EP1013140A4 - 5-2-5 matrix encoder and decoder system - Google Patents

5-2-5 matrix encoder and decoder system

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)
French (fr)
Other versions
EP1013140A1 (en
EP1013140B1 (en
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/en
Publication of EP1013140A4 publication Critical patent/EP1013140A4/en
Application granted granted Critical
Publication of EP1013140B1 publication Critical patent/EP1013140B1/en
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 5-2-5 matrix decoder system Expired - Lifetime EP1013140B1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
1997-01-14
US5816997P 1997-09-05 1997-09-05
US58169P 1997-09-05
PCT/US1998/018390 WO1999012386A1 (en) 1997-09-05 1998-09-03 5-2-5 matrix encoder and decoder system
US09/146,442 US6697491B1 (en) 1996-07-19 1998-09-03 5-2-5 matrix encoder and decoder system

Publications (3)

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

Family

ID=26737320

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98945881A Expired - Lifetime EP1013140B1 (en) 1997-09-05 1998-09-03 5-2-5 matrix 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
CN1748247B (en) * 2003-02-11 2011-06-15 皇家飞利浦电子股份有限公司 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
AU2006255662B2 (en) * 2005-06-03 2012-08-23 Dolby Laboratories Licensing Corporation Apparatus and method for encoding audio signals with decoding instructions
CA2617050C (en) * 2005-07-29 2012-10-09 Lg Electronics Inc. Method for signaling of splitting information
US8073703B2 (en) 2005-10-07 2011-12-06 Panasonic Corporation Acoustic signal processing apparatus and acoustic signal processing method
TWI420918B (en) * 2005-12-02 2013-12-21 Dolby Lab Licensing Corp Low-complexity audio matrix decoder
CN101361122B (en) * 2006-04-03 2012-12-19 Lg电子株式会社 Method and apparatus for processing a media signal
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
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
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
UA101974C2 (en) 2008-04-18 2013-05-27 Долби Леборетериз Лайсенсинг Корпорейшн Method and apparatus for maintaining speech audibility in multi-channel audio with minimal impact on surround experience
ES2425814T3 (en) * 2008-08-13 2013-10-17 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. 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
CN104160442B (en) * 2012-02-24 2016-10-12 杜比国际公司 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

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991019407A1 (en) * 1990-06-08 1991-12-12 Harman International Industries, Incorporated Surround processor
WO1992015180A1 (en) * 1991-02-15 1992-09-03 Trifield Productions Ltd. Sound reproduction system
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 (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
US5136650A (en) * 1991-01-09 1992-08-04 Lexicon, Inc. Sound reproduction
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

Patent Citations (3)

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

Non-Patent Citations (1)

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

Also Published As

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

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