AU750877C - 5-2-5 matrix encoder and decoder system - Google Patents

5-2-5 matrix encoder and decoder system

Info

Publication number
AU750877C
AU750877C AU93026/98A AU9302698A AU750877C AU 750877 C AU750877 C AU 750877C AU 93026/98 A AU93026/98 A AU 93026/98A AU 9302698 A AU9302698 A AU 9302698A AU 750877 C AU750877 C AU 750877C
Authority
AU
Australia
Prior art keywords
signal
signals
output
center
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.)
Ceased
Application number
AU93026/98A
Other languages
English (en)
Other versions
AU9302698A (en
AU750877B2 (en
Inventor
David H. 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.)
Lexicon 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 AU9302698A publication Critical patent/AU9302698A/en
Application granted granted Critical
Publication of AU750877B2 publication Critical patent/AU750877B2/en
Publication of AU750877C publication Critical patent/AU750877C/en
Assigned to LEXICON, INC. reassignment LEXICON, INC. Request to Amend Deed and Register Assignors: LEXICON
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S3/00Systems employing more than two channels, e.g. quadraphonic
    • H04S3/02Systems 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Stereophonic System (AREA)
  • Error Detection And Correction (AREA)
AU93026/98A 1997-09-05 1998-09-03 5-2-5 matrix encoder and decoder system Ceased AU750877C (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
USNOTGIVEN 1994-10-17
US5816997P 1997-09-05 1997-09-05
US60/058169 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 (en) 1997-09-05 1998-09-03 5-2-5 matrix encoder and decoder system

Publications (3)

Publication Number Publication Date
AU9302698A AU9302698A (en) 1999-03-22
AU750877B2 AU750877B2 (en) 2002-08-01
AU750877C true AU750877C (en) 2004-04-29

Family

ID=26737320

Family Applications (1)

Application Number Title Priority Date Filing Date
AU93026/98A Ceased AU750877C (en) 1997-09-05 1998-09-03 5-2-5 matrix encoder and decoder system

Country Status (6)

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

Families Citing this family (21)

* Cited by examiner, † Cited by third party
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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
ES2273216T3 (es) * 2003-02-11 2007-05-01 Koninklijke Philips Electronics N.V. Codificacion de audio.
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 (en) * 2005-06-03 2006-12-14 Dolby Laboratories Licensing Corporation Apparatus and method for encoding audio signals with decoding instructions
KR100857104B1 (ko) * 2005-07-29 2008-09-05 엘지전자 주식회사 인코딩된 오디오 신호 생성 및 처리 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
KR100904435B1 (ko) * 2006-04-03 2009-06-24 엘지전자 주식회사 미디어 신호 처리 방법 및 장치
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
EP2279509B1 (en) 2008-04-18 2012-12-19 Dolby Laboratories Licensing Corporation Method and apparatus for maintaining speech audibility in multi-channel audio with minimal impact on surround experience
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
US9728194B2 (en) 2012-02-24 2017-08-08 Dolby International Ab Audio processing
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 (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3934086A (en) * 1973-08-20 1976-01-20 Sansui Electric Co., Ltd. Matrix four-channel decoding system
US4152542A (en) * 1971-10-06 1979-05-01 Cooper Duane P Multichannel matrix logic and encoding systems

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US5504819A (en) * 1990-06-08 1996-04-02 Harman International Industries, Inc. Surround sound processor with improved control voltage generator
US5172415A (en) * 1990-06-08 1992-12-15 Fosgate James W Surround processor
US5136650A (en) * 1991-01-09 1992-08-04 Lexicon, Inc. Sound reproduction
GB9103207D0 (en) * 1991-02-15 1991-04-03 Gerzon Michael A Stereophonic sound reproduction system
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 (2)

* 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
US3934086A (en) * 1973-08-20 1976-01-20 Sansui Electric Co., Ltd. Matrix four-channel decoding system

Also Published As

Publication number Publication date
JP2006238498A (ja) 2006-09-07
EP1013140A1 (en) 2000-06-28
WO1999012386A9 (en) 2004-10-21
JP2004507904A (ja) 2004-03-11
JP4782614B2 (ja) 2011-09-28
AU9302698A (en) 1999-03-22
AU750877B2 (en) 2002-08-01
EP1013140B1 (en) 2012-12-05
PL338988A1 (en) 2000-12-04
WO1999012386A1 (en) 1999-03-11
CN1214690C (zh) 2005-08-10
EP1013140A4 (en) 2003-05-07
CN1278996A (zh) 2001-01-03

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US5796844A (en) Multichannel active matrix sound reproduction with maximum lateral separation
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US5136650A (en) Sound reproduction
US4862502A (en) Sound reproduction
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US20010014160A1 (en) Sound field correction circuit
JP2010178375A (ja) 5−2−5マトリックス・エンコーダおよびデコーダ・システム
Griesinger Progress in 5-2-5 matrix systems
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Legal Events

Date Code Title Description
DA2 Applications for amendment section 104

Free format text: THE NATURE OF THE PROPOSED AMENDMENT IS AS SHOWN IN THE STATEMENT(S) FILED 20030630

DA3 Amendments made section 104

Free format text: THE NATURE OF THE AMENDMENT IS AS WAS NOTIFIED IN THE OFFICIAL JOURNAL DATED 20031009

HB Alteration of name in register

Owner name: LEXICON, INC.

Free format text: FORMER NAME WAS: LEXICON