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公开(公告)号：KR1020150013073A
公开(公告)日：2015-02-04
申请号：KR1020140094746
申请日：2014-07-25
Applicant: 한국전자통신연구원
CPC classification number: H04S7/302 , G10L19/008 , H04S2420/01 , H04S2420/03
Abstract: 다채널 오디오 신호의 바이노럴 렌더링 방법 및 장치가 개시된다. 바이노럴 렌더링 방법은 바이노럴 필터로부터 초기 반사음 성분과 잔향 성분을 추출하는 단계; 상기 초기 반사음 성분에 기초하여 다채널 오디오 신호를 바이노럴 렌더링함으로써 스테레오 오디오 신호를 생성하는 단계; 및 상기 잔향 성분을 상기 생성된 스테레오 신호에 적용하는 단계를 포함할 수 있다.
Abstract translation: 公开了一种用于解码多声道音频信号的双耳渲染方法和装置。 双耳渲染方法可以包括：从双耳滤波器提取早期反射声音分量和后期混响分量; 通过基于早期反射的声音分量执行多声道音频信号的双耳渲染来产生立体声音频信号; 以及将后期混响分量应用于所生成的立体声音频信号。 因此，当执行多声道音频信号的双耳渲染时，可以通过优化双耳滤波器的抽头数来减少双耳渲染的计算复杂度。
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公开(公告)号：KR1020140125745A
公开(公告)日：2014-10-29
申请号：KR1020140046741
申请日：2014-04-18
Applicant: 한국전자통신연구원
CPC classification number: H04S3/008 , G10L19/008 , H04S2400/01
Abstract: 다채널 오디오 신호 처리 장치 및 방법이 개시된다. 다채널 오디오 신호 처리 방법은 M개 채널의 오디오 신호를 다운믹스하여 N개 채널의 오디오 신호를 생성하는 단계; 및 상기 N개 채널의 오디오 신호를 바이노럴 렌더링하여 스테레오 오디오 신호를 생성하는 단계를 포함할 수 있다.
Abstract translation: 公开了一种用于处理多声道音频信号的装置和方法。 用于处理多声道音频信号的方法包括以下步骤：通过执行M声道音频信号的下混合来产生N声道音频信号; 以及通过执行N声道音频信号的双耳渲染来产生立体声音频信号。
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公开(公告)号：KR1020140047005A
公开(公告)日：2014-04-21
申请号：KR1020130121247
申请日：2013-10-11
IPC: H04S3/00
CPC classification number: G06F3/16 , G06F3/165 , G10L19/008 , G10L19/167 , H04S3/008 , H04S2400/11
Abstract: Disclosed are an apparatus and a method for generating audio data, and an apparatus and a method for playing the audio data. The apparatus for playing the audio data according to one embodiment of the present invention extracts a descriptor regarding a multichannel audio signal from a bit stream generated by the apparatus for generating the audio data and plays the multichannel audio signal based on the extracted descriptor. The descriptor includes information about an audio signal included in the multichannel audio signal.
Abstract translation: 公开了一种用于产生音频数据的装置和方法，以及用于播放音频数据的装置和方法。 根据本发明的一个实施例的用于播放音频数据的装置从由用于生成音频数据的装置产生的比特流中提取关于多声道音频信号的描述符，并且基于所提取的描述符播放多声道音频信号。 描述符包括关于包括在多声道音频信号中的音频信号的信息。
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34.发明公开오디오 데이터 제공 방법 및 장치, 오디오 메타데이터 제공 방법 및 장치, 오디오 데이터 재생 방법 및 장치 审中-实审用于提供音频数据的方法和装置，用于提供音频元数据的方法和装置，用于播放音频数据的方法和装置
公开(公告)号：KR1020130127344A
公开(公告)日：2013-11-22
申请号：KR1020120091086
申请日：2012-08-21
Applicant: 한국전자통신연구원
IPC: H04S3/00
CPC classification number: H04S3/008 , G10L19/008 , G10L19/173 , H04S3/02 , H04S2400/01 , H04S2400/03
Abstract: An audio data providing method, a device thereof, an audio metadata providing method, a device thereof, an audio data play method, and a device thereof are disclosed. The audio data providing method includes a step of generating audio metadata including audio object information and audio channel information of audio raw data, a step of generating audio data by combining the raw data with the metadata, and a step of transmitting the audio data to the audio data play device. [Reference numerals] (210) Audio data providing device;(220) Audio metadata generating unit;(230) Audio data generating unit;(240) Audio data transmitting unit;(250) Audio data playing device;(260) Audio data receiving unit;(270) Audio metadata analyzing unit;(280) Audio raw data playing unit
Abstract translation: 公开了一种音频数据提供方法，其装置，音频元数据提供方法，其装置，音频数据播放方法及其装置。 音频数据提供方法包括生成包括音频原始数据的音频对象信息和音频信道信息的音频元数据的步骤，通过将原始数据与元数据组合来产生音频数据的步骤，以及将音频数据发送到 音频数据播放设备。 （210）音频数据提供装置;（220）音频元数据生成单元;（230）音频数据生成单元;（240）音频数据发送单元;（250）音频数据播放装置;（260）音频数据接收 单元;（270）音频元数据分析单元;（280）音频原始数据播放单元
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公开(公告)号：KR1020130093798A
公开(公告)日：2013-08-23
申请号：KR1020120000241
申请日：2012-01-02
Applicant: 한국전자통신연구원
CPC classification number: G10L19/008
Abstract: PURPOSE: An encoding and decoding device of a multi-channel signal and a method thereof are provided to encode and decode a multi-channel signal having many channel numbers with an existing encoder and an existing decoder by converting and transmitting the multi-channel signal having the many channel numbers into the multi-channel signal having small channel numbers and by restoring the transmitted multi-channel signal to the initial multi-channel signal. CONSTITUTION: A multi-channel signal converting unit (111) converts a first multi-channel signal into a second multi-channel signal having channel numbers which are smaller than the first multi-channel signal. A residual signal generating unit (112) generates residual signals by using the difference of the first multi-channel signal and the second multi-channel signal. An encoding unit (113) encodes the second multi-channel signal and the residual signal. [Reference numerals] (111,123) Multi-channel signal converting unit; (112) Residual signal generating unit; (113,122) Encoding unit; (114) Signal output unit; (121) Signal extracting unit; (AA,120) Multi-channel signal encoding device
Abstract translation: 目的：提供一种多信道信号的编码和解码装置及其方法，用现有编码器和现有解码器对具有多个信道号的多信道信号进行编码和解码，通过转换和发送具有 将多个信道号输入具有小信道号的多信道信号，并将所发送的多信道信号恢复到初始多信道信号。 构成：多声道信号转换单元（111）将第一多声道信号转换成具有小于第一多声道信号的通道号的第二多声道信号。 残留信号生成单元（112）通过使用第一多声道信号和第二多声道信号的差产生残差信号。 编码单元（113）对第二多声道信号和残留信号进行编码。 （附图标记）（111,123）多声道信号转换单元; （112）残余信号发生单元; （113,122）编码单元; （114）信号输出单元; （121）信号提取单元; （AA，120）多声道信号编码装置
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Patent Agency Ranking
公开(公告)号：KR1020130078534A
公开(公告)日：2013-07-10
申请号：KR1020110147537
申请日：2011-12-30
Applicant: 한국전자통신연구원
CPC classification number: H04S3/008 , G10L19/008 , H04S2400/03 , H04S2420/13
Abstract: PURPOSE: A front wave field synthesis (WFS) system and a method for providing surround sound using a 7.1 channel codec are provided to install fewer loud speakers and offer a wave field effect. CONSTITUTION: A front WFS system includes a front WFS signal encoding device (110). The front WFS signal encoding device includes a content receiving unit (111) and an encoding unit (112). The content receiving unit receives WFS content including first channels corresponding to a front array speaker and second channels corresponding to a surround speaker. The encoding unit encodes the first channel and the second channel by a multi-channel encoder corresponding to the number of channels included in the WFS content. The encoding unit performs encoding by inputting the first channel and the second channel to the multi-channel encoder according to the condition for identifying the first and second channels. [Reference numerals] (110) Front WFS signal encoding device; (111) Content receiving unit; (112) Encoding unit; (113) Signal transmitting unit; (120) Front WFS signal decoding device; (121) Decoding unit; (122) Channel classifying unit; (123) Channel transmitting unit
Abstract translation: 目的：提供前波场合成（WFS）系统和使用7.1声道编解码器提供环绕声的方法来安装较少扬声器并提供波场效应。 构成：前WFS系统包括前WFS信号编码装置（110）。 前端WFS信号编码装置包括内容接收单元（111）和编码单元（112）。 内容接收单元接收包括对应于前阵列扬声器的第一声道和对应于环绕扬声器的第二声道的WFS内容。 编码单元通过对应于包括在WFS内容中的频道数量的多通道编码器对第一通道和第二通道进行编码。 编码单元根据用于识别第一和第二信道的条件，将第一信道和第二信道输入到多信道编码器来执行编码。 （附图标记）（110）前WFS信号编码装置; （111）内容接收单元; （112）编码单元; （113）信号发送单元; （120）前置WFS信号解码装置; （121）解码单元; （122）信道分类单元; （123）信道发送单元
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37.发明公开
公开(公告)号：KR1020130054159A
公开(公告)日：2013-05-24
申请号：KR1020120127499
申请日：2012-11-12
Applicant: 한국전자통신연구원
IPC: G10L19/005
CPC classification number: G10L19/008 , G10L19/24
Abstract: PURPOSE: An encoding device for supporting a scalable multi-channel audio signal, a decoding device, and a method thereof are provided to restore and compress a multi-channel audio signal for providing three-dimensional audio in a realistic broadcasting environment. CONSTITUTION: A signal generator(201) generates a compatible multi-channel audio signal using a multi-channel audio signal and an audio object signal. An encoding unit(202) generates a first bit stream through a hierarchical encoding of the compatible multi-channel audio signal. A second encoding unit(203) generates a second bit stream through the encoding of the audio object signal. A bit stream formatter(204) generates an output bit stream using the first and second bit streams. [Reference numerals] (101) Encoding device; (201) Signal generator; (202) First encoding unit; (203) Second encoding unit; (204) Bit stream formatter; (AA) Multichannel audio signal; (BB) Audio object signal; (CC) Compatible multichannel audio signal; (DD) Second bit stream; (EE) First bit stream; (FF) First additional information; (GG) Second additional information; (HH) Third additional information; (II) Output bit stream
Abstract translation: 目的：提供一种用于支持可扩展多声道音频信号的编码装置，解码装置及其方法，用于恢复和压缩用于在逼真的广播环境中提供三维音频的多声道音频信号。 构成：信号发生器（201）使用多声道音频信号和音频对象信号产生兼容的多声道音频信号。 编码单元（202）通过兼容多声道音频信号的分层编码产生第一比特流。 第二编码单元（203）通过音频对象信号的编码产生第二位流。 比特流格式化器（204）使用第一和第二比特流产生输出比特流。 （101）编码装置; （201）信号发生器; （202）第一编码单元; （203）第二编码单元; （204）比特流格式化器; （AA）多声道音频信号; （BB）音频对象信号; （CC）兼容的多声道音频信号; （DD）第二位流; （EE）第一位流; （FF）第一附加信息; （GG）第二附加信息; （HH）第三次附加信息; （II）输出比特流
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公开(公告)号：KR1020120119964A
公开(公告)日：2012-11-01
申请号：KR1020110084014
申请日：2011-08-23
Applicant: 한국전자통신연구원
CPC classification number: H04S3/006
Abstract: PURPOSE: A method and apparatus for reproducing a 3 dimensional sound field are provided to improve robustness of the apparatus by evenly distributing energy of source strength. CONSTITUTION: A control region is determined based on a wavelength of an excitation frequency(101). One or more candidate control points are arranged on the control region based on a loud speaker array(102). A non-uniform control point corresponding to a non-uniform loudspeaker is determined from the candidate control points(103). The non-uniform control point to be added to the control point is determined(104). Determination of the non-uniform control point is performed based on an inner product of a target unit vector corresponding to the target control point and a candidate unit vector corresponding to the candidate control point. [Reference numerals] (101) Control region determination; (102) Arrangement of a candidate control point; (103) Determination of a non-uniform control point corresponding to a non-uniform loudspeaker; (104) Determination of adding the non-uniform control point to the control point; (AA) Start; (BB) End
Abstract translation: 目的：提供一种用于再现三维声场的方法和装置，以通过均匀分布源强度的能量来改善装置的鲁棒性。 构成：基于激励频率的波长来确定控制区域（101）。 一个或多个候选控制点基于扬声器阵列（102）布置在控制区域上。 从候选控制点（103）确定对应于不均匀扬声器的不均匀控制点。 确定要添加到控制点的不均匀控制点（104）。 基于与目标控制点对应的目标单位矢量与候选控制点对应的候选单位矢量的内积来执行不均匀控制点的确定。 （附图标记）（101）控制区域确定; （102）候选人控制点的安排; （103）确定对应于不均匀扬声器的不均匀控制点; （104）确定将不均匀控制点添加到控制点; （AA）开始; （BB）结束
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公开(公告)号：KR1020120068525A
公开(公告)日：2012-06-27
申请号：KR1020100130187
申请日：2010-12-17
Applicant: 한국전자통신연구원
CPC classification number: G11B20/10 , H04R2201/401 , H04S3/002 , H04S3/008 , H04S7/40
Abstract: PURPOSE: A down-mixing apparatus of a sound field synthesis signal and a method thereof are provided to reproduce optimized sound field synthesis signal in a multi-channel audio reproducing system in a lower multi-channel audio play system. CONSTITUTION: A reproducing location information estimating unit(110) estimates reproducing location information of an inputted sound field mixing signal. A main signal estimating unit(120) estimates a main signal of the sound field signal based on reproducing location information. A sound image fixing information estimating unit(130) estimates the sound field synthesis signal based on the main signal.
Abstract translation: 目的：提供一种声场合成信号的下混合装置及其方法，用于在较低多声道音频播放系统中的多声道音频再现系统中再现优化的声场合成信号。 构成：再现位置信息估计单元（110）估计输入的声场混合信号的再现位置信息。 主信号估计单元（120）基于再现位置信息来估计声场信号的主信号。 声像定影信息估计单元（130）基于主信号估计声场合成信号。
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公开(公告)号：KR1020110062912A
公开(公告)日：2011-06-10
申请号：KR1020090119780
申请日：2009-12-04
Applicant: 한국전자통신연구원
IPC: G11B20/10
CPC classification number: G11B20/00992 , G11B2020/10592 , H04R3/12
Abstract: PURPOSE: A multichannel audio reproduction apparatus and system are provided to integrate an amplifier and a plurality of loud speakers to one module. CONSTITUTION: Channel controllers(121,131,141,151) especially divide a multichannel audio signal per channel. Amplifiers(122,132,142,152) amplify the divided multichannel audio signal. A plurality of loud speakers(123,133,143,153) reproduces each of the amplified channel audio signals. The channel controller, the amplifier, and the loud speakers are integrated into one module.
Abstract translation: 目的：提供多声道音频再现装置和系统，以将放大器和多个扬声器集成到一个模块。 构成：通道控制器（121,131,141,151）特别是对每个通道划分多通道音频信号。 放大器（122,132,142,152）放大分频的多声道音频信号。 多个扬声器（123,133,143,153）再现每个放大的声道音频信号。 通道控制器，放大器和扬声器集成在一个模块中。
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