KR100988293B1 - 오디오 채널 공간 트랜스레이션 - Google Patents

오디오 채널 공간 트랜스레이션 Download PDF

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KR100988293B1
KR100988293B1 KR1020057002087A KR20057002087A KR100988293B1 KR 100988293 B1 KR100988293 B1 KR 100988293B1 KR 1020057002087 A KR1020057002087 A KR 1020057002087A KR 20057002087 A KR20057002087 A KR 20057002087A KR 100988293 B1 KR100988293 B1 KR 100988293B1
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South Korea
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variable
input
input signals
matrix
signals
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KR1020057002087A
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English (en)
Korean (ko)
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KR20050035878A (ko
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마크 플랭클린 데이비스
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돌비 레버러토리즈 라이쎈싱 코오포레이션
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/02—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 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • 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)
KR1020057002087A 2002-08-07 2003-08-06 오디오 채널 공간 트랜스레이션 KR100988293B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US40198302P 2002-08-07 2002-08-07
US60/401,983 2002-08-07

Publications (2)

Publication Number Publication Date
KR20050035878A KR20050035878A (ko) 2005-04-19
KR100988293B1 true KR100988293B1 (ko) 2010-10-18

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KR1020057002087A KR100988293B1 (ko) 2002-08-07 2003-08-06 오디오 채널 공간 트랜스레이션

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) BR0305746A (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)

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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
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US8214221B2 (en) 2005-06-30 2012-07-03 Lg Electronics Inc. Method and apparatus for decoding an audio signal and identifying information included in the audio signal
US8082157B2 (en) 2005-06-30 2011-12-20 Lg Electronics Inc. Apparatus for encoding and decoding audio signal and method thereof
KR20080049735A (ko) 2005-08-30 2008-06-04 엘지전자 주식회사 오디오 신호의 디코딩 방법 및 장치
WO2007055463A1 (en) 2005-08-30 2007-05-18 Lg Electronics Inc. Apparatus for encoding and decoding audio signal and method thereof
US8577483B2 (en) 2005-08-30 2013-11-05 Lg Electronics, Inc. Method for decoding an audio signal
US7788107B2 (en) 2005-08-30 2010-08-31 Lg Electronics Inc. Method for decoding an audio signal
US7751485B2 (en) 2005-10-05 2010-07-06 Lg Electronics Inc. Signal processing using pilot based coding
KR100857120B1 (ko) 2005-10-05 2008-09-05 엘지전자 주식회사 신호 처리 방법 및 이의 장치, 그리고 인코딩 및 디코딩방법 및 이의 장치
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
US8068569B2 (en) 2005-10-05 2011-11-29 Lg Electronics, Inc. Method and apparatus for signal processing and encoding and decoding
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
WO2007040361A1 (en) 2005-10-05 2007-04-12 Lg Electronics Inc. Method and apparatus for signal processing and encoding and decoding method, and apparatus therefor
US7742913B2 (en) 2005-10-24 2010-06-22 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
JP5366104B2 (ja) * 2008-06-26 2013-12-11 オランジュ マルチチャネル・オーディオ信号の空間合成
EP2398257B1 (en) * 2008-12-18 2017-05-10 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
US9008338B2 (en) * 2010-09-30 2015-04-14 Panasonic Intellectual Property Management Co., Ltd. Audio reproduction apparatus and audio reproduction method
SG11201403493XA (en) * 2012-03-22 2014-07-30 Dirac Res 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
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
RU2708441C2 (ru) * 2015-06-24 2019-12-06 Сони Корпорейшн Устройство, способ и программа аудиообработки
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
CA3122164C (en) 2018-12-07 2024-01-02 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus, method and computer program for encoding, decoding, scene processing and other procedures related to dirac based spatial audio coding using diffuse compensation
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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US6009179A (en) * 1997-01-24 1999-12-28 Sony Corporation Method and apparatus for electronically embedding directional cues in two channels of sound
EP1054575A2 (en) * 1999-05-17 2000-11-22 Bose Corporation Directional decoding

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US6072878A (en) * 1997-09-24 2000-06-06 Sonic Solutions Multi-channel surround sound mastering and reproduction techniques that preserve spatial harmonics

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US6009179A (en) * 1997-01-24 1999-12-28 Sony Corporation Method and apparatus for electronically embedding directional cues in two channels of sound
WO1999051063A1 (en) * 1998-03-31 1999-10-07 Lake Technology Limited Headtracked processing for headtracked playback of audio signals
EP1054575A2 (en) * 1999-05-17 2000-11-22 Bose Corporation Directional decoding

Also Published As

Publication number Publication date
IL165941A (en) 2010-06-30
IL165941A0 (en) 2006-01-15
AU2003278704A1 (en) 2004-03-11
AU2003278704B2 (en) 2009-04-23
DE60308876D1 (de) 2006-11-16
BRPI0305746B1 (pt) 2018-03-20
TWI315828B (en) 2009-10-11
EP1527655A2 (en) 2005-05-04
BR0305746A (pt) 2004-12-07
EP1527655B1 (en) 2006-10-04
JP4434951B2 (ja) 2010-03-17
KR20050035878A (ko) 2005-04-19
PL373120A1 (en) 2005-08-08
MY139849A (en) 2009-11-30
CN1672464B (zh) 2010-07-28
CA2494454A1 (en) 2004-03-04
DE60308876T2 (de) 2007-03-01
ATE341923T1 (de) 2006-10-15
ES2271654T3 (es) 2007-04-16
JP2005535266A (ja) 2005-11-17
CN1672464A (zh) 2005-09-21
HK1073963A1 (en) 2005-10-21
MXPA05001413A (es) 2005-06-06
CA2494454C (en) 2013-10-01
TW200404222A (en) 2004-03-16
DK1527655T3 (da) 2007-01-29

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