KR20240091351A - 잡음 감소를 위한 다채널 hoa 오디오 신호를 인코딩하는 방법 및 장치와, 잡음 감소를 위한 다채널 hoa 오디오 신호를 디코딩하는 방법 및 장치 - Google Patents

잡음 감소를 위한 다채널 hoa 오디오 신호를 인코딩하는 방법 및 장치와, 잡음 감소를 위한 다채널 hoa 오디오 신호를 디코딩하는 방법 및 장치 Download PDF

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KR20240091351A
KR20240091351A KR1020247018653A KR20247018653A KR20240091351A KR 20240091351 A KR20240091351 A KR 20240091351A KR 1020247018653 A KR1020247018653 A KR 1020247018653A KR 20247018653 A KR20247018653 A KR 20247018653A KR 20240091351 A KR20240091351 A KR 20240091351A
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channel
signal
dsht
rotation
hoa
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요하네스 보엠
스벤 코르돈
알렉산더 크뢰거
피터 작스
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돌비 인터네셔널 에이비
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    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/012—Comfort noise or silence coding
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/0212—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders using orthogonal transformation
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/032—Quantisation or dequantisation of spectral components
    • G10L19/038—Vector quantisation, e.g. TwinVQ audio
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/02—Systems employing more than two channels, e.g. quadraphonic of the matrix type, i.e. in which input signals are combined algebraically, e.g. after having been phase shifted with respect to each other
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/11—Application of ambisonics in stereophonic audio systems

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Mathematical Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Algebra (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
KR1020247018653A 2012-07-16 2013-07-16 잡음 감소를 위한 다채널 hoa 오디오 신호를 인코딩하는 방법 및 장치와, 잡음 감소를 위한 다채널 hoa 오디오 신호를 디코딩하는 방법 및 장치 Pending KR20240091351A (ko)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
EP12305861.2A EP2688066A1 (en) 2012-07-16 2012-07-16 Method and apparatus for encoding multi-channel HOA audio signals for noise reduction, and method and apparatus for decoding multi-channel HOA audio signals for noise reduction
EP12305861.2 2012-07-16
KR1020217041058A KR20210156311A (ko) 2012-07-16 2013-07-16 잡음 감소를 위한 다채널 hoa 오디오 신호를 인코딩하는 방법 및 장치와, 잡음 감소를 위한 다채널 hoa 오디오 신호를 디코딩하는 방법 및 장치
PCT/EP2013/065032 WO2014012944A1 (en) 2012-07-16 2013-07-16 Method and apparatus for encoding multi-channel hoa audio signals for noise reduction, and method and apparatus for decoding multi-channel hoa audio signals for noise reduction

Related Parent Applications (1)

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KR1020217041058A Division KR20210156311A (ko) 2012-07-16 2013-07-16 잡음 감소를 위한 다채널 hoa 오디오 신호를 인코딩하는 방법 및 장치와, 잡음 감소를 위한 다채널 hoa 오디오 신호를 디코딩하는 방법 및 장치

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KR1020207017672A Active KR102187936B1 (ko) 2012-07-16 2013-07-16 잡음 감소를 위한 다채널 hoa 오디오 신호를 인코딩하는 방법 및 장치와, 잡음 감소를 위한 다채널 hoa 오디오 신호를 디코딩하는 방법 및 장치
KR1020247018653A Pending KR20240091351A (ko) 2012-07-16 2013-07-16 잡음 감소를 위한 다채널 hoa 오디오 신호를 인코딩하는 방법 및 장치와, 잡음 감소를 위한 다채널 hoa 오디오 신호를 디코딩하는 방법 및 장치
KR1020217041058A Ceased KR20210156311A (ko) 2012-07-16 2013-07-16 잡음 감소를 위한 다채널 hoa 오디오 신호를 인코딩하는 방법 및 장치와, 잡음 감소를 위한 다채널 hoa 오디오 신호를 디코딩하는 방법 및 장치
KR1020207034592A Active KR102340930B1 (ko) 2012-07-16 2013-07-16 잡음 감소를 위한 다채널 hoa 오디오 신호를 인코딩하는 방법 및 장치와, 잡음 감소를 위한 다채널 hoa 오디오 신호를 디코딩하는 방법 및 장치
KR1020157000876A Active KR102126449B1 (ko) 2012-07-16 2013-07-16 잡음 감소를 위한 다채널 hoa 오디오 신호를 인코딩하는 방법 및 장치와, 잡음 감소를 위한 다채널 hoa 오디오 신호를 디코딩하는 방법 및 장치

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KR1020207034592A Active KR102340930B1 (ko) 2012-07-16 2013-07-16 잡음 감소를 위한 다채널 hoa 오디오 신호를 인코딩하는 방법 및 장치와, 잡음 감소를 위한 다채널 hoa 오디오 신호를 디코딩하는 방법 및 장치
KR1020157000876A Active KR102126449B1 (ko) 2012-07-16 2013-07-16 잡음 감소를 위한 다채널 hoa 오디오 신호를 인코딩하는 방법 및 장치와, 잡음 감소를 위한 다채널 hoa 오디오 신호를 디코딩하는 방법 및 장치

Country Status (7)

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US (4) US9460728B2 (enExample)
EP (5) EP2688066A1 (enExample)
JP (4) JP6205416B2 (enExample)
KR (5) KR102187936B1 (enExample)
CN (6) CN107403626B (enExample)
TW (4) TWI723805B (enExample)
WO (1) WO2014012944A1 (enExample)

Families Citing this family (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2688066A1 (en) * 2012-07-16 2014-01-22 Thomson Licensing Method and apparatus for encoding multi-channel HOA audio signals for noise reduction, and method and apparatus for decoding multi-channel HOA audio signals for noise reduction
WO2014013070A1 (en) 2012-07-19 2014-01-23 Thomson Licensing Method and device for improving the rendering of multi-channel audio signals
EP2743922A1 (en) 2012-12-12 2014-06-18 Thomson Licensing Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field
US9769586B2 (en) 2013-05-29 2017-09-19 Qualcomm Incorporated Performing order reduction with respect to higher order ambisonic coefficients
US9466305B2 (en) 2013-05-29 2016-10-11 Qualcomm Incorporated Performing positional analysis to code spherical harmonic coefficients
US20150127354A1 (en) * 2013-10-03 2015-05-07 Qualcomm Incorporated Near field compensation for decomposed representations of a sound field
EP2879408A1 (en) 2013-11-28 2015-06-03 Thomson Licensing Method and apparatus for higher order ambisonics encoding and decoding using singular value decomposition
US9922656B2 (en) 2014-01-30 2018-03-20 Qualcomm Incorporated Transitioning of ambient higher-order ambisonic coefficients
US9489955B2 (en) * 2014-01-30 2016-11-08 Qualcomm Incorporated Indicating frame parameter reusability for coding vectors
KR102766957B1 (ko) * 2014-03-21 2025-02-14 돌비 인터네셔널 에이비 고차 앰비소닉스(hoa) 신호를 압축하는 방법, 압축된 hoa 신호를 압축 해제하는 방법, hoa 신호를 압축하기 위한 장치, 및 압축된 hoa 신호를 압축 해제하기 위한 장치
EP2922057A1 (en) 2014-03-21 2015-09-23 Thomson Licensing Method for compressing a Higher Order Ambisonics (HOA) signal, method for decompressing a compressed HOA signal, apparatus for compressing a HOA signal, and apparatus for decompressing a compressed HOA signal
KR102201726B1 (ko) 2014-03-21 2021-01-12 돌비 인터네셔널 에이비 고차 앰비소닉스(hoa) 신호를 압축하는 방법, 압축된 hoa 신호를 압축 해제하는 방법, hoa 신호를 압축하기 위한 장치, 및 압축된 hoa 신호를 압축 해제하기 위한 장치
EP2934025A1 (en) * 2014-04-15 2015-10-21 Thomson Licensing Method and device for applying dynamic range compression to a higher order ambisonics signal
CN109285553B (zh) * 2014-03-24 2023-09-08 杜比国际公司 对高阶高保真立体声信号应用动态范围压缩的方法和设备
CN103888889B (zh) * 2014-04-07 2016-01-13 北京工业大学 一种基于球谐展开的多声道转换方法
US9852737B2 (en) 2014-05-16 2017-12-26 Qualcomm Incorporated Coding vectors decomposed from higher-order ambisonics audio signals
US9620137B2 (en) 2014-05-16 2017-04-11 Qualcomm Incorporated Determining between scalar and vector quantization in higher order ambisonic coefficients
US10770087B2 (en) * 2014-05-16 2020-09-08 Qualcomm Incorporated Selecting codebooks for coding vectors decomposed from higher-order ambisonic audio signals
CN117612540A (zh) * 2014-06-27 2024-02-27 杜比国际公司 用于解码声音或声场的高阶高保真度立体声响复制（hoa）表示的方法
EP3162087B1 (en) 2014-06-27 2021-03-17 Dolby International AB Coded hoa data frame representation that includes non-differential gain values associated with channel signals of specific ones of the data frames of an hoa data frame representation
EP2960903A1 (en) * 2014-06-27 2015-12-30 Thomson Licensing Method and apparatus for determining for the compression of an HOA data frame representation a lowest integer number of bits required for representing non-differential gain values
CN113808598B (zh) * 2014-06-27 2025-03-18 杜比国际公司 针对hoa数据帧表示的压缩确定表示非差分增益值所需的最小整数比特数的方法
US9838819B2 (en) * 2014-07-02 2017-12-05 Qualcomm Incorporated Reducing correlation between higher order ambisonic (HOA) background channels
EP2980789A1 (en) 2014-07-30 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for enhancing an audio signal, sound enhancing system
US9536531B2 (en) 2014-08-01 2017-01-03 Qualcomm Incorporated Editing of higher-order ambisonic audio data
US9747910B2 (en) 2014-09-26 2017-08-29 Qualcomm Incorporated Switching between predictive and non-predictive quantization techniques in a higher order ambisonics (HOA) framework
EP3007167A1 (en) * 2014-10-10 2016-04-13 Thomson Licensing Method and apparatus for low bit rate compression of a Higher Order Ambisonics HOA signal representation of a sound field
US10140996B2 (en) 2014-10-10 2018-11-27 Qualcomm Incorporated Signaling layers for scalable coding of higher order ambisonic audio data
US9984693B2 (en) * 2014-10-10 2018-05-29 Qualcomm Incorporated Signaling channels for scalable coding of higher order ambisonic audio data
EP3281196A1 (en) * 2015-04-10 2018-02-14 Thomson Licensing Method and device for encoding multiple audio signals, and method and device for decoding a mixture of multiple audio signals with improved separation
EP3378065B1 (en) * 2015-11-17 2019-10-16 Dolby International AB Method and apparatus for converting a channel-based 3d audio signal to an hoa audio signal
HK1221372A2 (zh) * 2016-03-29 2017-05-26 万维数码有限公司 一种获得空间音频定向向量的方法、装置及设备
WO2018001493A1 (en) * 2016-06-30 2018-01-04 Huawei Technologies Duesseldorf Gmbh Apparatuses and methods for encoding and decoding a multichannel audio signal
GB2554446A (en) 2016-09-28 2018-04-04 Nokia Technologies Oy Spatial audio signal format generation from a microphone array using adaptive capture
EP3616196A4 (en) 2017-04-28 2021-01-20 DTS, Inc. Audio coder window and transform implementations
US11252524B2 (en) * 2017-07-05 2022-02-15 Sony Corporation Synthesizing a headphone signal using a rotating head-related transfer function
US10944568B2 (en) * 2017-10-06 2021-03-09 The Boeing Company Methods for constructing secure hash functions from bit-mixers
US10714098B2 (en) 2017-12-21 2020-07-14 Dolby Laboratories Licensing Corporation Selective forward error correction for spatial audio codecs
CN111210831B (zh) * 2018-11-22 2024-06-04 广州广晟数码技术有限公司 基于频谱拉伸的带宽扩展音频编解码方法及装置
BR112021014135A2 (pt) * 2019-01-21 2021-09-21 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Sinal de áudio codificado, aparelho e método para codificação de uma representação de áudio espacial ou aparelho e método para decodificação de um sinal de áudio codificado
US11729406B2 (en) 2019-03-21 2023-08-15 Qualcomm Incorporated Video compression using deep generative models
US11388416B2 (en) * 2019-03-21 2022-07-12 Qualcomm Incorporated Video compression using deep generative models
MX2021016056A (es) 2019-07-02 2022-03-11 Dolby Int Ab Metodos, aparatos y sistemas para representacion, codificacion, y decodificacion de datos de directividad discreta.
CN110544484B (zh) * 2019-09-23 2021-12-21 中科超影（北京）传媒科技有限公司 高阶Ambisonic音频编解码方法及装置
US11317236B2 (en) * 2019-11-22 2022-04-26 Qualcomm Incorporated Soundfield adaptation for virtual reality audio
CN110970048B (zh) * 2019-12-03 2023-01-17 腾讯科技（深圳）有限公司 音频数据的处理方法及装置
CN115497485B (zh) * 2021-06-18 2024-10-18 华为技术有限公司 三维音频信号编码方法、装置、编码器和系统

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001275197A (ja) * 2000-03-23 2001-10-05 Seiko Epson Corp 音源選択方法および音源選択装置並びに音源選択制御プログラムを記録した記録媒体
GB2379147B (en) * 2001-04-18 2003-10-22 Univ York Sound processing
FR2847376B1 (fr) * 2002-11-19 2005-02-04 France Telecom Procede de traitement de donnees sonores et dispositif d'acquisition sonore mettant en oeuvre ce procede
DE10328777A1 (de) * 2003-06-25 2005-01-27 Coding Technologies Ab Vorrichtung und Verfahren zum Codieren eines Audiosignals und Vorrichtung und Verfahren zum Decodieren eines codierten Audiosignals
JP2009514008A (ja) * 2005-10-26 2009-04-02 エルジー エレクトロニクス インコーポレイティド マルチチャンネルオーディオ信号の符号化及び復号化方法とその装置
CN101401152B (zh) * 2006-03-15 2012-04-18 法国电信公司 通过多通道音频信号的主分量分析进行编码的设备和方法
US8103006B2 (en) * 2006-09-25 2012-01-24 Dolby Laboratories Licensing Corporation Spatial resolution of the sound field for multi-channel audio playback systems by deriving signals with high order angular terms
US20080232601A1 (en) * 2007-03-21 2008-09-25 Ville Pulkki Method and apparatus for enhancement of audio reconstruction
FR2916079A1 (fr) * 2007-05-10 2008-11-14 France Telecom Procede de codage et decodage audio, codeur audio, decodeur audio et programmes d'ordinateur associes
FR2916078A1 (fr) * 2007-05-10 2008-11-14 France Telecom Procede de codage et decodage audio, codeur audio, decodeur audio et programmes d'ordinateur associes
US20110188043A1 (en) * 2007-12-26 2011-08-04 Yissum, Research Development Company of The Hebrew University of Jerusalem, Ltd. Method and apparatus for monitoring processes in living cells
EP2094032A1 (en) * 2008-02-19 2009-08-26 Deutsche Thomson OHG Audio signal, method and apparatus for encoding or transmitting the same and method and apparatus for processing the same
ES2396927T3 (es) * 2008-07-11 2013-03-01 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Aparato y procedimiento para decodificar una señal de audio codificada
EP2205007B1 (en) * 2008-12-30 2019-01-09 Dolby International AB Method and apparatus for three-dimensional acoustic field encoding and optimal reconstruction
GB2478834B (en) * 2009-02-04 2012-03-07 Richard Furse Sound system
FR2943867A1 (fr) * 2009-03-31 2010-10-01 France Telecom Traitement d'egalisation de composantes spatiales d'un signal audio 3d
US9020152B2 (en) * 2010-03-05 2015-04-28 Stmicroelectronics Asia Pacific Pte. Ltd. Enabling 3D sound reproduction using a 2D speaker arrangement
PT2553947E (pt) * 2010-03-26 2014-06-24 Thomson Licensing Método e dispositivo para descodificar uma representação de um campo sonoro de áudio para a reprodução de áudio
NZ587483A (en) * 2010-08-20 2012-12-21 Ind Res Ltd Holophonic speaker system with filters that are pre-configured based on acoustic transfer functions
WO2012025580A1 (en) * 2010-08-27 2012-03-01 Sonicemotion Ag Method and device for enhanced sound field reproduction of spatially encoded audio input signals
EP2450880A1 (en) * 2010-11-05 2012-05-09 Thomson Licensing Data structure for Higher Order Ambisonics audio data
EP2469741A1 (en) 2010-12-21 2012-06-27 Thomson Licensing Method and apparatus for encoding and decoding successive frames of an ambisonics representation of a 2- or 3-dimensional sound field
EP2560161A1 (en) * 2011-08-17 2013-02-20 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Optimal mixing matrices and usage of decorrelators in spatial audio processing
CN103165136A (zh) * 2011-12-15 2013-06-19 杜比实验室特许公司 音频处理方法及音频处理设备
EP2688066A1 (en) * 2012-07-16 2014-01-22 Thomson Licensing Method and apparatus for encoding multi-channel HOA audio signals for noise reduction, and method and apparatus for decoding multi-channel HOA audio signals for noise reduction

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