MXPA05001413A - Conversion espacial de canales de audio. - Google Patents

Conversion espacial de canales de audio.

Info

Publication number
MXPA05001413A
MXPA05001413A MXPA05001413A MXPA05001413A MXPA05001413A MX PA05001413 A MXPA05001413 A MX PA05001413A MX PA05001413 A MXPA05001413 A MX PA05001413A MX PA05001413 A MXPA05001413 A MX PA05001413A MX PA05001413 A MXPA05001413 A MX PA05001413A
Authority
MX
Mexico
Prior art keywords
input
variable
input signals
correlation
matrix
Prior art date
Application number
MXPA05001413A
Other languages
English (en)
Spanish (es)
Inventor
Mark Franklin Davis
Original Assignee
Dolby Lab 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 Lab Licensing Corp filed Critical Dolby Lab Licensing Corp
Priority claimed from PCT/US2003/024570 external-priority patent/WO2004019656A2/en
Publication of MXPA05001413A publication Critical patent/MXPA05001413A/es

Links

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

  • 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)
MXPA05001413A 2002-08-07 2003-08-06 Conversion espacial de canales de audio. MXPA05001413A (es)

Applications Claiming Priority (2)

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

Publications (1)

Publication Number Publication Date
MXPA05001413A true MXPA05001413A (es) 2005-06-06

Family

ID=33489220

Family Applications (1)

Application Number Title Priority Date Filing Date
MXPA05001413A MXPA05001413A (es) 2002-08-07 2003-08-06 Conversion espacial de canales de audio.

Country Status (17)

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

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US7508947B2 (en) * 2004-08-03 2009-03-24 Dolby Laboratories Licensing Corporation Method for combining audio signals using auditory scene analysis
EP1805891B1 (en) 2004-10-26 2012-05-16 Dolby Laboratories Licensing Corporation Calculating and adjusting the perceived loudness and/or the perceived spectral balance of an audio signal
CN101065988B (zh) * 2004-11-23 2011-03-02 皇家飞利浦电子股份有限公司 处理音频数据的设备和方法
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 (en) 2005-05-26 2008-04-02 LG Electronics Inc. Method of encoding and decoding an audio signal
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
EP1946294A2 (en) 2005-06-30 2008-07-23 LG Electronics Inc. Apparatus for encoding and decoding audio signal and method thereof
EP1908057B1 (en) 2005-06-30 2012-06-20 LG Electronics Inc. Method and apparatus for decoding an audio signal
US8577483B2 (en) 2005-08-30 2013-11-05 Lg Electronics, Inc. Method for decoding an audio signal
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
US7788107B2 (en) 2005-08-30 2010-08-31 Lg Electronics Inc. Method for decoding an audio signal
TWI405475B (zh) 2005-08-30 2013-08-11 Lg Electronics Inc 音頻訊號之編碼及解碼裝置及其方法、電腦可讀取媒體及其系統、及可代表該音頻訊號位元流中之資料結構
US8068569B2 (en) 2005-10-05 2011-11-29 Lg Electronics, Inc. Method and apparatus for signal processing and encoding and decoding
EP1946299A4 (en) 2005-10-05 2009-12-02 Lg Electronics Inc METHOD AND APPARATUS FOR SIGNAL PROCESSING
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
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
KR100857117B1 (ko) 2005-10-05 2008-09-05 엘지전자 주식회사 신호 처리 방법 및 이의 장치, 그리고 인코딩 및 디코딩방법 및 이의 장치
US20070092086A1 (en) 2005-10-24 2007-04-26 Pang Hee S Removing time delays in signal paths
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
US9008338B2 (en) * 2010-09-30 2015-04-14 Panasonic Intellectual Property Management Co., Ltd. Audio reproduction apparatus and audio reproduction method
KR101895656B1 (ko) * 2012-03-22 2018-10-18 디락 리서치 에이비 지원 스피커의 변수 세트를 사용하는 오디오 사전 보상 제어기 설계
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
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
CN107710790B (zh) * 2015-06-24 2021-06-22 索尼公司 用于处理声音的装置、方法及程序
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
ES2941268T3 (es) 2018-12-07 2023-05-19 Fraunhofer Ges Forschung Aparato, método y programa informático para codificación, decodificación, procesamiento de escenas y otros procedimientos relacionados con codificación de audio espacial basada en dirac que utiliza compensación difusa
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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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
CN1672464A (zh) 2005-09-21
EP1527655A2 (en) 2005-05-04
DE60308876D1 (de) 2006-11-16
JP2005535266A (ja) 2005-11-17
ES2271654T3 (es) 2007-04-16
EP1527655B1 (en) 2006-10-04
DE60308876T2 (de) 2007-03-01
KR20050035878A (ko) 2005-04-19
BRPI0305746B1 (pt) 2018-03-20
CA2494454A1 (en) 2004-03-04
ATE341923T1 (de) 2006-10-15
IL165941A (en) 2010-06-30
AU2003278704B2 (en) 2009-04-23
MY139849A (en) 2009-11-30
HK1073963A1 (en) 2005-10-21
JP4434951B2 (ja) 2010-03-17
KR100988293B1 (ko) 2010-10-18
IL165941A0 (en) 2006-01-15
PL373120A1 (en) 2005-08-08
DK1527655T3 (da) 2007-01-29
BR0305746A (pt) 2004-12-07
CA2494454C (en) 2013-10-01
TWI315828B (en) 2009-10-11
CN1672464B (zh) 2010-07-28
TW200404222A (en) 2004-03-16
AU2003278704A1 (en) 2004-03-11

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