公开(公告)号：US08392177B2

公开(公告)日：2013-03-05

申请号：US12363937

申请日：2009-02-02

Applicant: Nam-suk Lee ,  Geon-hyoung Lee ,  Chul-woo Lee ,  Jong-hoon Jeong ,  Han-gil Moon

Inventor： Nam-suk Lee ,  Geon-hyoung Lee ,  Chul-woo Lee ,  Jong-hoon Jeong ,  Han-gil Moon

IPC: G10L19/14

CPC classification number: G10L19/093

Abstract: 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.

Abstract translation: 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。

公开(公告)号：US20130022205A1

公开(公告)日：2013-01-24

申请号：US13588563

申请日：2012-08-17

Applicant: Han-gil MOON ,  Sun-min KIM ,  In-gyu CHUN

Inventor： Han-gil MOON ,  Sun-min KIM ,  In-gyu CHUN

IPC: H04R5/00

CPC classification number: H04S7/30 ,  H04S1/00 ,  H04S3/008 ,  H04S2400/01 ,  H04S2420/01 ,  H04S2420/03 ,  H04S2420/07

Abstract: 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.

Abstract translation: 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：US20110047155A1

公开(公告)日：2011-02-24

申请号：US12988426

申请日：2009-04-16

Applicant: Yu-Mi Sohn ,  Hae-Kyung Jung ,  Young-Yoon Lee ,  Han-Gil Moon

Inventor： Yu-Mi Sohn ,  Hae-Kyung Jung ,  Young-Yoon Lee ,  Han-Gil Moon

IPC: G06F17/30

CPC classification number: G10L19/167 ,  G10H2220/086 ,  G10H2240/131 ,  G10L19/022 ,  H04N19/109 ,  H04N19/11 ,  H04N19/134 ,  H04N19/14 ,  H04N19/176 ,  H04N19/186 ,  H04N19/46 ,  H04N19/61

Abstract: Metadata includes information for effectively presenting content, and the information included in the metadata includes some information useful for encoding or decoding of multimedia data. Thus, although syntax information of the metadata is provided for an information search, an increase of encoding or decoding efficiency of data can be achieved by using strong connection between the syntax information and the data.

Abstract translation: 元数据包括用于有效呈现内容的信息，并且包括在元数据中的信息包括对多媒体数据的编码或解码有用的一些信息。 因此，尽管为信息搜索提供元数据的语法信息，但是可以通过使用语法信息和数据之间的强连接来实现数据的编码或解码效率的提高。

公开(公告)号：US20110046963A1

公开(公告)日：2011-02-24

申请号：US12693990

申请日：2010-01-26

Applicant: Hyun-wook KIM ,  Jong-hoon JEONG ,  Han-gil MOON

Inventor： Hyun-wook KIM ,  Jong-hoon JEONG ,  Han-gil MOON

IPC: G10L19/00

CPC classification number: G10L19/008

Abstract: 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.

Abstract translation: 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：US20080167880A1

公开(公告)日：2008-07-10

申请号：US11631009

申请日：2005-07-08

Applicant: Jeong II Seo ,  Han Gil Moon ,  Seung Kwon Beack ,  Kyeong Ok Kang ,  In Seon Jang ,  Koeng Mo Sung ,  Min Soo Hahn ,  Jin Woo Hong

Inventor： Jeong II Seo ,  Han Gil Moon ,  Seung Kwon Beack ,  Kyeong Ok Kang ,  In Seon Jang ,  Koeng Mo Sung ,  Min Soo Hahn ,  Jin Woo Hong

IPC: G10L21/00

CPC classification number: G10L19/008 ,  H04S3/002 ,  H04S2420/03

Abstract: Provided is a method and apparatus for encoding/decoding a multi-channel audio signal. The apparatus for encoding a multi-channel audio signal includes a frame converter for converting the multi-channel audio signal into a framed audio signal; means for downmixing the framed audio signal; means for encoding the downmixed audio signal; a source location information estimator for estimating source location information from the framed multi-channel audio signal; means for quantizing the estimated source location information; and means for multiplexing the encoded audio signal and the quantized source location information, to generate an encoded multi-channel audio signal.

Abstract translation: 提供了一种用于对多声道音频信号进行编码/解码的方法和装置。 用于编码多声道音频信号的装置包括用于将多声道音频信号转换为成帧音频信号的帧转换器; 用于降低框架音频信号的装置; 用于对下混合音频信号进行编码的装置; 源位置信息估计器，用于从成帧的多声道音频信号估计源位置信息; 用于量化估计的源位置信息的装置; 以及用于复用经编码的音频信号和量化源位置信息的装置，以产生编码的多声道音频信号。

公开(公告)号：US09478223B2

公开(公告)日：2016-10-25

申请号：US13638820

申请日：2010-04-23

Applicant: Han-Gil Moon ,  Chul-Woo Lee

Inventor： Han-Gil Moon ,  Chul-Woo Lee

IPC: H04R5/00 ,  G10L19/008

CPC classification number: G10L19/008

Abstract: Provided are a multi-channel audio down-mixing method and apparatus for selecting down-mix target channels based on a calculation of correlations between channels and then down-mixing the down-mix target channels. The method includes: calculating correlations between channels of multi-channel audio; selecting a first channel and a second channel, among the channels of the multi-channel audio, that are to be down-mixed, based on the calculated correlations; and down-mixing the selected first channel and the selected second channel.

Abstract translation: 提供了一种多声道音频下混合方法和装置，用于基于通道之间的相关性的计算来选择下混通道目标通道，然后下混合目标通道。 该方法包括：计算多声道音频信道之间的相关性; 基于所计算的相关性，在所述多声道音频的所述声道之间选择要被混合的第一声道和第二声道; 并且对所选择的第一通道和所选择的第二通道进行下混。

公开(公告)号：US08948403B2

公开(公告)日：2015-02-03

申请号：US13204179

申请日：2011-08-05

Applicant: Nam-suk Lee ,  Jong-hoon Jeong ,  Han-gil Moon ,  Hyun-wook Kim

Inventor： Nam-suk Lee ,  Jong-hoon Jeong ,  Han-gil Moon ,  Hyun-wook Kim

IPC: H04R5/00 ,  G10L19/00 ,  G10L19/008 ,  H04S3/00

CPC classification number: G10L19/008 ,  H04S3/008 ,  H04S2400/03 ,  H04S2420/03

Abstract: 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.

Abstract translation: 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：US08843380B2

公开(公告)日：2014-09-23

申请号：US12174936

申请日：2008-07-17

Applicant: Chul-woo Lee ,  Geon-hyoung Lee ,  Jong-hoon Jeong ,  Nam-suk Lee ,  Han-gil Moon

Inventor： Chul-woo Lee ,  Geon-hyoung Lee ,  Jong-hoon Jeong ,  Nam-suk Lee ,  Han-gil Moon

IPC: G10L19/00 ,  G10L19/08 ,  G10L19/025

CPC classification number: G10L19/08 ,  G10L19/025

Abstract: Encoding and decoding of residual signals are provided. In a method of encoding a residual signal of an audio signal, the residual signal is divided into a plurality of sections having different sizes, based on a change of the residual signal. Then, section division information representing information about the divided sections and section-by-section residual signal information representing characteristics of the sections of the residual signal are acquired. Thereafter, the residual signal is encoded based on the section division information and the section-by-section residual signal information.

Abstract translation: 提供残留信号的编码和解码。 在对音频信号的残差信号进行编码的方法中，残差信号根据残差信号的变化被划分为具有不同大小的多个部分。 然后，获取表示关于分割部分的信息的部分分割信息和表示残留信号的各部分的特征的逐段残差信号信息。 此后，基于区段分割信息和逐段残差信号对剩余信号进行编码。

公开(公告)号：US08762158B2

公开(公告)日：2014-06-24

申请号：US13198763

申请日：2011-08-05

Applicant: Hyun-wook Kim ,  Han-gil Moon ,  Sang-hoon Lee

Inventor： Hyun-wook Kim ,  Han-gil Moon ,  Sang-hoon Lee

IPC: G06F15/00 ,  G10L25/00 ,  G10L19/00 ,  G10L21/00 ,  G10L19/02 ,  G10L25/90 ,  G10L25/93 ,  G10L19/06 ,  G10L19/12 ,  G10L21/02 ,  G10L21/04

CPC classification number: G10L19/0204

Abstract: 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.

Abstract translation: 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。

公开(公告)号：US08744089B2

公开(公告)日：2014-06-03

申请号：US12868077

申请日：2010-08-25

Applicant: Han-gil Moon ,  Jong-hoon Jeong

Inventor： Han-gil Moon ,  Jong-hoon Jeong

IPC: H04R5/00

CPC classification number: H04S3/008 ,  H04S2400/03 ,  H04S2420/01 ,  H04S2420/03 ,  H04S2420/07

Abstract: 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.

Abstract translation: 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。