： Dohyung Kim , Junghoe Kim , Shihwa Lee
发明人： Dohyung Kim , Junghoe Kim , Shihwa Lee
IPC分类号： H04R5/00
CPC分类号： G10L19/008 , G10L19/04 , G10L25/12
摘要： A method of encoding multi-channel signals having two or more channels into a first signal and a second signal, and an apparatus to perform the method, the method including generating the first signal by performing a first operation using a first channel signal in the multi-channel signals; and generating the second signal by performing a second operation using a combination of the first channel signal and a second channel signal in the multi-channel signals.
摘要翻译：一种将具有两个或更多个信道的多信道信号编码成第一信号和第二信号的方法，以及执行该方法的装置，该方法包括通过使用该多路复用器中的第一信道信号执行第一操作来产生第一信号通道信号; 以及通过在多信道信号中使用第一信道信号和第二信道信号的组合执行第二操作来产生第二信号。

16. 发明授权

US07660720B2 Lossless audio coding/decoding method and apparatus 有权
标题翻译：无损音频编码/解码方法及装置
公开(公告)号：US07660720B2
公开(公告)日：2010-02-09
申请号：US11076284
申请日：2005-03-10
申请人： Ennmi Oh , Junghoe Kim , Miao Lei , Shihwa Lee , Sangwook Kim
发明人： Ennmi Oh , Junghoe Kim , Miao Lei , Shihwa Lee , Sangwook Kim
IPC分类号： G10L19/00
CPC分类号： G10L19/0017
摘要： A lossless audio coding and/or decoding method and apparatus are provided. The coding method includes: mapping the audio signal in the frequency domain having an integer value into a bit-plane signal with respect to the frequency; obtaining a most significant bit and a Golomb parameter for each bit-plane; selecting a binary sample on a bit-plane to be coded in the order from the most significant bit to the least significant bit and from a lower frequency component to a higher frequency component; calculating the context of the selected binary sample by using significances of already coded bit-planes for each of a plurality of frequency lines existing in the vicinity of a frequency line to which the selected binary sample belongs; selecting a probability model by using the obtained Golomb parameter and the calculated contexts; and lossless-coding the binary sample by using the selected probability model. According to the method and apparatus, a compression ratio better than that of the bit-plane Golomb code (BPGC) is provided through context-based coding method having optimal performance.
摘要翻译：提供了一种无损音频编码和/或解码方法和装置。编码方法包括：将具有整数值的频域中的音频信号映射到相对于频率的位平面信号中; 为每个位平面获取最高有效位和Golomb参数; 在从最高有效位到最低有效位以及从较低频率分量到较高频率分量的顺序中选择待编码的位平面上的二进制采样; 通过使用存在于所选择的二进制样本所属的频率线附近的多个频率线中的每一个的已经编码的位平面的重要性来计算所选二进制样本的上下文; 通过使用获得的Golomb参数和计算的上下文来选择概率模型; 并通过使用所选择的概率模型对二进制样本进行无损编码。根据该方法和装置，通过具有最佳性能的基于上下文的编码方法提供比位平面Golomb码（BPGC）的压缩比更好的压缩比。

17. 发明申请

US20080037795A1 Method, medium, and system decoding compressed multi-channel signals into 2-channel binaural signals 有权
标题翻译：方法，中，系统将压缩的多通道信号解码为2通道双耳信号
公开(公告)号：US20080037795A1
公开(公告)日：2008-02-14
申请号：US11652687
申请日：2007-01-12
申请人： Sangchul Ko , Junghoe Kim
发明人： Sangchul Ko , Junghoe Kim
IPC分类号： H04R5/00
CPC分类号： H04S3/002 , H04S3/004 , H04S2420/01
摘要： A decoding method, medium, and system decoding an input compressed multi-channel signal, as a mono or stereo signal, into 2-channel binaural signals. Channel signals making up the multi-channel signals may be reconstructed from the input compressed signal in the quadrature mirror filter (QMF) domain, and head related transfer functions (HRTFs) for localizing channel signals in the frequency domain, represented as values in the time domain, may be transformed into spatial parameters in the QMF domain. Accordingly, channel signals may be localized in the QMF domain in directions corresponding to the channels, thereby decoding the input compressed signal as 2-channel binaural signals.
摘要翻译：将作为单声道或立体声信号的输入压缩多声道信号的解码方法，媒体和系统解码为2声道双耳信号。可以从正交镜像滤波器（QMF）域中的输入压缩信号和用于定位频域中的信道信号的头相关传输函数（HRTF）重建构成多声道信号的信道信号，表示为时间中的值域，可以转换为QMF域中的空间参数。因此，信道信号可以在与频道对应的方向上定位在QMF域中，从而将输入的压缩信号解码为2声道双耳信号。

18. 发明授权

US07330139B2 Scalable audio data arithmetic decoding method, medium, and apparatus, and method, medium, and apparatus truncating audio data bitstream 有权
公开(公告)号：US07330139B2
公开(公告)日：2008-02-12
申请号：US11330168
申请日：2006-01-12
申请人： Junghoe Kim , Eunmi Oh , Changyong Son , Kihyun Choo
发明人： Junghoe Kim , Eunmi Oh , Changyong Son , Kihyun Choo
IPC分类号： H03M7/00
CPC分类号： G10L19/0017 , G10L19/24 , G10L21/038
摘要： A scalable audio data arithmetic decoding method, medium, and apparatus, and a method, medium, and apparatus truncating an audio data bitstream. The arithmetic decoding method of decoding a scalable arithmetic coded symbol may include arithmetic decoding of a symbol by using the symbol and a probability value for the symbol desired to be decoded, and determining whether or not to continue decoding by checking an ambiguity indicating whether or not decoding of the symbol to be decoded is completed. According to a method, medium, and apparatus of the present invention, data to which scalability is applied when arithmetic coding is performed in MPEG-4 scalable lossless audio coding can be efficiently decoded. Even when a bitstream is truncated, a decoding termination point can be known such that additional decoding of the truncated part can be performed.

19. 发明申请

US20070291835A1 Encoder and decoder to encode signal into a scable codec and to decode scalable codec, and encoding and decoding methods of encoding signal into scable codec and decoding the scalable codec 有权
标题翻译：编码器和解码器将信号编码成可编解码器并解码可扩展编解码器，并将编码信号的编码和解码方法转换成可编解码器并解码可扩展编解码器
公开(公告)号：US20070291835A1
公开(公告)日：2007-12-20
申请号：US11709254
申请日：2007-02-22
申请人： Hosang Sung , Eunmi Oh , Junghoe Kim , Kangeun Lee
发明人： Hosang Sung , Eunmi Oh , Junghoe Kim , Kangeun Lee
IPC分类号： H04B1/66 , G11B11/00
CPC分类号： G10L19/12 , G10L19/24 , H04N19/115 , H04N19/164 , H04N19/187 , H04N19/30 , H04N21/234327 , H04N21/2402 , H04N21/2662 , H04N21/6437
摘要： An encoder and decoder to encode one or more input signals into a scalable codec and to decode the scalable codec, and encoding and decoding methods using a bitstream with a layered structure in the scalable codec change a top coding bit rate to encode the input signals according to a network status, and the bitstream is decoded by analyzing the top coding bit rate included in the bitstream.
摘要翻译：编码器和解码器将一个或多个输入信号编码成可扩展编解码器并对可伸缩编解码器进行解码，以及使用具有可分级编解码器中的分层结构的比特流进行编码和解码方法，改变顶编码比特率以对输入信号进行编码通过分析比特流中包括的顶部编码比特率来解码比特流。

20. 发明申请

US20070233296A1 Method, medium, and apparatus with scalable channel decoding 有权
标题翻译：方法，媒介和具有可扩展信道解码的装置
公开(公告)号：US20070233296A1
公开(公告)日：2007-10-04
申请号：US11652031
申请日：2007-01-11
申请人： Junghoe Kim , Eunmi Oh , Kihyun Choo , Mino Lei
发明人： Junghoe Kim , Eunmi Oh , Kihyun Choo , Mino Lei
IPC分类号： G06F17/00
CPC分类号： G10L19/24 , G10L19/008
摘要： A method, medium, and apparatus with scalable channel decoding. The method includes recognizing the configuration of channels or speakers, calculating the number of decoding levels for each multi-channel signal using the recognized configuration of the channels or speakers, and performing decoding and up-mixing according to the calculated number of decoding levels.
摘要翻译：具有可扩展信道解码的方法，介质和装置。该方法包括识别通道或扬声器的配置，使用识别的通道或扬声器的配置来计算每个多声道信号的解码电平的数量，以及根据所计算的解码电平的数量进行解码和上混合。

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