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

Info

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
Authority
HK
Hong Kong
Prior art keywords
matrix
decoder
mode matrix
vector
encoder
Prior art date
Application number
HK18105960.5A
Other languages
English (en)
Chinese (zh)
Inventor
H‧克罗普
H‧克羅普
S‧埃伯林格
Original Assignee
杜比国际公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 杜比国际公司 filed Critical 杜比国际公司
Publication of HK1246554A1 publication Critical patent/HK1246554A1/zh

Links

Classifications

    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Mathematical Physics (AREA)
  • Mathematical Analysis (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Computational Linguistics (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
EP13306629.0A EP2879408A1 (en) 2013-11-28 2013-11-28 Method and apparatus for higher order ambisonics encoding and decoding using singular value decomposition
EP13306629.0 2013-11-28

Publications (1)

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

Family

ID=49765434

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

Family Applications After (2)

Application Number Title Priority Date Filing Date
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) CN107995582A (enExample)
HK (3) HK1246554A1 (enExample)
WO (1) WO2015078732A1 (enExample)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2553947B1 (en) * 2010-03-26 2014-05-07 Thomson Licensing 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
KR102128281B1 (ko) * 2017-08-17 2020-06-30 가우디오랩 주식회사 앰비소닉 신호를 사용하는 오디오 신호 처리 방법 및 장치
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
CN115938388B (zh) * 2021-05-31 2026-05-26 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

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
MX2009011405A (es) * 2007-04-26 2009-11-05 Dolby Sweden Ab Aparato y metodo para sintetizar una señal de salida.
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
AU2010305313B2 (en) * 2009-10-07 2015-05-28 The University Of Sydney Reconstruction of a recorded sound field
EP2553947B1 (en) * 2010-03-26 2014-05-07 Thomson Licensing 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
BR122020017399B1 (pt) * 2012-07-16 2022-05-03 Dolby International Ab Método e dispositivo para renderizar uma representação de campo sonoro ambisonics de ordem superior para reprodução de áudio, dispositivo para decodificação e meio legível por computador
US9685163B2 (en) * 2013-03-01 2017-06-20 Qualcomm Incorporated Transforming spherical harmonic coefficients

Also Published As

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

Similar Documents

Publication Publication Date Title
HK1249323A1 (zh) 使用奇异值分解进行hoa编码和解码的方法和装置
US10893375B2 (en) Headtracking for parametric binaural output system and method
CN114270437B (zh) 参数编码与解码
CA2750272C (en) Apparatus, method and computer program for upmixing a downmix audio signal
CN111819627A (zh) 用于对沉浸式音频信号进行编码及/或解码的方法及装置
US9978379B2 (en) Multi-channel encoding and/or decoding using non-negative tensor factorization
CN111862997A (zh) 使用自适应相位校准的多声道降混的梳型滤波器的伪迹消除
TW202145196A (zh) 應用動態範圍壓縮至高階保真立體音響信號之方法和裝置
EP2517201B1 (en) Sparse audio processing
CN116597847A (zh) 头部相关（hr）滤波器
Fischer et al. Noise reduction for randomized speech and audio coding in WASNs
HK1260955A1 (en) Parametric binaural output system and method
HK1260955B (en) Parametric binaural output system and method