EP1013140A4 - Systeme de codage et de decodage a matrice 5-2-5 - Google Patents

Systeme de codage et de decodage a matrice 5-2-5

Info

Publication number
EP1013140A4
EP1013140A4 EP98945881A EP98945881A EP1013140A4 EP 1013140 A4 EP1013140 A4 EP 1013140A4 EP 98945881 A EP98945881 A EP 98945881A EP 98945881 A EP98945881 A EP 98945881A EP 1013140 A4 EP1013140 A4 EP 1013140A4
Authority
EP
European Patent Office
Prior art keywords
decoder system
matrix encoder
encoder
matrix
decoder
Prior art date
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.)
Granted
Application number
EP98945881A
Other languages
German (de)
English (en)
Other versions
EP1013140A1 (fr
EP1013140B1 (fr
Inventor
David Griesinger
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Harman International Industries Inc
Original Assignee
LEXICON
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 LEXICON filed Critical LEXICON
Priority claimed from US09/146,442 external-priority patent/US6697491B1/en
Publication of EP1013140A1 publication Critical patent/EP1013140A1/fr
Publication of EP1013140A4 publication Critical patent/EP1013140A4/fr
Application granted granted Critical
Publication of EP1013140B1 publication Critical patent/EP1013140B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
EP98945881A 1997-09-05 1998-09-03 Systeme de decodage a matrice 5-2-5 Expired - Lifetime EP1013140B1 (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US5816997P 1997-09-05 1997-09-05
US58169P 1997-09-05
US09/146,442 US6697491B1 (en) 1996-07-19 1998-09-03 5-2-5 matrix encoder and decoder system
PCT/US1998/018390 WO1999012386A1 (fr) 1997-09-05 1998-09-03 Systeme de codage et de decodage a matrice 5-2-5
2001-06-11

Publications (3)

Publication Number Publication Date
EP1013140A1 EP1013140A1 (fr) 2000-06-28
EP1013140A4 true EP1013140A4 (fr) 2003-05-07
EP1013140B1 EP1013140B1 (fr) 2012-12-05

Family

ID=26737320

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98945881A Expired - Lifetime EP1013140B1 (fr) 1997-09-05 1998-09-03 Systeme de decodage a matrice 5-2-5

Country Status (6)

Country Link
EP (1) EP1013140B1 (fr)
JP (2) JP2004507904A (fr)
CN (1) CN1214690C (fr)
AU (1) AU750877C (fr)
PL (1) PL338988A1 (fr)
WO (1) WO1999012386A1 (fr)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6154660A (en) * 1998-07-21 2000-11-28 Ericsson Inc. Callee-based telephone line preselection
US6442278B1 (en) * 1999-06-15 2002-08-27 Hearing Enhancement Company, Llc Voice-to-remaining audio (VRA) interactive center channel downmix
KR100923297B1 (ko) * 2002-12-14 2009-10-23 삼성전자주식회사 스테레오 오디오 부호화 방법, 그 장치, 복호화 방법 및그 장치
JP4431568B2 (ja) * 2003-02-11 2010-03-17 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 音声符号化
JP3915804B2 (ja) * 2004-08-26 2007-05-16 ヤマハ株式会社 オーディオ再生装置
TWI397903B (zh) * 2005-04-13 2013-06-01 Dolby Lab Licensing Corp 編碼音訊之節約音量測量技術
WO2006132857A2 (fr) * 2005-06-03 2006-12-14 Dolby Laboratories Licensing Corporation Appareil et procede permettant de coder des signaux audio a l'aide d'instructions de decodage
KR100841332B1 (ko) * 2005-07-29 2008-06-25 엘지전자 주식회사 분할 정보를 시그널링 하는 방법
US8073703B2 (en) 2005-10-07 2011-12-06 Panasonic Corporation Acoustic signal processing apparatus and acoustic signal processing method
TWI420918B (zh) * 2005-12-02 2013-12-21 Dolby Lab Licensing Corp 低複雜度音訊矩陣解碼器
EP2002425B1 (fr) * 2006-04-03 2016-06-22 Lg Electronics Inc. Codeur de signaux audio et décodeur de signaux audio
TWI517562B (zh) * 2006-04-04 2016-01-11 杜比實驗室特許公司 用於將多聲道音訊信號之全面感知響度縮放一期望量的方法、裝置及電腦程式
US8660280B2 (en) 2007-11-28 2014-02-25 Qualcomm Incorporated Methods and apparatus for providing a distinct perceptual location for an audio source within an audio mixture
US8515106B2 (en) 2007-11-28 2013-08-20 Qualcomm Incorporated Methods and apparatus for providing an interface to a processing engine that utilizes intelligent audio mixing techniques
JP5341983B2 (ja) 2008-04-18 2013-11-13 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 サラウンド体験に対する影響を最小限にしてマルチチャンネルオーディオにおけるスピーチの聴覚性を維持するための方法及び装置
ES2425814T3 (es) * 2008-08-13 2013-10-17 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Aparato para determinar una señal de audio espacial convertida
TWI413109B (zh) 2008-10-01 2013-10-21 Dolby Lab Licensing Corp 用於上混系統之解相關器
KR101600352B1 (ko) 2008-10-30 2016-03-07 삼성전자주식회사 멀티 채널 신호의 부호화/복호화 장치 및 방법
CN103000179B (zh) * 2011-09-16 2014-11-12 中国科学院声学研究所 一种多通道音频编解码系统及其方法
CN104160442B (zh) * 2012-02-24 2016-10-12 杜比国际公司 音频处理
CN108206021B (zh) * 2016-12-16 2020-12-18 南京青衿信息科技有限公司 一种后向兼容式三维声编码器、解码器及其编解码方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991019407A1 (fr) * 1990-06-08 1991-12-12 Harman International Industries, Incorporated Processeur acoustique d'ambiance
WO1992015180A1 (fr) * 1991-02-15 1992-09-03 Trifield Productions Ltd. Systeme de reproduction sonore
US5644640A (en) * 1990-06-08 1997-07-01 Harman International Industries, Inc. Surround sound processor with improved control voltage generator

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4152542A (en) * 1971-10-06 1979-05-01 Cooper Duane P Multichannel matrix logic and encoding systems
JPS5248001B2 (fr) * 1973-08-20 1977-12-07
US4862502A (en) * 1988-01-06 1989-08-29 Lexicon, Inc. Sound reproduction
JP2647991B2 (ja) * 1990-04-26 1997-08-27 三洋電機株式会社 方向性強調を有するオーディオ信号処理装置
US5136650A (en) * 1991-01-09 1992-08-04 Lexicon, Inc. Sound reproduction
JPH0560098U (ja) * 1992-01-09 1993-08-06 三洋電機株式会社 音声信号処理装置
US5796844A (en) * 1996-07-19 1998-08-18 Lexicon Multichannel active matrix sound reproduction with maximum lateral separation

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991019407A1 (fr) * 1990-06-08 1991-12-12 Harman International Industries, Incorporated Processeur acoustique d'ambiance
US5644640A (en) * 1990-06-08 1997-07-01 Harman International Industries, Inc. Surround sound processor with improved control voltage generator
WO1992015180A1 (fr) * 1991-02-15 1992-09-03 Trifield Productions Ltd. Systeme de reproduction sonore

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO9912386A1 *

Also Published As

Publication number Publication date
JP2004507904A (ja) 2004-03-11
AU750877C (en) 2004-04-29
AU750877B2 (en) 2002-08-01
WO1999012386A9 (fr) 2004-10-21
WO1999012386A1 (fr) 1999-03-11
CN1214690C (zh) 2005-08-10
CN1278996A (zh) 2001-01-03
AU9302698A (en) 1999-03-22
PL338988A1 (en) 2000-12-04
EP1013140A1 (fr) 2000-06-28
JP4782614B2 (ja) 2011-09-28
EP1013140B1 (fr) 2012-12-05
JP2006238498A (ja) 2006-09-07

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