ATE451796T1 - Aktivmatrix-mehrkanal-tonwiedergabesystem mit maximaler seitlicher trennung - Google Patents

Aktivmatrix-mehrkanal-tonwiedergabesystem mit maximaler seitlicher trennung

Info

Publication number
ATE451796T1
ATE451796T1 AT97933491T AT97933491T ATE451796T1 AT E451796 T1 ATE451796 T1 AT E451796T1 AT 97933491 T AT97933491 T AT 97933491T AT 97933491 T AT97933491 T AT 97933491T AT E451796 T1 ATE451796 T1 AT E451796T1
Authority
AT
Austria
Prior art keywords
channels
signals
input
component
directionally encoded
Prior art date
Application number
AT97933491T
Other languages
English (en)
Inventor
David Griesinger
Original Assignee
Harman Int Ind
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 Harman Int Ind filed Critical Harman Int Ind
Application granted granted Critical
Publication of ATE451796T1 publication Critical patent/ATE451796T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S5/00—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation 
    • H04S5/005—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation  of the pseudo five- or more-channel type, e.g. virtual surround
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/05—Generation or adaptation of centre channel in multi-channel audio systems
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S5/00—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation 
    • H04S5/02—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation  of the pseudo four-channel type, e.g. in which rear channel signals are derived from two-channel stereo signals

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Stereophonic System (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
AT97933491T 1996-07-19 1997-07-21 Aktivmatrix-mehrkanal-tonwiedergabesystem mit maximaler seitlicher trennung ATE451796T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/684,948 US5796844A (en) 1996-07-19 1996-07-19 Multichannel active matrix sound reproduction with maximum lateral separation
PCT/US1997/012378 WO1998004100A1 (en) 1996-07-19 1997-07-21 Multichannel active matrix sound reproduction with maximum lateral separation

Publications (1)

Publication Number Publication Date
ATE451796T1 true ATE451796T1 (de) 2009-12-15

Family

ID=24750184

Family Applications (1)

Application Number Title Priority Date Filing Date
AT97933491T ATE451796T1 (de) 1996-07-19 1997-07-21 Aktivmatrix-mehrkanal-tonwiedergabesystem mit maximaler seitlicher trennung

Country Status (8)

Country Link
US (1) US5796844A (de)
EP (1) EP0923848B1 (de)
JP (2) JP2001514808A (de)
CN (3) CN100420346C (de)
AT (1) ATE451796T1 (de)
AU (1) AU3665997A (de)
DE (1) DE69739690D1 (de)
WO (1) WO1998004100A1 (de)

Families Citing this family (54)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6697491B1 (en) * 1996-07-19 2004-02-24 Harman International Industries, Incorporated 5-2-5 matrix encoder and decoder system
US7003119B1 (en) * 1997-05-19 2006-02-21 Qsound Labs, Inc. Matrix surround decoder/virtualizer
EP1013140B1 (de) * 1997-09-05 2012-12-05 Harman International Industries, Incorporated 5-2-5 matrix dekodierungssystem
CN1691841B (zh) * 1997-09-05 2010-09-29 雷克西康公司 5-2-5矩阵编码器和解码器系统
US6624873B1 (en) * 1998-05-05 2003-09-23 Dolby Laboratories Licensing Corporation Matrix-encoded surround-sound channels in a discrete digital sound format
US6453047B1 (en) * 1998-09-28 2002-09-17 Creative Technology Ltd Matrix encoding system with improved behavior frequency
US6947564B1 (en) 1999-01-11 2005-09-20 Thomson Licensing Stereophonic spatial expansion circuit with tonal compensation and active matrixing
US6539357B1 (en) * 1999-04-29 2003-03-25 Agere Systems Inc. Technique for parametric coding of a signal containing information
US7158844B1 (en) 1999-10-22 2007-01-02 Paul Cancilla Configurable surround sound system
US7035413B1 (en) 2000-04-06 2006-04-25 James K. Waller, Jr. Dynamic spectral matrix surround system
EP2299735B1 (de) * 2000-07-19 2014-04-23 Koninklijke Philips N.V. Mehrkanal-Stereoumwandler zum Ableiten eines Stereo-Surround- und/oder Center-Signals
TW576122B (en) * 2000-08-31 2004-02-11 Dolby Lab Licensing Corp Method for apparatus for audio matrix decoding
US7003467B1 (en) * 2000-10-06 2006-02-21 Digital Theater Systems, Inc. Method of decoding two-channel matrix encoded audio to reconstruct multichannel audio
EP1275271A2 (de) * 2000-12-22 2003-01-15 Koninklijke Philips Electronics N.V. Mehrkanaltonkonverter
US7660424B2 (en) * 2001-02-07 2010-02-09 Dolby Laboratories Licensing Corporation Audio channel spatial translation
US6804565B2 (en) * 2001-05-07 2004-10-12 Harman International Industries, Incorporated Data-driven software architecture for digital sound processing and equalization
US7451006B2 (en) * 2001-05-07 2008-11-11 Harman International Industries, Incorporated Sound processing system using distortion limiting techniques
US7177432B2 (en) * 2001-05-07 2007-02-13 Harman International Industries, Incorporated Sound processing system with degraded signal optimization
US7447321B2 (en) * 2001-05-07 2008-11-04 Harman International Industries, Incorporated Sound processing system for configuration of audio signals in a vehicle
KR100548899B1 (ko) * 2001-05-11 2006-02-02 교세라 가부시키가이샤 휴대용 통신 단말기, 무선 데이터 통신 네트워크 시스템, 무선 통신 장치와 그 방법, 및 통신 방식 전환 방법
AU2003264750A1 (en) * 2002-05-03 2003-11-17 Harman International Industries, Incorporated Multi-channel downmixing device
US7567676B2 (en) * 2002-05-03 2009-07-28 Harman International Industries, Incorporated Sound event detection and localization system using power analysis
US20040086130A1 (en) * 2002-05-03 2004-05-06 Eid Bradley F. Multi-channel sound processing systems
US7443987B2 (en) * 2002-05-03 2008-10-28 Harman International Industries, Incorporated Discrete surround audio system for home and automotive listening
US7542815B1 (en) * 2003-09-04 2009-06-02 Akita Blue, Inc. Extraction of left/center/right information from two-channel stereo sources
WO2005070097A2 (en) * 2004-01-09 2005-08-04 Masonware Partners, Llc Passive surround sound adapter
US7929708B2 (en) * 2004-01-12 2011-04-19 Dts, Inc. Audio spatial environment engine
US8626494B2 (en) * 2004-04-30 2014-01-07 Auro Technologies Nv Data compression format
US8009837B2 (en) * 2004-04-30 2011-08-30 Auro Technologies Nv Multi-channel compatible stereo recording
US7490044B2 (en) 2004-06-08 2009-02-10 Bose Corporation Audio signal processing
KR101205480B1 (ko) * 2004-07-14 2012-11-28 돌비 인터네셔널 에이비 오디오 채널 변환
WO2006011367A1 (ja) * 2004-07-30 2006-02-02 Matsushita Electric Industrial Co., Ltd. オーディオ信号符号化装置および復号化装置
US7853022B2 (en) * 2004-10-28 2010-12-14 Thompson Jeffrey K Audio spatial environment engine
WO2006050112A2 (en) * 2004-10-28 2006-05-11 Neural Audio Corp. Audio spatial environment engine
US20060106620A1 (en) * 2004-10-28 2006-05-18 Thompson Jeffrey K Audio spatial environment down-mixer
MX2007015118A (es) * 2005-06-03 2008-02-14 Dolby Lab Licensing Corp Aparato y metodo para codificacion de senales de audio con instrucciones de decodificacion.
JP4896029B2 (ja) * 2005-09-22 2012-03-14 パイオニア株式会社 信号処理装置、信号処理方法、信号処理プログラムおよびコンピュータに読み取り可能な記録媒体
US8990280B2 (en) * 2005-09-30 2015-03-24 Nvidia Corporation Configurable system for performing repetitive actions
US7760886B2 (en) 2005-12-20 2010-07-20 Fraunhofer-Gesellschaft zur Foerderung der Angewandten Forscheng e.V. Apparatus and method for synthesizing three output channels using two input channels
JP4951985B2 (ja) * 2006-01-30 2012-06-13 ソニー株式会社 音声信号処理装置、音声信号処理システム、プログラム
KR101406531B1 (ko) * 2007-10-24 2014-06-13 삼성전자주식회사 스테레오 오디오 신호로부터 바이노럴 비트를 발생시키는 장치 및 방법
EP2202729B1 (de) * 2007-10-26 2017-03-15 D&M Holdings, Inc. Audiosignalinterpolationsvorrichtung und audiosignalinterpolationsverfahren
US8233629B2 (en) * 2008-09-04 2012-07-31 Dts, Inc. Interaural time delay restoration system and method
KR101600352B1 (ko) 2008-10-30 2016-03-07 삼성전자주식회사 멀티 채널 신호의 부호화/복호화 장치 및 방법
TWI449442B (zh) * 2009-01-14 2014-08-11 Dolby Lab Licensing Corp 用於無回授之頻域主動矩陣解碼的方法與系統
US8687815B2 (en) * 2009-11-06 2014-04-01 Creative Technology Ltd Method and audio system for processing multi-channel audio signals for surround sound production
CN101777876B (zh) * 2010-01-21 2012-03-28 清华大学 对数放大器
JP5760442B2 (ja) * 2011-01-13 2015-08-12 ヤマハ株式会社 定位解析装置および音響処理装置
EP2530956A1 (de) * 2011-06-01 2012-12-05 Tom Van Achte Verfahren zur Erzeugung eines Surround-Audiosignals aus einem Mono-/Stereo-Audiosignal
CN105103225B (zh) 2013-04-05 2019-06-21 杜比国际公司 立体声音频编码器和解码器
US9838788B1 (en) * 2016-12-05 2017-12-05 Tymphany Hk Limited Assembly for preventing phase error
US10278004B2 (en) * 2017-05-01 2019-04-30 Barry Stephen Goldfarb Apparatus and method for a complete audio signal
US9820073B1 (en) 2017-05-10 2017-11-14 Tls Corp. Extracting a common signal from multiple audio signals
CN108198570B (zh) * 2018-02-02 2020-10-23 北京云知声信息技术有限公司 审讯时语音分离的方法及装置

Family Cites Families (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE138266C (de) *
DE138267C (de) *
CH350745A (de) * 1956-12-12 1960-12-15 Ciba Geigy Verfahren zur Herstellung von Anthrachinonküpenfarbstoffen
US3959590A (en) * 1969-01-11 1976-05-25 Peter Scheiber Stereophonic sound system
US3626365A (en) * 1969-12-04 1971-12-07 Elliott H Press Warning-detecting means with directional indication
US3632886A (en) * 1969-12-29 1972-01-04 Peter Scheiber Quadrasonic sound system
US3812295A (en) * 1970-10-19 1974-05-21 Columbia Broadcasting Syst Inc Quadraphonic reproducing system with gain riding logic
US3798373A (en) * 1971-06-23 1974-03-19 Columbia Broadcasting Syst Inc Apparatus for reproducing quadraphonic sound
JPS5213082B1 (de) * 1971-07-19 1977-04-12
US3835255A (en) * 1971-09-30 1974-09-10 Columbia Broadcasting Syst Inc Matrix decoders for quadraphonic sound system
US3772479A (en) * 1971-10-19 1973-11-13 Motorola Inc Gain modified multi-channel audio system
GB1402320A (en) * 1971-10-25 1975-08-06 Sansui Electric Co Decoder for use in 4-2-4 matrix playback system
JPS5235282B2 (de) * 1972-09-09 1977-09-08
US3829615A (en) * 1972-10-04 1974-08-13 Mitsubishi Electric Corp Quaternary stereophonic sound reproduction apparatus
JPS5248001B2 (de) * 1973-08-20 1977-12-07
GB1514162A (en) * 1974-03-25 1978-06-14 Ruggles W Directional enhancement system for quadraphonic decoders
US4135203A (en) * 1974-08-20 1979-01-16 Friedman Alan M Method and apparatus for generating complex visual patterns
GB1522135A (en) * 1974-08-29 1978-08-23 Dolby Laboratories Inc Stereophonic sound system
US4027101A (en) * 1976-04-26 1977-05-31 Hybrid Systems Corporation Simulation of reverberation in audio signals
US4236039A (en) * 1976-07-19 1980-11-25 National Research Development Corporation Signal matrixing for directional reproduction of sound
NL7901120A (nl) * 1979-02-13 1980-08-15 Philips Nv Geluidsinstallatie voor kunstmatige nagalm.
JPS5750200A (en) * 1980-09-09 1982-03-24 Mitsubishi Electric Corp Outdoor loudspeaker system
DD242954A3 (de) * 1983-12-14 1987-02-18 Deutsche Post Rfz Grossraumbeschallungssystem
GB8403509D0 (en) * 1984-02-10 1984-03-14 Barnett P W Acoustic systems
US4704728A (en) * 1984-12-31 1987-11-03 Peter Scheiber Signal re-distribution, decoding and processing in accordance with amplitude, phase, and other characteristics
US4955057A (en) * 1987-03-04 1990-09-04 Dynavector, Inc. Reverb generator
US4862502A (en) * 1988-01-06 1989-08-29 Lexicon, Inc. Sound reproduction
NL8800745A (nl) * 1988-03-24 1989-10-16 Augustinus Johannes Berkhout Werkwijze en inrichting voor het creeren van een variabele akoestiek in een ruimte.
US5029216A (en) * 1989-06-09 1991-07-02 The United States Of America As Represented By The Administrator Of The National Aeronautics & Space Administration Visual aid for the hearing impaired
US5109419A (en) * 1990-05-18 1992-04-28 Lexicon, Inc. Electroacoustic system
US5136650A (en) * 1991-01-09 1992-08-04 Lexicon, Inc. Sound reproduction
US5161197A (en) * 1991-11-04 1992-11-03 Lexicon, Inc. Acoustic analysis

Also Published As

Publication number Publication date
JP4113881B2 (ja) 2008-07-09
EP0923848A1 (de) 1999-06-23
CN100420346C (zh) 2008-09-17
JP2001514808A (ja) 2001-09-11
CN1116785C (zh) 2003-07-30
WO1998004100A1 (en) 1998-01-29
US5796844A (en) 1998-08-18
CN1494356A (zh) 2004-05-05
JP2005223935A (ja) 2005-08-18
CN100428866C (zh) 2008-10-22
EP0923848A4 (de) 2004-08-18
AU3665997A (en) 1998-02-10
CN1228237A (zh) 1999-09-08
CN1571583A (zh) 2005-01-26
DE69739690D1 (de) 2010-01-21
EP0923848B1 (de) 2009-12-09

Similar Documents

Publication Publication Date Title
ATE451796T1 (de) Aktivmatrix-mehrkanal-tonwiedergabesystem mit maximaler seitlicher trennung
EP0519055B1 (de) Dekodierer für variable anzahl von kanaldarstellungen mehrdimensionaler schallfelder
DK1016320T3 (da) Fremgangsmåde og apparat til indkodning og dekodning af multiple audiokanaler ved lave bithastigheder
US7873171B2 (en) Multichannel spectral mapping audio apparatus and method
EP0323904A3 (de) Schallwiedergabe
CA2117829A1 (en) Perceptual Coding of Audio-Signals
TW247390B (en) Apparatus and method for adjusting levels between channels of a sound system
GB9103207D0 (en) Stereophonic sound reproduction system
EP0949845A3 (de) Synthese von Raumklang QSOUND aus Stereosignalen
AU1022895A (en) Signal combining circuit, signal processing circuit including the signal combining circuit, stereophonic audio reproduction system including the signal processing circuit,and an audio-visual reproduction system including the stereophonic audio reproduction system
ES2156034T3 (es) Codificacion de audio a base de cuadros con palabras de control de ganancia.
EP0892582B1 (de) Verfahren und Vorrichtung zur Fehlermaskierung in Mehrkanalaudiosignalen
KR930015946A (ko) 2채널 음장재생장치 및 방법
DE69029022T2 (de) Reduktion von hörbarem Rauschen
ES2152870B1 (es) Procesador de sonido envolvente de seis ejes con control mejorado de matriz y cancelacion.
AU5863500A (en) Two methods and two devices for processing an input audio stereo signal, and an audio stereo signal reproduction system
CA2301547A1 (en) 5-2-5 matrix encoder and decoder system
MY115284A (en) Switched signal processing circuit
FR2357135A1 (fr) Systeme de reproduction sonore multi-voies
EP0725492A2 (de) Wahrnehmungsgebundener Stereoaudiokodierer
WO1995018515A1 (en) Car audio system with high signal output
FI102799B (fi) Paranettu Dolby Prologic -dekooderi
US4018992A (en) Decoder for quadraphonic playback
KR0121950Y1 (ko) 매트릭스 신호처리장치
DE69924201D1 (de) Aperiodisches modulares System zur Übertragungswiederholung mit mehreren digitalen Kanälen

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties