CN107889045A - 使用奇异值分解进行hoa编码和解码的方法和装置 - Google Patents

使用奇异值分解进行hoa编码和解码的方法和装置 Download PDF

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Publication number
CN107889045A
CN107889045A CN201711438488.6A CN201711438488A CN107889045A CN 107889045 A CN107889045 A CN 107889045A CN 201711438488 A CN201711438488 A CN 201711438488A CN 107889045 A CN107889045 A CN 107889045A
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China
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matrix
vector
decoder
value
singular value
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Chinese (zh)
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H·克罗普
S·埃伯林格
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Dolby International AB
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Dolby International AB
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/008—Systems employing more than two channels, e.g. quadraphonic in which the audio signals are in digital form, i.e. employing more than two discrete digital channels
    • 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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30—Control circuits for electronic adaptation of the sound field
    • H04S7/308—Electronic adaptation dependent on speaker or headphone connection
    • 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)
  • Multimedia (AREA)
  • Mathematical Physics (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Analysis (AREA)
  • General Physics & Mathematics (AREA)
  • Algebra (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
CN201711438488.6A 2013-11-28 2014-11-18 使用奇异值分解进行hoa编码和解码的方法和装置 Pending CN107889045A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP13306629.0 2013-11-28
EP13306629.0A EP2879408A1 (en) 2013-11-28 2013-11-28 Method and apparatus for higher order ambisonics encoding and decoding using singular value decomposition
CN201480074092.6A CN105981410B (zh) 2013-11-28 2014-11-18 使用奇异值分解进行高阶高保真立体声编码和解码的方法和装置

Related Parent Applications (1)

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CN201480074092.6A Division CN105981410B (zh) 2013-11-28 2014-11-18 使用奇异值分解进行高阶高保真立体声编码和解码的方法和装置

Publications (1)

Publication Number Publication Date
CN107889045A true CN107889045A (zh) 2018-04-06

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Family Applications (4)

Application Number Title Priority Date Filing Date
CN201711438488.6A Pending CN107889045A (zh) 2013-11-28 2014-11-18 使用奇异值分解进行hoa编码和解码的方法和装置
CN201480074092.6A Active CN105981410B (zh) 2013-11-28 2014-11-18 使用奇异值分解进行高阶高保真立体声编码和解码的方法和装置
CN201711438504.1A Pending CN107995582A (zh) 2013-11-28 2014-11-18 使用奇异值分解进行hoa编码和解码的方法和装置
CN201711438479.7A Pending CN108093358A (zh) 2013-11-28 2014-11-18 使用奇异值分解进行hoa编码和解码的方法和装置

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CN201480074092.6A Active CN105981410B (zh) 2013-11-28 2014-11-18 使用奇异值分解进行高阶高保真立体声编码和解码的方法和装置
CN201711438504.1A Pending CN107995582A (zh) 2013-11-28 2014-11-18 使用奇异值分解进行hoa编码和解码的方法和装置
CN201711438479.7A Pending CN108093358A (zh) 2013-11-28 2014-11-18 使用奇异值分解进行hoa编码和解码的方法和装置

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US (3) US9736608B2 (enExample)
EP (3) EP2879408A1 (enExample)
JP (3) JP6495910B2 (enExample)
KR (2) KR102460817B1 (enExample)
CN (4) CN107889045A (enExample)
HK (3) HK1246554A1 (enExample)
WO (1) WO2015078732A1 (enExample)

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US9881628B2 (en) * 2016-01-05 2018-01-30 Qualcomm Incorporated Mixed domain coding of audio
CN111034225B (zh) * 2017-08-17 2021-09-24 高迪奥实验室公司 使用立体混响信号的音频信号处理方法和装置
JP6920144B2 (ja) * 2017-09-07 2021-08-18 日本放送協会 バイノーラル再生用の係数行列算出装置及びプログラム
US10264386B1 (en) * 2018-02-09 2019-04-16 Google Llc Directional emphasis in ambisonics
JP7361919B2 (ja) * 2020-06-19 2023-10-16 三菱電機株式会社 故障予兆判別装置、車載機器、および故障予兆判別方法
EP4264604B1 (en) * 2020-12-17 2025-09-03 Dolby International AB Method and apparatus for processing of audio data using a pre-configured generator
CN113115157B (zh) * 2021-04-13 2024-05-03 北京安声科技有限公司 耳机的主动降噪方法及装置、半入耳式主动降噪耳机
CN115938388A (zh) * 2021-05-31 2023-04-07 华为技术有限公司 一种三维音频信号的处理方法和装置
JP7663427B2 (ja) * 2021-06-25 2025-04-16 日本放送協会 頭部伝達関数モデリング装置及びプログラム
CN115374397B (zh) * 2022-07-19 2025-10-03 广州大学 一种基于广义奇异值分解构造无线通信预编码器的方法
CN117250604B (zh) * 2023-11-17 2024-02-13 中国海洋大学 一种目标反射信号与浅海混响的分离方法

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FR2858512A1 (fr) 2003-07-30 2005-02-04 France Telecom Procede et dispositif de traitement de donnees sonores en contexte ambiophonique
BRPI0608756B1 (pt) * 2005-03-30 2019-06-04 Koninklijke Philips N. V. Codificador e decodificador de áudio de multicanais, método para codificar e decodificar um sinal de áudio de n canais, sinal de áudio de multicanais codificado para um sinal de áudio de n canais e sistema de transmissão
EP1889256A2 (en) * 2005-05-25 2008-02-20 Koninklijke Philips Electronics N.V. Predictive encoding of a multi channel signal
ES2452348T3 (es) * 2007-04-26 2014-04-01 Dolby International Ab Aparato y procedimiento para sintetizar una señal de salida
GB0817950D0 (en) 2008-10-01 2008-11-05 Univ Southampton Apparatus and method for sound reproduction
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AU2010305313B2 (en) * 2009-10-07 2015-05-28 The University Of Sydney Reconstruction of a recorded sound field
KR102622947B1 (ko) * 2010-03-26 2024-01-10 돌비 인터네셔널 에이비 오디오 재생을 위한 오디오 사운드필드 표현을 디코딩하는 방법 및 장치
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
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
EP2592846A1 (en) * 2011-11-11 2013-05-15 Thomson Licensing Method and apparatus for processing signals of a spherical microphone array on a rigid sphere used for generating an Ambisonics representation of the sound field
EP2637427A1 (en) * 2012-03-06 2013-09-11 Thomson Licensing Method and apparatus for playback of a higher-order ambisonics audio signal
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US9685163B2 (en) * 2013-03-01 2017-06-20 Qualcomm Incorporated Transforming spherical harmonic coefficients

Also Published As

Publication number Publication date
US10602293B2 (en) 2020-03-24
US9736608B2 (en) 2017-08-15
HK1246554A1 (zh) 2018-09-07
JP6707687B2 (ja) 2020-06-10
EP3075172B1 (en) 2017-12-13
EP3313100A1 (en) 2018-04-25
JP6495910B2 (ja) 2019-04-03
KR20160090824A (ko) 2016-08-01
CN105981410A (zh) 2016-09-28
KR102460817B1 (ko) 2022-10-31
KR102319904B1 (ko) 2021-11-02
CN108093358A (zh) 2018-05-29
US10244339B2 (en) 2019-03-26
KR20210132744A (ko) 2021-11-04
CN107995582A (zh) 2018-05-04
JP2017501440A (ja) 2017-01-12
JP2019082741A (ja) 2019-05-30
CN105981410B (zh) 2018-01-02
US20170006401A1 (en) 2017-01-05
EP2879408A1 (en) 2015-06-03
US20190281400A1 (en) 2019-09-12
EP3075172A1 (en) 2016-10-05
EP3313100B1 (en) 2021-02-24
HK1249323A1 (zh) 2018-10-26
JP2020149062A (ja) 2020-09-17
JP6980837B2 (ja) 2021-12-15
WO2015078732A1 (en) 2015-06-04
HK1248438A1 (zh) 2018-10-12
US20170374485A1 (en) 2017-12-28

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