AU2003278704B2 - Audio channel spatial translation - Google Patents

Audio channel spatial translation Download PDF

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Publication number
AU2003278704B2
AU2003278704B2 AU2003278704A AU2003278704A AU2003278704B2 AU 2003278704 B2 AU2003278704 B2 AU 2003278704B2 AU 2003278704 A AU2003278704 A AU 2003278704A AU 2003278704 A AU2003278704 A AU 2003278704A AU 2003278704 B2 AU2003278704 B2 AU 2003278704B2
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AU
Australia
Prior art keywords
variable
input
matrix
correlation
input signals
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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
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AU2003278704A
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English (en)
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AU2003278704A1 (en
Inventor
Mark Franklin Davis
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Dolby Laboratories Licensing Corp
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Dolby Laboratories Licensing Corp
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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 AU2003278704A1 publication Critical patent/AU2003278704A1/en
Application granted granted Critical
Publication of AU2003278704B2 publication Critical patent/AU2003278704B2/en
Anticipated expiration legal-status Critical
Expired legal-status Critical Current

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    • 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

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Analysis (AREA)
  • Algebra (AREA)
  • Stereophonic System (AREA)
  • Machine Translation (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
AU2003278704A 2002-08-07 2003-08-06 Audio channel spatial translation Expired AU2003278704B2 (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
AU2003278704A1 AU2003278704A1 (en) 2004-03-11
AU2003278704B2 true AU2003278704B2 (en) 2009-04-23

Family

ID=33489220

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2003278704A Expired AU2003278704B2 (en) 2002-08-07 2003-08-06 Audio channel spatial translation

Country Status (17)

Country Link
EP (1) EP1527655B1 (xx)
JP (1) JP4434951B2 (xx)
KR (1) KR100988293B1 (xx)
CN (1) CN1672464B (xx)
AT (1) ATE341923T1 (xx)
AU (1) AU2003278704B2 (xx)
BR (2) BR0305746A (xx)
CA (1) CA2494454C (xx)
DE (1) DE60308876T2 (xx)
DK (1) DK1527655T3 (xx)
ES (1) ES2271654T3 (xx)
HK (1) HK1073963A1 (xx)
IL (1) IL165941A (xx)
MX (1) MXPA05001413A (xx)
MY (1) MY139849A (xx)
PL (1) PL373120A1 (xx)
TW (1) TWI315828B (xx)

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ATE406075T1 (de) * 2004-11-23 2008-09-15 Koninkl Philips Electronics Nv Einrichtung und verfahren zur verarbeitung von audiodaten, computerprogrammelement und computerlesbares 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
JP5461835B2 (ja) 2005-05-26 2014-04-02 エルジー エレクトロニクス インコーポレイティド オーディオ信号の符号化／復号化方法及び符号化／復号化装置
JP2009500656A (ja) 2005-06-30 2009-01-08 エルジー エレクトロニクス インコーポレイティド オーディオ信号をエンコーディング及びデコーディングするための装置とその方法
JP5006315B2 (ja) 2005-06-30 2012-08-22 エルジー エレクトロニクス インコーポレイティド オーディオ信号のエンコーディング及びデコーディング方法及び装置
WO2007004830A1 (en) 2005-06-30 2007-01-11 Lg Electronics Inc. Apparatus for encoding and decoding audio signal and method thereof
KR100880642B1 (ko) 2005-08-30 2009-01-30 엘지전자 주식회사 오디오 신호의 디코딩 방법 및 장치
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
US7788107B2 (en) 2005-08-30 2010-08-31 Lg Electronics Inc. Method for decoding an audio signal
WO2007027050A1 (en) 2005-08-30 2007-03-08 Lg Electronics Inc. Apparatus for encoding and decoding audio signal and method thereof
US8068569B2 (en) 2005-10-05 2011-11-29 Lg Electronics, Inc. Method and apparatus for signal processing and encoding and decoding
KR100857115B1 (ko) 2005-10-05 2008-09-05 엘지전자 주식회사 신호 처리 방법 및 이의 장치, 그리고 인코딩 및 디코딩방법 및 이의 장치
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
US7751485B2 (en) 2005-10-05 2010-07-06 Lg Electronics Inc. Signal processing using pilot based coding
WO2007040360A1 (en) 2005-10-05 2007-04-12 Lg Electronics Inc. Method and apparatus for signal processing and encoding and decoding method, and apparatus therefor
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
US7672379B2 (en) 2005-10-05 2010-03-02 Lg Electronics Inc. Audio signal processing, encoding, and decoding
US7653533B2 (en) 2005-10-24 2010-01-26 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
CN104837107B (zh) 2008-12-18 2017-05-10 杜比实验室特许公司 音频通道空间转换
JP5314129B2 (ja) * 2009-03-31 2013-10-16 パナソニック株式会社 音響再生装置及び音響再生方法
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
US9008338B2 (en) * 2010-09-30 2015-04-14 Panasonic Intellectual Property Management Co., Ltd. Audio reproduction apparatus and audio reproduction method
US9781510B2 (en) * 2012-03-22 2017-10-03 Dirac Research Ab Audio precompensation controller design using a variable set of support loudspeakers
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
EP2830332A3 (en) 2013-07-22 2015-03-11 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Method, signal processing unit, and computer program for mapping a plurality of input channels of an input channel configuration to output channels of an output channel configuration
US10567903B2 (en) * 2015-06-24 2020-02-18 Sony Corporation Audio processing apparatus and method, and program
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
CN117953905A (zh) 2018-12-07 2024-04-30 弗劳恩霍夫应用研究促进协会 从包括至少一个声道的信号产生声场描述的装置、方法
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

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EP1054575A2 (en) * 1999-05-17 2000-11-22 Bose Corporation Directional decoding

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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

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EP1054575A2 (en) * 1999-05-17 2000-11-22 Bose Corporation Directional decoding

Also Published As

Publication number Publication date
JP4434951B2 (ja) 2010-03-17
CA2494454A1 (en) 2004-03-04
CN1672464B (zh) 2010-07-28
ES2271654T3 (es) 2007-04-16
CA2494454C (en) 2013-10-01
PL373120A1 (en) 2005-08-08
DE60308876D1 (de) 2006-11-16
CN1672464A (zh) 2005-09-21
JP2005535266A (ja) 2005-11-17
TW200404222A (en) 2004-03-16
BRPI0305746B1 (pt) 2018-03-20
EP1527655A2 (en) 2005-05-04
DE60308876T2 (de) 2007-03-01
KR20050035878A (ko) 2005-04-19
EP1527655B1 (en) 2006-10-04
AU2003278704A1 (en) 2004-03-11
TWI315828B (en) 2009-10-11
IL165941A (en) 2010-06-30
DK1527655T3 (da) 2007-01-29
MXPA05001413A (es) 2005-06-06
IL165941A0 (en) 2006-01-15
BR0305746A (pt) 2004-12-07
ATE341923T1 (de) 2006-10-15
MY139849A (en) 2009-11-30
HK1073963A1 (en) 2005-10-21
KR100988293B1 (ko) 2010-10-18

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FGA Letters patent sealed or granted (standard patent)
MK14 Patent ceased section 143(a) (annual fees not paid) or expired