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1. 发明授权

US08948891B2 Method and apparatus for encoding/decoding multi-channel audio signal by using semantic information 有权
标题翻译：通过使用语义信息对多声道音频信号进行编码/解码的方法和装置
公开(公告)号：US08948891B2
公开(公告)日：2015-02-03
申请号：US12648948
申请日：2009-12-29
申请人： Nam-Suk Lee , Chul-woo Lee , Jong-hoon Jeong , Han-gil Moon , Hyun-wook Kim , Sang-hoon Lee
发明人： Nam-Suk Lee , Chul-woo Lee , Jong-hoon Jeong , Han-gil Moon , Hyun-wook Kim , Sang-hoon Lee
IPC分类号： G06F17/00 , G10L19/20 , G10L19/008 , G10L19/02
CPC分类号： G10L19/20 , G10L19/008 , G10L19/0204
摘要： A multi-channel audio signal encoding and decoding method and apparatus are provided. The multi-channel audio signal encoding method, the method including: obtaining semantic information for each channel; determining a degree of similarity between multi-channels based on the obtained semantic information for each channel; determining similar channels among the multi-channels based on the determined degree of similarity between the multi-channels; and determining spatial parameters between the similar channels and down-mixing audio signals of the similar channels.
摘要翻译：提供了一种多声道音频信号编码和解码方法和装置。多声道音频信号编码方法，该方法包括：获取每个频道的语义信息; 基于所获得的每个信道的语义信息确定多信道之间的相似度; 基于多个信道之间的相似度确定多个信道中的相似信道; 以及确定类似信道之间的空间参数和类似信道的下混合音频信号。

2. 发明授权

US08762158B2 Decoding method and decoding apparatus therefor 有权
标题翻译：解码方法及其解码装置
公开(公告)号：US08762158B2
公开(公告)日：2014-06-24
申请号：US13198763
申请日：2011-08-05
申请人： Hyun-wook Kim , Han-gil Moon , Sang-hoon Lee
发明人： Hyun-wook Kim , Han-gil Moon , Sang-hoon Lee
IPC分类号： G06F15/00 , G10L25/00 , G10L19/00 , G10L21/00 , G10L19/02 , G10L25/90 , G10L25/93 , G10L19/06 , G10L19/12 , G10L21/02 , G10L21/04
CPC分类号： G10L19/0204
摘要： A method and apparatus for generating synthesis audio signals are provided. The method includes decoding a bitstream; splitting the decoded bitstream into n sub-band signals; generating n transformed sub-band signals by transforming the n sub-band signals in a frequency domain; and generating synthesis audio signals by respectively multiplying the n transformed sub-band signals by values corresponding to synthesis filter bank coefficients.
摘要翻译：提供了一种用于产生合成音频信号的方法和装置。该方法包括对比特流进行解码; 将解码的比特流分解成n个子带信号; 通过在频域中变换n个子带信号来产生n个变换的子带信号; 以及通过分别将n个经变换的子带信号乘以与合成滤波器组系数相对应的值来产生合成音频信号。

3. 发明授权

US08433584B2 Multi-channel audio decoding method and apparatus therefor 有权
标题翻译：多声道音频解码方法及其装置
公开(公告)号：US08433584B2
公开(公告)日：2013-04-30
申请号：US12693990
申请日：2010-01-26
申请人： Hyun-wook Kim , Jong-hoon Jeong , Han-gil Moon
发明人： Hyun-wook Kim , Jong-hoon Jeong , Han-gil Moon
IPC分类号： G10L21/00
CPC分类号： G10L19/008
摘要： Provided is a multi-channel audio decoding method and apparatus therefor, the method involving decoding filter bank coefficients of a plurality of bands from a bitstream having a predetermined format; performing frequency transformation on the decoded filter bank coefficients of the plurality of bands, with respect to each of the plurality of bands; compensating for a phase of each of the plurality of bands according to a predetermined phase compensation value, and serially band-synthesizing the frequency-transformed coefficients of each of the plurality of phase-compensated bands on a frequency domain; and decoding a multi-channel audio signal from the band-synthesized frequency-transformed coefficients.
摘要翻译：提供一种多声道音频解码方法及其装置，该方法包括从具有预定格式的比特流中解码多个频带的滤波器组系数; 对所述多个频带的解码滤波器组系数进行相对于所述多个频带中的每一个的频率变换; 根据预定的相位补偿值补偿多个频带中的每一个的相位，并且对频域上的多个相位补偿频带中的每一个的频率变换系数进行串行频带合成; 以及从频带合成的频率变换系数中解码多声道音频信号。

4. 发明授权

US08619996B2 Apparatus and method for transmitting digital multimedia broadcasting data, and method and apparatus for receiving digital multimedia broadcasting data 有权
标题翻译：用于发送数字多媒体广播数据的装置和方法，以及用于接收数字多媒体广播数据的方法和装置
公开(公告)号：US08619996B2
公开(公告)日：2013-12-31
申请号：US12858677
申请日：2010-08-18
申请人： Han-gil Moon , Kyung-sun Cho , Hyun-wook Kim
发明人： Han-gil Moon , Kyung-sun Cho , Hyun-wook Kim
IPC分类号： H04H20/47
CPC分类号： H04H20/89 , H04H20/33 , H04H60/23 , H04H2201/11 , H04L9/065 , H04L2209/601
摘要： Provided are a method and apparatus for transmitting digital multimedia broadcasting data, and a method and apparatus for receiving digital multimedia broadcasting data. A basic audio signal and a multichannel audio signal are encoded to generate a basic audio stream and a multichannel audio stream, and a first data stream describing property and position data of the basic audio stream and a second data stream describing property and position data of the multichannel audio stream are transmitted as independent streams. According to the performance of the receiving apparatus, an audio signal may be decoded by using just the first data stream only or both the first data stream and the second stream.
摘要翻译：提供一种用于发送数字多媒体广播数据的方法和装置，以及用于接收数字多媒体广播数据的方法和装置。编码基本音频信号和多声道音频信号以生成基本音频流和多声道音频流，以及描述基本音频流的属性和位置数据的第一数据流以及描述基本音频流的属性和位置数据的第二数据流多声道音频流作为独立流传输。根据接收装置的性能，可以仅使用第一数据流或第一数据流和第二流二者来解码音频信号。

5. 发明授权

US08948403B2 Method of processing signal, encoding apparatus thereof, decoding apparatus thereof, and signal processing system 有权
标题翻译：处理信号的方法，其编码装置，解码装置和信号处理系统
公开(公告)号：US08948403B2
公开(公告)日：2015-02-03
申请号：US13204179
申请日：2011-08-05
申请人： Nam-suk Lee , Jong-hoon Jeong , Han-gil Moon , Hyun-wook Kim
发明人： Nam-suk Lee , Jong-hoon Jeong , Han-gil Moon , Hyun-wook Kim
IPC分类号： H04R5/00 , G10L19/00 , G10L19/008 , H04S3/00
CPC分类号： G10L19/008 , H04S3/008 , H04S2400/03 , H04S2420/03
摘要： A method processing a signal, an encoding apparatus, and a decoding apparatus are provided. The method of processing a signal includes restoring a down-mixed original signal using a re-quantized prediction parameter to generate a restored signal in an encoding apparatus; generating mute information indicating whether the down-mixed original signal has been muted, according to a value of the restored signal; and transmitting the mute information and the down-mixed original signal from the encoding apparatus to a decoding apparatus.
摘要翻译：提供一种处理信号的方法，编码装置和解码装置。处理信号的方法包括使用重新量化的预测参数恢复下混合的原始信号，以在编码装置中产生恢复的信号; 根据恢复信号的值产生指示下混合原始信号是否被静音的静音信息; 以及将来自编码装置的静音信息和下混合原始信号发送到解码装置。

6. 发明授权

US08582785B2 Method and apparatus to enhance low frequency components and medium frequency components of audio signal 有权
标题翻译：提高音频信号的低频分量和中频分量的方法和装置
公开(公告)号：US08582785B2
公开(公告)日：2013-11-12
申请号：US11761417
申请日：2007-06-12
申请人： Han-gil Moon
发明人： Han-gil Moon
IPC分类号： H03G5/00
CPC分类号： H04S7/307 , H04S1/002 , H04S3/002
摘要： A method and apparatus to enhance one or more low-frequency components and one or more medium-frequency components of an audio signal. The method includes performing filtering on the input audio signal using a plurality of band-pass filters, generating a plurality of harmonic-frequency signals using a plurality of audio signals resulting from the performing filtering operation, and mixing the plurality of harmonic-frequency signals with the input audio signal.
摘要翻译：一种用于增强音频信号的一个或多个低频分量和一个或多个中频分量的方法和装置。该方法包括使用多个带通滤波器对输入音频信号进行滤波，使用由执行滤波操作产生的多个音频信号产生多个谐波频率信号，并将多个谐波频率信号与输入音频信号。

7. 发明授权

US08447618B2 Method and apparatus for encoding and decoding residual signal 有权
标题翻译：剩余信号编码和解码的方法和装置
公开(公告)号：US08447618B2
公开(公告)日：2013-05-21
申请号：US12831353
申请日：2010-07-07
申请人： Han-gil Moon , Nam-suk Lee
发明人： Han-gil Moon , Nam-suk Lee
IPC分类号： G10L19/00
CPC分类号： G10L19/008 , G10L19/0204
摘要： A residual signal decoding method including dividing a signal into a plurality of sub-bands in a frequency domain, wherein the signal is in a residual signal and is encoded with respect to an effective residual signal exceeding a masking curve that is generated with respect to a multi-channel audio signal, transforming the frequency domain into a time domain, and restoring the signal as an effective residual signal by synthesizing signals of the domain-transformed sub-bands.
摘要翻译：一种残差信号解码方法，包括将信号划分成频域中的多个子带，其中所述信号是残差信号，并且相对于超过相对于多频道音频信号，将频域变换成时域，并通过合成域变换子带的信号将信号恢复为有效残留信号。

8. 发明授权

US08392177B2 Method and apparatus for frequency encoding, and method and apparatus for frequency decoding 有权
标题翻译：用于频率编码的方法和装置，以及用于频率解码的方法和装置
公开(公告)号：US08392177B2
公开(公告)日：2013-03-05
申请号：US12363937
申请日：2009-02-02
申请人： Nam-suk Lee , Geon-hyoung Lee , Chul-woo Lee , Jong-hoon Jeong , Han-gil Moon
发明人： Nam-suk Lee , Geon-hyoung Lee , Chul-woo Lee , Jong-hoon Jeong , Han-gil Moon
IPC分类号： G10L19/14
CPC分类号： G10L19/093
摘要： Provided are a method and apparatus for encoding the frequency of a continuation sinusoidal signal and a method and apparatus for decoding the same. In the encoding method, a continuation sinusoidal signal successive to a sinusoidal signal in a previous section is extracted from a current section; a frequency of the continuation sinusoidal signal at the boundary between the current and previous sections is changed to a first frequency, based on representative frequencies of the continuation sinusoidal signal and at least one sinusoidal signal that belongs to a section adjacent to the current section and is successive to the continuation sinusoidal signal; and the first frequency is encoded.
摘要翻译：提供一种用于对连续正弦信号的频率进行编码的方法和装置，以及用于对其进行解码的方法和装置。在编码方法中，从当前部分提取与前一部分中的正弦信号连续的连续正弦信号; 基于连续正弦信号的代表频率和属于与当前部分相邻的部分的至少一个正弦信号，在当前部分和前一部分之间的边界处的连续正弦信号的频率被改变为第一频率，并且是连续的正弦信号; 并且第一频率被编码。

9. 发明授权

US09071920B2 Binaural decoder to output spatial stereo sound and a decoding method thereof 有权
标题翻译：输出空间立体声的双耳解码器及其解码方法
公开(公告)号：US09071920B2
公开(公告)日：2015-06-30
申请号：US13588563
申请日：2012-08-17
申请人： Han-gil Moon , Sun-min Kim , In-gyu Chun
发明人： Han-gil Moon , Sun-min Kim , In-gyu Chun
IPC分类号： H04R5/00 , H04S3/00
CPC分类号： H04S7/30 , H04S1/00 , H04S3/008 , H04S2400/01 , H04S2420/01 , H04S2420/03 , H04S2420/07
摘要： A binaural decoder for an MPEG surround stream, which decodes an MPEG surround stream into a stereo 3D signal, and a decoding method thereof. The method includes dividing a compressed audio stream and head related transfer function (HRTF) data into subbands, selecting predetermined subbands of the HRTF data divided into subbands and filtering the HRTF data to obtain the selected subbands, decoding the audio stream divided into subbands into a stream of multi-channel audio data with respect to subbands according to spatial additional information, and binaural-synthesizing the HRTF data of the selected subbands with the multi-channel audio data of corresponding subbands.
摘要翻译：用于将MPEG环绕流解码为立体声3D信号的MPEG环绕流的双耳解码器及其解码方法。该方法包括将压缩音频流和头相关传输函数（HRTF）数据划分成子带，选择被分成子带的HRTF数据的预定子带，并对HRTF数据进行滤波以获得所选择的子带，将分成子带的音频流解码为根据空间附加信息相对于子带的多声道音频数据流，以及使用相应子带的多声道音频数据对所选择的子带的HRTF数据进行双耳合成。

10. 发明授权

US08438017B2 Method and apparatus for encoding/decoding audio signal using adaptive LPC coefficient interpolation 有权
标题翻译：使用自适应LPC系数插值对音频信号进行编码/解码的方法和装置
公开(公告)号：US08438017B2
公开(公告)日：2013-05-07
申请号：US12361940
申请日：2009-01-29
申请人： Jong-hoon Jeong , Geon-hyoung Lee , Chul-woo Lee , Nam-suk Lee , Han-gil Moon
发明人： Jong-hoon Jeong , Geon-hyoung Lee , Chul-woo Lee , Nam-suk Lee , Han-gil Moon
IPC分类号： G10L19/00
CPC分类号： G10L19/025 , G10L19/04
摘要： Provided are a method and apparatus for encoding or decoding an audio signal by adaptively interpolating a linear predictive coding (LPC) coefficient. In the method and apparatus of encoding or decoding an audio signal, LPC coefficient interpolation is selectively performed depending on whether a transient section is present in a current frame, thereby preventing noise from occurring when interpolating LPC coefficients in the transient section.
摘要翻译：提供了一种通过自适应地内插线性预测编码（LPC）系数来对音频信号进行编码或解码的方法和装置。在对音频信号进行编码或解码的方法和装置中，根据在当前帧中是否存在瞬态部分来选择性地执行LPC系数内插，从而防止在对瞬态部分内插LPC系数时产生噪声。

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