ATE283621T1 - Tonkanalsmischung - Google Patents

Tonkanalsmischung

Info

Publication number
ATE283621T1
ATE283621T1 AT98908585T AT98908585T ATE283621T1 AT E283621 T1 ATE283621 T1 AT E283621T1 AT 98908585 T AT98908585 T AT 98908585T AT 98908585 T AT98908585 T AT 98908585T AT E283621 T1 ATE283621 T1 AT E283621T1
Authority
AT
Austria
Prior art keywords
downmixing
input
computations
channels
routines
Prior art date
Application number
AT98908585T
Other languages
English (en)
Inventor
Shuichi Maeda
Original Assignee
Sony Electronics 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 Sony Electronics Inc filed Critical Sony Electronics Inc
Application granted granted Critical
Publication of ATE283621T1 publication Critical patent/ATE283621T1/de

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)
  • Distillation Of Fermentation Liquor, Processing Of Alcohols, Vinegar And Beer (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Amplifiers (AREA)
AT98908585T 1997-03-21 1998-02-20 Tonkanalsmischung ATE283621T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/828,263 US6005948A (en) 1997-03-21 1997-03-21 Audio channel mixing
PCT/US1998/003110 WO1998043466A1 (en) 1997-03-21 1998-02-20 Audiochannel mixing

Publications (1)

Publication Number Publication Date
ATE283621T1 true ATE283621T1 (de) 2004-12-15

Family

ID=25251313

Family Applications (1)

Application Number Title Priority Date Filing Date
AT98908585T ATE283621T1 (de) 1997-03-21 1998-02-20 Tonkanalsmischung

Country Status (9)

Country Link
US (1) US6005948A (de)
EP (1) EP0968625B1 (de)
JP (1) JP2001518267A (de)
KR (1) KR20000076214A (de)
CN (1) CN1257639A (de)
AT (1) ATE283621T1 (de)
AU (1) AU6658598A (de)
DE (1) DE69827775T2 (de)
WO (1) WO1998043466A1 (de)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4538860B2 (ja) * 1999-04-13 2010-09-08 ソニー株式会社 音声帯域信号記録再生装置、音声帯域信号記録再生方法、音声帯域信号記録装置及び音声帯域信号記録方法
US6442278B1 (en) * 1999-06-15 2002-08-27 Hearing Enhancement Company, Llc Voice-to-remaining audio (VRA) interactive center channel downmix
US20040096065A1 (en) * 2000-05-26 2004-05-20 Vaudrey Michael A. Voice-to-remaining audio (VRA) interactive center channel downmix
US7454257B2 (en) * 2001-02-08 2008-11-18 Warner Music Group Apparatus and method for down converting multichannel programs to dual channel programs using a smart coefficient generator
JP4062905B2 (ja) * 2001-10-24 2008-03-19 ヤマハ株式会社 ディジタル・ミキサ
AU2003264750A1 (en) * 2002-05-03 2003-11-17 Harman International Industries, Incorporated Multi-channel downmixing device
WO2004059643A1 (en) * 2002-12-28 2004-07-15 Samsung Electronics Co., Ltd. Method and apparatus for mixing audio stream and information storage medium
JP2005198251A (ja) * 2003-12-29 2005-07-21 Korea Electronics Telecommun 球体を用いた３次元オーディオ信号処理システム及びその方法
JP2005197896A (ja) * 2004-01-05 2005-07-21 Yamaha Corp スピーカアレイ用のオーディオ信号供給装置
JP4251077B2 (ja) * 2004-01-07 2009-04-08 ヤマハ株式会社 スピーカ装置
JP2005323060A (ja) * 2004-05-07 2005-11-17 Yamaha Corp オーディオ信号のミキシング演算方法
JP3915804B2 (ja) * 2004-08-26 2007-05-16 ヤマハ株式会社 オーディオ再生装置
EP1691348A1 (de) * 2005-02-14 2006-08-16 Ecole Polytechnique Federale De Lausanne Parametrische kombinierte Kodierung von Audio-Quellen
WO2006089148A2 (en) * 2005-02-17 2006-08-24 Panasonic Automotive Systems Company Of America Division Of Panasonic Corporation Of North America Method and apparatus for optimizing reproduction of audio source material in an audio system
JP4779381B2 (ja) * 2005-02-25 2011-09-28 ヤマハ株式会社 アレースピーカ装置
JP2007019651A (ja) * 2005-07-05 2007-01-25 Kenwood Corp オーディオシステム及びオーディオシステム制御方法
US20070121953A1 (en) * 2005-11-28 2007-05-31 Mediatek Inc. Audio decoding system and method
CN101506875B (zh) * 2006-07-07 2012-12-19 弗劳恩霍夫应用研究促进协会 用于组合多个参数编码的音频源的设备和方法
KR20080052813A (ko) * 2006-12-08 2008-06-12 한국전자통신연구원 채널별 신호 분포 특성을 반영한 오디오 코딩 장치 및 방법
KR100879539B1 (ko) * 2007-02-27 2009-01-22 삼성전자주식회사 헤드셋의 스테레오 지원 시스템 및 방법
JP5082517B2 (ja) * 2007-03-12 2012-11-28 ヤマハ株式会社 スピーカアレイ装置および信号処理方法
JP5351763B2 (ja) * 2007-10-19 2013-11-27 パナソニック株式会社 オーディオミキシング装置
CN102428512A (zh) * 2009-06-02 2012-04-25 松下电器产业株式会社 下混装置、编码装置以及其方法
US8774417B1 (en) 2009-10-05 2014-07-08 Xfrm Incorporated Surround audio compatibility assessment
TWI443646B (zh) * 2010-02-18 2014-07-01 Dolby Lab Licensing Corp 音訊解碼器及使用有效降混之解碼方法
KR20140117931A (ko) 2013-03-27 2014-10-08 삼성전자주식회사 오디오 디코딩 장치 및 방법
EP2984763B1 (de) * 2013-04-11 2018-02-21 Nuance Communications, Inc. System für automatische spracherkennung und audiounterhaltung
CN108701463B (zh) * 2016-02-03 2020-03-10 杜比国际公司 音频译码中的高效格式转换
WO2020216459A1 (en) * 2019-04-23 2020-10-29 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus, method or computer program for generating an output downmix representation
FR3148316A1 (fr) * 2023-04-27 2024-11-01 Orange Traitement optimisé de réduction de canaux d’un signal audio stéréophonique
EP4695799A1 (de) * 2023-04-13 2026-02-18 Orange Optimierte verarbeitung zur kanalreduktion eines stereophonen audiosignals

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1514162A (en) * 1974-03-25 1978-06-14 Ruggles W Directional enhancement system for quadraphonic decoders
US5594800A (en) * 1991-02-15 1997-01-14 Trifield Productions Limited Sound reproduction system having a matrix converter
SG43996A1 (en) * 1993-06-22 1997-11-14 Thomson Brandt Gmbh Method for obtaining a multi-channel decoder matrix
EP0631458B1 (de) * 1993-06-22 2001-11-07 Deutsche Thomson-Brandt Gmbh Verfahren zur Erhaltung einer Mehrkanaldekodiermatrix
US5463424A (en) * 1993-08-03 1995-10-31 Dolby Laboratories Licensing Corporation Multi-channel transmitter/receiver system providing matrix-decoding compatible signals
JP2755208B2 (ja) * 1995-03-30 1998-05-20 ヤマハ株式会社 音場制御装置
JP2766466B2 (ja) * 1995-08-02 1998-06-18 株式会社東芝 オーディオ方式、その再生方法、並びにその記録媒体及びその記録媒体への記録方法

Also Published As

Publication number Publication date
AU6658598A (en) 1998-10-20
KR20000076214A (ko) 2000-12-26
JP2001518267A (ja) 2001-10-09
EP0968625A1 (de) 2000-01-05
US6005948A (en) 1999-12-21
CN1257639A (zh) 2000-06-21
DE69827775T2 (de) 2005-12-22
DE69827775D1 (de) 2004-12-30
WO1998043466A1 (en) 1998-10-01
EP0968625B1 (de) 2004-11-24

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