PL338988A1 - Matrix-type 5-2-5 encoder and decoder system - Google Patents

Matrix-type 5-2-5 encoder and decoder system

Info

Publication number
PL338988A1
PL338988A1 PL98338988A PL33898898A PL338988A1 PL 338988 A1 PL338988 A1 PL 338988A1 PL 98338988 A PL98338988 A PL 98338988A PL 33898898 A PL33898898 A PL 33898898A PL 338988 A1 PL338988 A1 PL 338988A1
Authority
PL
Poland
Prior art keywords
encoder
matrix
type
decoder system
decoder
Prior art date
Application number
PL98338988A
Other languages
English (en)
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 PL338988A1 publication Critical patent/PL338988A1/xx

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

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)
PL98338988A 1997-09-05 1998-09-03 Matrix-type 5-2-5 encoder and decoder system PL338988A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US5816997P 1997-09-05 1997-09-05
US09/146,442 US6697491B1 (en) 1996-07-19 1998-09-03 5-2-5 matrix encoder and decoder system

Publications (1)

Publication Number Publication Date
PL338988A1 true PL338988A1 (en) 2000-12-04

Family

ID=26737320

Family Applications (1)

Application Number Title Priority Date Filing Date
PL98338988A PL338988A1 (en) 1997-09-05 1998-09-03 Matrix-type 5-2-5 encoder and decoder system

Country Status (6)

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

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
CN1748247B (zh) * 2003-02-11 2011-06-15 皇家飞利浦电子股份有限公司 音频编码
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
EP1927102A2 (en) * 2005-06-03 2008-06-04 Dolby Laboratories Licensing Corporation Apparatus and method for encoding audio signals with decoding instructions
KR100857102B1 (ko) * 2005-07-29 2008-09-08 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
CN101361122B (zh) * 2006-04-03 2012-12-19 Lg电子株式会社 处理媒体信号的装置及其方法
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
AU2009274456B2 (en) 2008-04-18 2011-08-25 Dolby Laboratories Licensing Corporation Method and apparatus for maintaining speech audibility in multi-channel audio with minimal impact on surround experience
EP2154677B1 (en) * 2008-08-13 2013-07-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. An apparatus for determining a converted spatial audio signal
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
WO2013124446A1 (en) * 2012-02-24 2013-08-29 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

Family Cites Families (10)

* 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 (https=) * 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
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

Also Published As

Publication number Publication date
CN1278996A (zh) 2001-01-03
CN1214690C (zh) 2005-08-10
JP2006238498A (ja) 2006-09-07
AU750877B2 (en) 2002-08-01
WO1999012386A9 (en) 2004-10-21
EP1013140A4 (en) 2003-05-07
WO1999012386A1 (en) 1999-03-11
AU750877C (en) 2004-04-29
EP1013140B1 (en) 2012-12-05
JP4782614B2 (ja) 2011-09-28
EP1013140A1 (en) 2000-06-28
JP2004507904A (ja) 2004-03-11
AU9302698A (en) 1999-03-22

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Legal Events

Date Code Title Description
DISC Decisions on discontinuance of the proceedings (taken after the publication of the particulars of the applications)