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

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KR101243687B1 (ko) * 2004-11-23 2013-03-14 코닌클리케 필립스 일렉트로닉스 엔.브이. 오디오 데이터를 처리하기 위한 디바이스 및 방법, 컴퓨터프로그램 요소 및 컴퓨터-판독가능한 매체
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
EP1905004A2 (de) 2005-05-26 2008-04-02 LG Electronics Inc. Verfahren zum codieren und decodieren eines audiosignals
WO2007004831A1 (en) 2005-06-30 2007-01-11 Lg Electronics Inc. Method and apparatus for encoding and decoding an audio signal
AU2006266655B2 (en) 2005-06-30 2009-08-20 Lg Electronics Inc. Apparatus for encoding and decoding audio signal and method thereof
US8082157B2 (en) 2005-06-30 2011-12-20 Lg Electronics Inc. Apparatus for encoding and decoding audio signal and method thereof
JP5173811B2 (ja) 2005-08-30 2013-04-03 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
JP5108767B2 (ja) 2005-08-30 2012-12-26 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
US7788107B2 (en) 2005-08-30 2010-08-31 Lg Electronics Inc. Method for decoding an audio signal
US8577483B2 (en) 2005-08-30 2013-11-05 Lg Electronics, Inc. Method for decoding an audio signal
ES2478004T3 (es) 2005-10-05 2014-07-18 Lg Electronics Inc. Método y aparato para decodificar una señal de audio
US7751485B2 (en) 2005-10-05 2010-07-06 Lg Electronics Inc. Signal processing using pilot based coding
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
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
KR100857111B1 (ko) 2005-10-05 2008-09-08 엘지전자 주식회사 신호 처리 방법 및 이의 장치, 그리고 인코딩 및 디코딩방법 및 이의 장치
US7653533B2 (en) 2005-10-24 2010-01-26 Lg Electronics Inc. Removing time delays in signal paths
US7752053B2 (en) 2006-01-13 2010-07-06 Lg Electronics Inc. Audio signal processing using pilot based coding
US7965848B2 (en) 2006-03-29 2011-06-21 Dolby International Ab Reduced number of channels decoding
CN102077276B (zh) * 2008-06-26 2014-04-09 法国电信公司 多声道音频信号的空间合成
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
ES2683821T3 (es) * 2012-03-22 2018-09-28 Dirac Research Ab Diseño de controlador de precompensación de audio usando un conjunto variable de altavoces de soporte
EP2830335A3 (de) 2013-07-22 2015-02-25 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung, Verfahren und Computerprogramm zur Zuordnung eines ersten und eines zweiten Eingabekanals an mindestens einen Ausgabekanal
EP2830052A1 (de) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audiodecodierer, Audiocodierer, Verfahren zur Bereitstellung von mindestens vier Audiokanalsignalen auf Basis einer codierten Darstellung, Verfahren zur Bereitstellung einer codierten Darstellung auf Basis von mindestens vier Audiokanalsignalen und Computerprogramm mit Bandbreitenerweiterung
KR102633077B1 (ko) * 2015-06-24 2024-02-05 소니그룹주식회사 음성 처리 장치 및 방법, 그리고 기록 매체
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
KR102599744B1 (ko) 2018-12-07 2023-11-08 프라운호퍼-게젤샤프트 추르 푀르데룽 데어 안제반텐 포르슝 에 파우 방향 컴포넌트 보상을 사용하는 DirAC 기반 공간 오디오 코딩과 관련된 인코딩, 디코딩, 장면 처리 및 기타 절차를 위한 장치, 방법 및 컴퓨터 프로그램
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 (de) * 1999-05-17 2000-11-22 Bose Corporation Richtdekodierer

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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

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1054575A2 (de) * 1999-05-17 2000-11-22 Bose Corporation Richtdekodierer

Also Published As

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

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