BRPI0305746B1 - Tradução espacial de canal de áudio - Google Patents

Tradução espacial de canal de áudio Download PDF

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Publication number
BRPI0305746B1
BRPI0305746B1 BRPI0305746-1A BRPI0305746A BRPI0305746B1 BR PI0305746 B1 BRPI0305746 B1 BR PI0305746B1 BR PI0305746 A BRPI0305746 A BR PI0305746A BR PI0305746 B1 BRPI0305746 B1 BR PI0305746B1
Authority
BR
Brazil
Prior art keywords
input
variable
input signals
correlation
fact
Prior art date
Application number
BRPI0305746-1A
Other languages
English (en)
Portuguese (pt)
Inventor
Franklin Davis Mark
Original Assignee
Dolby Laboratories Licensing Corporation
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 Laboratories Licensing Corporation filed Critical Dolby Laboratories Licensing Corporation
Priority claimed from PCT/US2003/024570 external-priority patent/WO2004019656A2/en
Publication of BRPI0305746B1 publication Critical patent/BRPI0305746B1/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

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Mathematical Analysis (AREA)
  • General Physics & Mathematics (AREA)
  • Algebra (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)
BRPI0305746-1A 2002-08-07 2003-08-06 Tradução espacial de canal de áudio BRPI0305746B1 (pt)

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 (1)

Publication Number Publication Date
BRPI0305746B1 true BRPI0305746B1 (pt) 2018-03-20

Family

ID=33489220

Family Applications (2)

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

Family Applications After (1)

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

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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BRPI0518278B1 (pt) 2004-10-26 2018-04-24 Dolby Laboratories Licensing Corporation Método e aparelho para controlar uma característica de sonoridade particular de um sinal de áudio
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
JP2008542816A (ja) 2005-05-26 2008-11-27 エルジー エレクトロニクス インコーポレイティド オーディオ信号の符号化及び復号化方法
AU2006266579B2 (en) 2005-06-30 2009-10-22 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
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
KR101169280B1 (ko) 2005-08-30 2012-08-02 엘지전자 주식회사 오디오 신호의 디코딩 방법 및 장치
US7788107B2 (en) 2005-08-30 2010-08-31 Lg Electronics Inc. Method for decoding an audio signal
US7761303B2 (en) 2005-08-30 2010-07-20 Lg Electronics Inc. Slot position coding of TTT syntax of spatial audio coding application
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
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
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
KR100857121B1 (ko) 2005-10-05 2008-09-05 엘지전자 주식회사 신호 처리 방법 및 이의 장치, 그리고 인코딩 및 디코딩방법 및 이의 장치
EP1946062A4 (de) 2005-10-05 2009-09-09 Lg Electronics Inc Verfahren und vorrichtung zur signalverarbeitung und codierungs- und decodierungsverfahren und vorrichtung dafür
US8068569B2 (en) 2005-10-05 2011-11-29 Lg Electronics, Inc. Method and apparatus for signal processing and encoding and decoding
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
EP2304721B1 (de) * 2008-06-26 2012-05-09 France Telecom Raumsynthese mehrkanaliger tonsignale
CN102273233B (zh) * 2008-12-18 2015-04-15 杜比实验室特许公司 音频通道空间转换
WO2010113434A1 (ja) * 2009-03-31 2010-10-07 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
EP2692155B1 (de) * 2012-03-22 2018-05-16 Dirac Research AB Entwurf für eine audiovorkompensierungssteuerung mit einem variablen satz unterstützender lautsprecher
EP2830051A3 (de) 2013-07-22 2015-03-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audiocodierer, Audiodecodierer, Verfahren und Computerprogramm mit gemeinsamen codierten Restsignalen
EP2830332A3 (de) 2013-07-22 2015-03-11 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren, Signalverarbeitungseinheit und Computerprogramm zur Zuordnung von Eingabekanälen einer Eingangskanalkonfiguration an Ausgabekanäle einer Ausgabekanalkonfiguration
BR122022019910B1 (pt) * 2015-06-24 2024-03-12 Sony Corporation Aparelho e método de processamento de áudio, e, meio de armazenamento não transitório legível por computador
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
JP7311602B2 (ja) * 2018-12-07 2023-07-19 フラウンホッファー－ゲゼルシャフト ツァ フェルダールング デァ アンゲヴァンテン フォアシュンク エー．ファオ 低次、中次、高次成分生成器を用いたＤｉｒＡＣベースの空間音声符号化に関する符号化、復号化、シーン処理および他の手順を行う装置、方法およびコンピュータプログラム
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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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 (de) * 1999-05-17 2002-09-18 Bose Corporation Richtdekodierer

Also Published As

Publication number Publication date
ES2271654T3 (es) 2007-04-16
ATE341923T1 (de) 2006-10-15
CA2494454A1 (en) 2004-03-04
CN1672464B (zh) 2010-07-28
DE60308876T2 (de) 2007-03-01
BR0305746A (pt) 2004-12-07
HK1073963A1 (en) 2005-10-21
TWI315828B (en) 2009-10-11
EP1527655B1 (de) 2006-10-04
IL165941A0 (en) 2006-01-15
AU2003278704A1 (en) 2004-03-11
PL373120A1 (en) 2005-08-08
DK1527655T3 (da) 2007-01-29
KR20050035878A (ko) 2005-04-19
MXPA05001413A (es) 2005-06-06
AU2003278704B2 (en) 2009-04-23
MY139849A (en) 2009-11-30
KR100988293B1 (ko) 2010-10-18
JP2005535266A (ja) 2005-11-17
JP4434951B2 (ja) 2010-03-17
TW200404222A (en) 2004-03-16
CA2494454C (en) 2013-10-01
DE60308876D1 (de) 2006-11-16
EP1527655A2 (de) 2005-05-04
CN1672464A (zh) 2005-09-21
IL165941A (en) 2010-06-30

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