HK1246554A1 - 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
HK1246554A1
HK1246554A1 HK18105960.5A HK18105960A HK1246554A1 HK 1246554 A1 HK1246554 A1 HK 1246554A1 HK 18105960 A HK18105960 A HK 18105960A HK 1246554 A1 HK1246554 A1 HK 1246554A1
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Hong Kong
Prior art keywords
matrix
decoder
mode matrix
vector
encoder
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HK18105960.5A
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English (en)
Chinese (zh)
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H‧克罗普
H‧克羅普
S‧埃伯林格
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杜比国际公司
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Publication of HK1246554A1 publication Critical patent/HK1246554A1/zh

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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
    • 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
    • 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 
    • 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)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Pure & Applied Mathematics (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Analysis (AREA)
  • General Physics & Mathematics (AREA)
  • Algebra (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)
HK18105960.5A 2013-11-28 2018-05-08 使用奇异值分解进行hoa编码和解码的方法和装置 HK1246554A1 (zh)

Applications Claiming Priority (2)

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

Publications (1)

Publication Number Publication Date
HK1246554A1 true HK1246554A1 (zh) 2018-09-07

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Family Applications (3)

Application Number Title Priority Date Filing Date
HK18105960.5A HK1246554A1 (zh) 2013-11-28 2018-05-08 使用奇异值分解进行hoa编码和解码的方法和装置
HK18107560.5A HK1248438A1 (zh) 2013-11-28 2018-06-11 使用奇异值分解进行hoa编码和解码的方法和装置
HK18108667.5A HK1249323A1 (zh) 2013-11-28 2018-07-04 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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HK18107560.5A HK1248438A1 (zh) 2013-11-28 2018-06-11 使用奇异值分解进行hoa编码和解码的方法和装置
HK18108667.5A HK1249323A1 (zh) 2013-11-28 2018-07-04 使用奇异值分解进行hoa编码和解码的方法和装置

Country Status (7)

Country Link
US (3) US9736608B2 (enExample)
EP (3) EP2879408A1 (enExample)
JP (3) JP6495910B2 (enExample)
KR (2) KR102460817B1 (enExample)
CN (4) CN105981410B (enExample)
HK (3) HK1246554A1 (enExample)
WO (1) WO2015078732A1 (enExample)

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AU2011231565B2 (en) * 2010-03-26 2014-08-28 Dolby International Ab Method and device for decoding an audio soundfield representation for audio playback
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
US12496907B2 (en) * 2020-06-19 2025-12-16 Mitsubishi Electric Corporation Failure sign determination device, onboard device, and failure sign determination method
JP2023553664A (ja) * 2020-12-17 2023-12-25 ドルビー・インターナショナル・アーベー 事前設定されたジェネレータを用いたオーディオデータの処理の方法及び装置
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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JPH06202700A (ja) * 1991-04-25 1994-07-22 Japan Radio Co Ltd 音声符号化装置
FR2858512A1 (fr) 2003-07-30 2005-02-04 France Telecom Procede et dispositif de traitement de donnees sonores en contexte ambiophonique
US7840411B2 (en) * 2005-03-30 2010-11-23 Koninklijke Philips Electronics N.V. Audio encoding and decoding
WO2006126115A2 (en) * 2005-05-25 2006-11-30 Koninklijke Philips Electronics N.V. Predictive encoding of a multi channel signal
EP2137725B1 (en) * 2007-04-26 2014-01-08 Dolby International AB Apparatus and method for synthesizing an output signal
GB0817950D0 (en) 2008-10-01 2008-11-05 Univ Southampton Apparatus and method for sound reproduction
US8391500B2 (en) 2008-10-17 2013-03-05 University Of Kentucky Research Foundation Method and system for creating three-dimensional spatial audio
WO2011041834A1 (en) * 2009-10-07 2011-04-14 The University Of Sydney Reconstruction of a recorded sound field
AU2011231565B2 (en) * 2010-03-26 2014-08-28 Dolby International Ab Method and device for decoding an audio soundfield representation for audio playback
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
EP2645748A1 (en) * 2012-03-28 2013-10-02 Thomson Licensing Method and apparatus for decoding stereo loudspeaker signals from a higher-order Ambisonics audio signal
EP2665208A1 (en) * 2012-05-14 2013-11-20 Thomson Licensing Method and apparatus for compressing and decompressing a Higher Order Ambisonics signal representation
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
BR122020017389B1 (pt) * 2012-07-16 2022-05-03 Dolby International Ab Método e dispositivo para renderização de uma representação de campo sonoro de áudio para reprodução de áudio e meio legível por computador
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Also Published As

Publication number Publication date
JP6495910B2 (ja) 2019-04-03
US10244339B2 (en) 2019-03-26
EP3075172A1 (en) 2016-10-05
EP3313100B1 (en) 2021-02-24
WO2015078732A1 (en) 2015-06-04
KR102319904B1 (ko) 2021-11-02
KR20160090824A (ko) 2016-08-01
US9736608B2 (en) 2017-08-15
JP2020149062A (ja) 2020-09-17
US10602293B2 (en) 2020-03-24
JP2017501440A (ja) 2017-01-12
CN105981410B (zh) 2018-01-02
JP6980837B2 (ja) 2021-12-15
EP3075172B1 (en) 2017-12-13
KR102460817B1 (ko) 2022-10-31
CN107995582A (zh) 2018-05-04
CN105981410A (zh) 2016-09-28
CN107889045A (zh) 2018-04-06
US20170006401A1 (en) 2017-01-05
JP2019082741A (ja) 2019-05-30
HK1248438A1 (zh) 2018-10-12
JP6707687B2 (ja) 2020-06-10
KR20210132744A (ko) 2021-11-04
CN108093358A (zh) 2018-05-29
US20190281400A1 (en) 2019-09-12
HK1249323A1 (zh) 2018-10-26
US20170374485A1 (en) 2017-12-28
EP3313100A1 (en) 2018-04-25
EP2879408A1 (en) 2015-06-03

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