DE69638306D1 - 5-2-5 Matrixsystem - Google Patents

5-2-5 Matrixsystem

Info

Publication number
DE69638306D1
DE69638306D1 DE69638306T DE69638306T DE69638306D1 DE 69638306 D1 DE69638306 D1 DE 69638306D1 DE 69638306 T DE69638306 T DE 69638306T DE 69638306 T DE69638306 T DE 69638306T DE 69638306 D1 DE69638306 D1 DE 69638306D1
Authority
DE
Germany
Prior art keywords
matrix system
matrix
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.)
Expired - Lifetime
Application number
DE69638306T
Other languages
German (de)
English (en)
Inventor
James K Waller Jr
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.)
DTS LLC
Original Assignee
SRS Labs Inc
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 SRS Labs Inc filed Critical SRS Labs Inc
Application granted granted Critical
Publication of DE69638306D1 publication Critical patent/DE69638306D1/de
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

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)
DE69638306T 1995-12-26 1996-12-23 5-2-5 Matrixsystem Expired - Lifetime DE69638306D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US922995P 1995-12-26 1995-12-26

Publications (1)

Publication Number Publication Date
DE69638306D1 true DE69638306D1 (de) 2011-01-27

Family

ID=21736381

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69638306T Expired - Lifetime DE69638306D1 (de) 1995-12-26 1996-12-23 5-2-5 Matrixsystem

Country Status (4)

Country Link
US (1) US5771295A (enExample)
EP (1) EP0782372B1 (enExample)
JP (1) JP4354017B2 (enExample)
DE (1) DE69638306D1 (enExample)

Families Citing this family (50)

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US6198827B1 (en) * 1995-12-26 2001-03-06 Rocktron Corporation 5-2-5 Matrix system
US6697491B1 (en) * 1996-07-19 2004-02-24 Harman International Industries, Incorporated 5-2-5 matrix encoder and decoder system
US5912976A (en) * 1996-11-07 1999-06-15 Srs Labs, Inc. Multi-channel audio enhancement system for use in recording and playback and methods for providing same
DE69841722D1 (de) * 1998-03-26 2010-07-29 Thomson Licensing Verfahren und Vorrichtung zur Darbietung von digitalen Raumklangdaten
JP4151110B2 (ja) * 1998-05-14 2008-09-17 ソニー株式会社 オーディオ信号処理装置およびオーディオ信号再生装置
US6285767B1 (en) 1998-09-04 2001-09-04 Srs Labs, Inc. Low-frequency audio enhancement system
US6590983B1 (en) * 1998-10-13 2003-07-08 Srs Labs, Inc. Apparatus and method for synthesizing pseudo-stereophonic outputs from a monophonic input
US6993480B1 (en) 1998-11-03 2006-01-31 Srs Labs, Inc. Voice intelligibility enhancement system
US6694027B1 (en) 1999-03-09 2004-02-17 Smart Devices, Inc. Discrete multi-channel/5-2-5 matrix system
US7031474B1 (en) * 1999-10-04 2006-04-18 Srs Labs, Inc. Acoustic correction apparatus
US7277767B2 (en) * 1999-12-10 2007-10-02 Srs Labs, Inc. System and method for enhanced streaming audio
US7035413B1 (en) * 2000-04-06 2006-04-25 James K. Waller, Jr. Dynamic spectral matrix surround system
US7583805B2 (en) * 2004-02-12 2009-09-01 Agere Systems Inc. Late reverberation-based synthesis of auditory scenes
US7292901B2 (en) * 2002-06-24 2007-11-06 Agere Systems Inc. Hybrid multi-channel/cue coding/decoding of audio signals
US20030035553A1 (en) * 2001-08-10 2003-02-20 Frank Baumgarte Backwards-compatible perceptual coding of spatial cues
US7644003B2 (en) * 2001-05-04 2010-01-05 Agere Systems Inc. Cue-based audio coding/decoding
US7116787B2 (en) * 2001-05-04 2006-10-03 Agere Systems Inc. Perceptual synthesis of auditory scenes
US7447321B2 (en) * 2001-05-07 2008-11-04 Harman International Industries, Incorporated Sound processing system for configuration of audio signals in a vehicle
US7451006B2 (en) * 2001-05-07 2008-11-11 Harman International Industries, Incorporated Sound processing system using distortion limiting techniques
US6804565B2 (en) * 2001-05-07 2004-10-12 Harman International Industries, Incorporated Data-driven software architecture for digital sound processing and equalization
US6849794B1 (en) 2001-05-14 2005-02-01 Ronnie C. Lau Multiple channel system
AU2003265935A1 (en) * 2002-05-03 2003-11-17 Harman International Industries, Incorporated Sound detection and localization system
US7522733B2 (en) * 2003-12-12 2009-04-21 Srs Labs, Inc. Systems and methods of spatial image enhancement of a sound source
CA2456373A1 (fr) * 2004-02-10 2005-08-10 Simon Roy Eliminateur de signaux communs d'une source stereo
US7805313B2 (en) * 2004-03-04 2010-09-28 Agere Systems Inc. Frequency-based coding of channels in parametric multi-channel coding systems
JP3815482B2 (ja) * 2004-03-09 2006-08-30 セイコーエプソン株式会社 データ転送制御装置及び電子機器
JP4898673B2 (ja) * 2004-07-14 2012-03-21 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 方法、装置、エンコーダ装置、デコーダ装置及びオーディオシステム
US8204261B2 (en) * 2004-10-20 2012-06-19 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Diffuse sound shaping for BCC schemes and the like
US7720230B2 (en) * 2004-10-20 2010-05-18 Agere Systems, Inc. Individual channel shaping for BCC schemes and the like
EP1817766B1 (en) 2004-11-30 2009-10-21 Agere Systems Inc. Synchronizing parametric coding of spatial audio with externally provided downmix
US7787631B2 (en) * 2004-11-30 2010-08-31 Agere Systems Inc. Parametric coding of spatial audio with cues based on transmitted channels
KR101215868B1 (ko) * 2004-11-30 2012-12-31 에이저 시스템즈 엘엘시 오디오 채널들을 인코딩 및 디코딩하는 방법, 및 오디오 채널들을 인코딩 및 디코딩하는 장치
KR100682904B1 (ko) * 2004-12-01 2007-02-15 삼성전자주식회사 공간 정보를 이용한 다채널 오디오 신호 처리 장치 및 방법
TW200627999A (en) 2005-01-05 2006-08-01 Srs Labs Inc Phase compensation techniques to adjust for speaker deficiencies
US7903824B2 (en) * 2005-01-10 2011-03-08 Agere Systems Inc. Compact side information for parametric coding of spatial audio
US20060198528A1 (en) * 2005-03-03 2006-09-07 Thx, Ltd. Interactive content sound system
PL1938661T3 (pl) 2005-09-13 2014-10-31 Dts Llc System i sposób przetwarzania dźwięku
ES2376889T3 (es) * 2006-03-24 2012-03-20 Dolby International Ab Generación de mezclas descendentes espaciales a partir de representaciones paramétricas de señales multicanal
ATE543343T1 (de) * 2006-04-03 2012-02-15 Srs Labs Inc Tonsignalverarbeitung
WO2008006108A2 (en) * 2006-07-07 2008-01-10 Srs Labs, Inc. Systems and methods for multi-dialog surround audio
US8050434B1 (en) 2006-12-21 2011-11-01 Srs Labs, Inc. Multi-channel audio enhancement system
KR101460824B1 (ko) * 2007-03-09 2014-11-11 디티에스 엘엘씨 오디오 등화 필터 생성 방법, 오디오 신호 처리 방법 및 시스템
JP4655098B2 (ja) * 2008-03-05 2011-03-23 ヤマハ株式会社 音声信号出力装置、音声信号出力方法およびプログラム
US20120155650A1 (en) * 2010-12-15 2012-06-21 Harman International Industries, Incorporated Speaker array for virtual surround rendering
JP5955862B2 (ja) 2011-01-04 2016-07-20 ディーティーエス・エルエルシーＤｔｓ Ｌｌｃ 没入型オーディオ・レンダリング・システム
EP2798737B1 (en) 2011-12-27 2018-10-10 Dts Llc Bass enhancement system
KR102089821B1 (ko) 2013-02-04 2020-03-17 크로노톤 게엠베하 다중 채널 음성 시스템 내에서 다중 채널 음성을 처리하기 위한 방법
US9258664B2 (en) 2013-05-23 2016-02-09 Comhear, Inc. Headphone audio enhancement system
WO2015017584A1 (en) 2013-07-30 2015-02-05 Dts, Inc. Matrix decoder with constant-power pairwise panning
US9552819B2 (en) 2013-11-27 2017-01-24 Dts, Inc. Multiplet-based matrix mixing for high-channel count multichannel audio

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3746792A (en) * 1968-01-11 1973-07-17 P Scheiber Multidirectional sound system
US3959590A (en) * 1969-01-11 1976-05-25 Peter Scheiber Stereophonic sound system
US3632886A (en) * 1969-12-29 1972-01-04 Peter Scheiber Quadrasonic sound system
US4589129A (en) * 1984-02-21 1986-05-13 Kintek, Inc. Signal decoding system
US4704728A (en) * 1984-12-31 1987-11-03 Peter Scheiber Signal re-distribution, decoding and processing in accordance with amplitude, phase, and other characteristics
US4799260A (en) * 1985-03-07 1989-01-17 Dolby Laboratories Licensing Corporation Variable matrix decoder
US4680796A (en) * 1986-04-11 1987-07-14 Kintek, Inc. Sound encoding system
NL8602329A (nl) * 1986-09-15 1988-04-05 Philips Nv Vertragingsschakeling voorzien van alles-doorlatende netwerken.
US5428687A (en) * 1990-06-08 1995-06-27 James W. Fosgate Control voltage generator multiplier and one-shot for integrated surround sound processor
US5172415A (en) * 1990-06-08 1992-12-15 Fosgate James W Surround processor
GB9103207D0 (en) * 1991-02-15 1991-04-03 Gerzon Michael A Stereophonic sound reproduction system
US5319713A (en) * 1992-11-12 1994-06-07 Rocktron Corporation Multi dimensional sound circuit
US5333201A (en) * 1992-11-12 1994-07-26 Rocktron Corporation Multi dimensional sound circuit
US5642423A (en) * 1995-11-22 1997-06-24 Sony Corporation Digital surround sound processor

Also Published As

Publication number Publication date
JP4354017B2 (ja) 2009-10-28
EP0782372B1 (en) 2010-12-15
EP0782372A3 (en) 1999-01-20
EP0782372A2 (en) 1997-07-02
US5771295A (en) 1998-06-23
JPH09289700A (ja) 1997-11-04

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