CA2494454C - Audio channel spatial translation - Google Patents

Audio channel spatial translation Download PDF

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Publication number
CA2494454C
CA2494454C CA2494454A CA2494454A CA2494454C CA 2494454 C CA2494454 C CA 2494454C CA 2494454 A CA2494454 A CA 2494454A CA 2494454 A CA2494454 A CA 2494454A CA 2494454 C CA2494454 C CA 2494454C
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CA
Canada
Prior art keywords
correlation
input
variable
input signals
cross
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
CA2494454A
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English (en)
French (fr)
Other versions
CA2494454A1 (en
Inventor
Mark Franklin Davis
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dolby Laboratories Licensing Corp
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Dolby Laboratories Licensing Corp
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 Dolby Laboratories Licensing Corp filed Critical Dolby Laboratories Licensing Corp
Priority claimed from PCT/US2003/024570 external-priority patent/WO2004019656A2/en
Publication of CA2494454A1 publication Critical patent/CA2494454A1/en
Application granted granted Critical
Publication of CA2494454C publication Critical patent/CA2494454C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • 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 
    • H04S5/00—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation 
    • H04S5/02—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation  of the pseudo four-channel type, e.g. in which rear channel signals are derived from two-channel stereo signals

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Stereophonic System (AREA)
  • Machine Translation (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
CA2494454A 2002-08-07 2003-08-06 Audio channel spatial translation Expired - Lifetime CA2494454C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US40198302P 2002-08-07 2002-08-07
US60/401,983 2002-08-07
PCT/US2003/024570 WO2004019656A2 (en) 2001-02-07 2003-08-06 Audio channel spatial translation

Publications (2)

Publication Number Publication Date
CA2494454A1 CA2494454A1 (en) 2004-03-04
CA2494454C true CA2494454C (en) 2013-10-01

Family

ID=33489220

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2494454A Expired - Lifetime CA2494454C (en) 2002-08-07 2003-08-06 Audio channel spatial translation

Country Status (17)

Country Link
EP (1) EP1527655B1 (es)
JP (1) JP4434951B2 (es)
KR (1) KR100988293B1 (es)
CN (1) CN1672464B (es)
AT (1) ATE341923T1 (es)
AU (1) AU2003278704B2 (es)
BR (2) BRPI0305746B1 (es)
CA (1) CA2494454C (es)
DE (1) DE60308876T2 (es)
DK (1) DK1527655T3 (es)
ES (1) ES2271654T3 (es)
HK (1) HK1073963A1 (es)
IL (1) IL165941A (es)
MX (1) MXPA05001413A (es)
MY (1) MY139849A (es)
PL (1) PL373120A1 (es)
TW (1) TWI315828B (es)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7508947B2 (en) * 2004-08-03 2009-03-24 Dolby Laboratories Licensing Corporation Method for combining audio signals using auditory scene analysis
AU2005299410B2 (en) 2004-10-26 2011-04-07 Dolby Laboratories Licensing Corporation Calculating and adjusting the perceived loudness and/or the perceived spectral balance of an audio signal
EP1817938B1 (en) * 2004-11-23 2008-08-20 Koninklijke Philips Electronics N.V. A device and a method to process audio data, a computer program element and a computer-readable medium
TWI397901B (zh) * 2004-12-21 2013-06-01 Dolby Lab Licensing Corp 控制音訊信號比響度特性之方法及其相關裝置與電腦程式
WO2006126857A2 (en) 2005-05-26 2006-11-30 Lg Electronics Inc. Method of encoding and decoding an audio signal
WO2007004830A1 (en) 2005-06-30 2007-01-11 Lg Electronics Inc. Apparatus for encoding and decoding audio signal and method thereof
MX2008000122A (es) 2005-06-30 2008-03-18 Lg Electronics Inc Metodo y aparato para codificar y descodificar una senal de audio.
US8494667B2 (en) 2005-06-30 2013-07-23 Lg Electronics Inc. Apparatus for encoding and decoding audio signal and method thereof
JP4568363B2 (ja) 2005-08-30 2010-10-27 エルジー エレクトロニクス インコーポレイティド オーディオ信号デコーディング方法及びその装置
JP4859925B2 (ja) 2005-08-30 2012-01-25 エルジー エレクトロニクス インコーポレイティド オーディオ信号デコーディング方法及びその装置
US7822616B2 (en) 2005-08-30 2010-10-26 Lg Electronics Inc. Time slot position coding of multiple frame types
US7788107B2 (en) 2005-08-30 2010-08-31 Lg Electronics Inc. Method for decoding an audio signal
KR100857115B1 (ko) 2005-10-05 2008-09-05 엘지전자 주식회사 신호 처리 방법 및 이의 장치, 그리고 인코딩 및 디코딩방법 및 이의 장치
JP2009511951A (ja) 2005-10-05 2009-03-19 エルジー エレクトロニクス インコーポレイティド 信号処理方法及び装置、エンコーディング及びデコーディング方法並びにそのための装置
US7646319B2 (en) 2005-10-05 2010-01-12 Lg Electronics Inc. Method and apparatus for signal processing and encoding and decoding method, and apparatus therefor
US7696907B2 (en) 2005-10-05 2010-04-13 Lg Electronics Inc. Method and apparatus for signal processing and encoding and decoding method, and apparatus therefor
US7672379B2 (en) 2005-10-05 2010-03-02 Lg Electronics Inc. Audio signal processing, encoding, and decoding
US8068569B2 (en) 2005-10-05 2011-11-29 Lg Electronics, Inc. Method and apparatus for signal processing and encoding and decoding
US7751485B2 (en) 2005-10-05 2010-07-06 Lg Electronics Inc. Signal processing using pilot based coding
US7761289B2 (en) 2005-10-24 2010-07-20 Lg Electronics Inc. Removing time delays in signal paths
US7965848B2 (en) 2006-03-29 2011-06-21 Dolby International Ab Reduced number of channels decoding
US8583424B2 (en) * 2008-06-26 2013-11-12 France Telecom Spatial synthesis of multichannel audio signals
WO2010080451A1 (en) 2008-12-18 2010-07-15 Dolby Laboratories Licensing Corporation Audio channel spatial translation
US9197978B2 (en) * 2009-03-31 2015-11-24 Panasonic Intellectual Property Management Co., Ltd. Sound reproduction apparatus and sound reproduction method
CN101527874B (zh) * 2009-04-28 2011-03-23 张勤 一种动声声场系统
TWI444989B (zh) 2010-01-22 2014-07-11 Dolby Lab Licensing Corp 針對改良多通道上混使用多通道解相關之技術
JP5323210B2 (ja) * 2010-09-30 2013-10-23 パナソニック株式会社 音響再生装置および音響再生方法
BR112014018342B1 (pt) * 2012-03-22 2021-03-16 Dirac Research Ab Método e sistema para determinar um controlador de précompensação de áudio para um sistema gerador de som associado, memória legível por computador, controlador de pré- compensação de áudio e sistema de áudio
EP2830335A3 (en) 2013-07-22 2015-02-25 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus, method, and computer program for mapping first and second input channels to at least one output channel
EP2830051A3 (en) 2013-07-22 2015-03-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder, audio decoder, methods and computer program using jointly encoded residual signals
EP3319342B1 (en) * 2015-06-24 2020-04-01 Sony Corporation Device, method, and program for processing sound
CN106604199B (zh) * 2016-12-23 2018-09-18 湖南国科微电子股份有限公司 一种数字音频信号的矩阵处理方法及装置
US11019449B2 (en) * 2018-10-06 2021-05-25 Qualcomm Incorporated Six degrees of freedom and three degrees of freedom backward compatibility
FI3891736T3 (fi) 2018-12-07 2023-04-14 Fraunhofer Ges Forschung Laite, menetelmä ja tietokoneohjelma koodausta, dekoodausta, kohtauksen prosessointia ja muita proseduureja varten liittyen dirac-pohjaiseen spatiaaliseen audiokoodaukseen käyttäen matalan asteen, keskiasteen ja korkean asteen komponenttigeneraattoreita
TWI740206B (zh) * 2019-09-16 2021-09-21 宏碁股份有限公司 訊號量測的校正系統及其校正方法
CN114327040A (zh) * 2021-11-25 2022-04-12 歌尔股份有限公司 振动信号生成方法、装置、电子设备及存储介质

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5659619A (en) * 1994-05-11 1997-08-19 Aureal Semiconductor, Inc. Three-dimensional virtual audio display employing reduced complexity imaging filters
US6009179A (en) * 1997-01-24 1999-12-28 Sony Corporation Method and apparatus for electronically embedding directional cues in two channels of sound
US6072878A (en) * 1997-09-24 2000-06-06 Sonic Solutions Multi-channel surround sound mastering and reproduction techniques that preserve spatial harmonics
AUPP271598A0 (en) * 1998-03-31 1998-04-23 Lake Dsp Pty Limited Headtracked processing for headtracked playback of audio signals
EP1054575A3 (en) * 1999-05-17 2002-09-18 Bose Corporation Directional decoding

Also Published As

Publication number Publication date
CA2494454A1 (en) 2004-03-04
IL165941A0 (en) 2006-01-15
ATE341923T1 (de) 2006-10-15
MXPA05001413A (es) 2005-06-06
KR100988293B1 (ko) 2010-10-18
IL165941A (en) 2010-06-30
AU2003278704B2 (en) 2009-04-23
JP4434951B2 (ja) 2010-03-17
EP1527655A2 (en) 2005-05-04
TW200404222A (en) 2004-03-16
EP1527655B1 (en) 2006-10-04
PL373120A1 (en) 2005-08-08
BRPI0305746B1 (pt) 2018-03-20
TWI315828B (en) 2009-10-11
AU2003278704A1 (en) 2004-03-11
JP2005535266A (ja) 2005-11-17
DE60308876D1 (de) 2006-11-16
CN1672464B (zh) 2010-07-28
MY139849A (en) 2009-11-30
ES2271654T3 (es) 2007-04-16
CN1672464A (zh) 2005-09-21
KR20050035878A (ko) 2005-04-19
BR0305746A (pt) 2004-12-07
DK1527655T3 (da) 2007-01-29
HK1073963A1 (en) 2005-10-21
DE60308876T2 (de) 2007-03-01

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Effective date: 20230808