BR0305746A - Tradução espacial de canal de áudio - Google Patents

Tradução espacial de canal de áudio

Info

Publication number
BR0305746A
BR0305746A BR0305746-1A BR0305746A BR0305746A BR 0305746 A BR0305746 A BR 0305746A BR 0305746 A BR0305746 A BR 0305746A BR 0305746 A BR0305746 A BR 0305746A
Authority
BR
Brazil
Prior art keywords
input signals
correlation
signals
compact
audio channel
Prior art date
Application number
BR0305746-1A
Other languages
English (en)
Portuguese (pt)
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 BR0305746A publication Critical patent/BR0305746A/pt

Links

Classifications

    • 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

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)
BR0305746-1A 2002-08-07 2003-08-06 Tradução espacial de canal de áudio BR0305746A (pt)

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
BR0305746A true BR0305746A (pt) 2004-12-07

Family

ID=33489220

Family Applications (2)

Application Number Title Priority Date Filing Date
BR0305746-1A BR0305746A (pt) 2002-08-07 2003-08-06 Tradução espacial de canal de áudio
BRPI0305746-1A BRPI0305746B1 (pt) 2002-08-07 2003-08-06 Tradução espacial de canal de áudio

Family Applications After (1)

Application Number Title Priority Date Filing Date
BRPI0305746-1A BRPI0305746B1 (pt) 2002-08-07 2003-08-06 Tradução espacial de canal de áudio

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
JP5101292B2 (ja) 2004-10-26 2012-12-19 ドルビー ラボラトリーズ ライセンシング コーポレイション オーディオ信号の感知音量及び／又は感知スペクトルバランスの計算と調整
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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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
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
AU2003278704B2 (en) 2009-04-23
DK1527655T3 (da) 2007-01-29
MXPA05001413A (es) 2005-06-06
IL165941A0 (en) 2006-01-15
ATE341923T1 (de) 2006-10-15
MY139849A (en) 2009-11-30
HK1073963A1 (en) 2005-10-21
KR100988293B1 (ko) 2010-10-18

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Legal Events

Date Code Title Description
B15K Others concerning applications: alteration of classification

Ipc: H04S 3/02 (1980.01)

B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 20/03/2018, OBSERVADAS AS CONDICOES LEGAIS.