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。

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。

公开(公告)号：US08744089B2

公开(公告)日：2014-06-03

申请号：US12868077

申请日：2010-08-25

申请人： Han-gil Moon ,  Jong-hoon Jeong

发明人： Han-gil Moon ,  Jong-hoon Jeong

IPC分类号： H04R5/00

CPC分类号： H04S3/008 ,  H04S2400/03 ,  H04S2420/01 ,  H04S2420/03 ,  H04S2420/07

摘要： A method of encoding stereo audio that minimizes a number of pieces of side information required for parametric-encoding and parametric-decoding of the stereo audio. The side information may include parameters about interchannel intensity difference (IID), interchannel correlation (IC), overall phase difference (OPD), and interchannel phase difference (IPD), which are required to restore the mono audio to the stereo audio.

摘要翻译： 一种对立体声音频进行编码的方法，其使得对立体声音频的参数编码和参数解码所需的多条边信息最小化。 侧面信息可以包括将单声道音频恢复到立体声音频所需的关于通道间强度差（IID），通道间相关性（IC），总体相位差（OPD）和通道间相位差（IPD））的参数。

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。

公开(公告)号：US08948406B2

公开(公告)日：2015-02-03

申请号：US13204120

申请日：2011-08-05

申请人： Nam-suk Lee ,  Han-gil Moon

发明人： Nam-suk Lee ,  Han-gil Moon

IPC分类号： H04R5/00 ,  G06F17/00 ,  G10L19/008 ,  H04S3/00

CPC分类号： G10L19/008 ,  H04S3/008 ,  H04S2400/03 ,  H04S2420/03

摘要： Provided is a signal processing method for processing a bitstream, an information storage medium including the bitstream, an encoding apparatus, and a decoding apparatus. The signal processing method includes: receiving a bitstream including additional information; extracting first information which is information associated with extraction of the additional information and is included in at least one of additional bitstream information, a skip field, and auxiliary data bits, which are included in the bitstream; and extracting and decoding the additional information by using the first information.

摘要翻译： 提供了一种用于处理比特流的信号处理方法，包括比特流的信息存储介质，编码装置和解码装置。 信号处理方法包括：接收包括附加信息的比特流; 提取与提取附加信息相关联的信息的第一信息，并且被包括在比特流中包括的附加比特流信息，跳过字段和辅助数据比特中的至少一个中; 以及通过使用第一信息来提取和解码附加信息。

公开(公告)号：US08798276B2

公开(公告)日：2014-08-05

申请号：US12761070

申请日：2010-04-15

申请人： Han-gil Moon ,  Chul-woo Lee

发明人： Han-gil Moon ,  Chul-woo Lee

IPC分类号： H04S3/02 ,  G10L19/008 ,  H04S5/02 ,  H04S3/00

CPC分类号： G10L19/008

摘要： A method and apparatus which encode multi-channel audio signals and a method and apparatus which decode multi-channel audio signals. When encoding, a downmixed audio signal, first additional information for restoring multi-channel audio signals from the downmixed audio signal, and second additional information representing characteristics of a residual signal are multiplexed. When decoding, restored multi-channel audio signals having a predetermined phase difference are combined using the second additional information, and an audio signal of each channel is corrected, in order to improve quality of the restored audio signals.

摘要翻译： 编码多声道音频信号的方法和装置以及对多声道音频信号进行解码的方法和装置。 当编码时，下混合音频信号，用于从下混合音频信号恢复多声道音频信号的第一附加信息和表示残差信号特性的第二附加信息被多路复用。 当解码时，使用第二附加信息组合具有预定相位差的恢复的多声道音频信号，并校正每个声道的音频信号，以便提高恢复的音频信号的质量。

公开(公告)号：US08781134B2

公开(公告)日：2014-07-15

申请号：US12868248

申请日：2010-08-25

申请人： Han-gil Moon ,  Chul-woo Lee

发明人： Han-gil Moon ,  Chul-woo Lee

IPC分类号： H04R5/00

CPC分类号： H04S1/007

摘要： A method of encoding stereo audio that minimizes a number of pieces of side information required for parametric-encoding and parametric-decoding of the stereo audio. The side information may include parameters about interchannel intensity difference (IID), interchannel correlation (IC), overall phase difference (OPD), and interchannel phase difference (IPD), which are required to restore the mono audio to the stereo audio.

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。

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。

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。