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
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/en

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 (en)
JP (2) JP2004507904A (en)
CN (1) CN1214690C (en)
AU (1) AU750877C (en)
PL (1) PL338988A1 (en)
WO (1) WO1999012386A1 (en)

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 (en) * 2002-12-14 2009-10-23 삼성전자주식회사 Method for encoding stereo audio, apparatus thereof, method for decoding audio stream and apparatus thereof
DE602004002390T2 (en) * 2003-02-11 2007-09-06 Koninklijke Philips Electronics N.V. AUDIO CODING
JP3915804B2 (en) * 2004-08-26 2007-05-16 ヤマハ株式会社 Audio playback device
TWI397903B (en) * 2005-04-13 2013-06-01 Dolby Lab Licensing Corp Economical loudness measurement of coded audio
EP1927102A2 (en) * 2005-06-03 2008-06-04 Dolby Laboratories Licensing Corporation Apparatus and method for encoding audio signals with decoding instructions
CN101233571B (en) * 2005-07-29 2012-12-05 Lg电子株式会社 Method and device for processing audio signal
JP4976304B2 (en) * 2005-10-07 2012-07-18 パナソニック株式会社 Acoustic signal processing apparatus, acoustic signal processing method, and program
TWI420918B (en) * 2005-12-02 2013-12-21 Dolby Lab Licensing Corp Low-complexity audio matrix decoder
JP5113151B2 (en) * 2006-04-03 2013-01-09 エルジー エレクトロニクス インコーポレイティド Media signal processing apparatus and method
TWI517562B (en) * 2006-04-04 2016-01-11 杜比實驗室特許公司 Method, apparatus, and computer program for scaling the overall perceived loudness of a multichannel audio signal by a desired amount
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
EP2373067B1 (en) 2008-04-18 2013-04-17 Dolby Laboratories Licensing Corporation Method and apparatus for maintaining speech audibility in multi-channel audio with minimal impact on surround experience
PL2154677T3 (en) * 2008-08-13 2013-12-31 Fraunhofer Ges Forschung An apparatus for determining a converted spatial audio signal
TWI413109B (en) 2008-10-01 2013-10-21 Dolby Lab Licensing Corp Decorrelator for upmixing systems
KR101600352B1 (en) * 2008-10-30 2016-03-07 삼성전자주식회사 / method and apparatus for encoding/decoding multichannel signal
CN103000179B (en) * 2011-09-16 2014-11-12 中国科学院声学研究所 Multichannel audio coding/decoding system and method
WO2013124446A1 (en) 2012-02-24 2013-08-29 Dolby International Ab Audio processing
CN108206021B (en) * 2016-12-16 2020-12-18 南京青衿信息科技有限公司 Backward compatible three-dimensional sound encoder, decoder and encoding and decoding methods thereof

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 (en) * 1973-08-20 1977-12-07
US4862502A (en) * 1988-01-06 1989-08-29 Lexicon, Inc. Sound reproduction
JP2647991B2 (en) * 1990-04-26 1997-08-27 三洋電機株式会社 Audio signal processing device having directionality enhancement
US5172415A (en) * 1990-06-08 1992-12-15 Fosgate James W Surround processor
US5504819A (en) * 1990-06-08 1996-04-02 Harman International Industries, Inc. Surround sound processor with improved control voltage generator
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 (en) * 1992-01-09 1993-08-06 三洋電機株式会社 Audio signal processor
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
AU750877C (en) 2004-04-29
AU750877B2 (en) 2002-08-01
EP1013140B1 (en) 2012-12-05
WO1999012386A9 (en) 2004-10-21
JP2004507904A (en) 2004-03-11
CN1278996A (en) 2001-01-03
CN1214690C (en) 2005-08-10
AU9302698A (en) 1999-03-22
EP1013140A4 (en) 2003-05-07
EP1013140A1 (en) 2000-06-28
JP2006238498A (en) 2006-09-07
WO1999012386A1 (en) 1999-03-11
JP4782614B2 (en) 2011-09-28

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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)