EP0825800A2 - Méthode et appareil pour générer des signaux multi-audio d'un signal audio-mono - Google Patents

Méthode et appareil pour générer des signaux multi-audio d'un signal audio-mono Download PDF

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Publication number
EP0825800A2
EP0825800A2 EP97113292A EP97113292A EP0825800A2 EP 0825800 A2 EP0825800 A2 EP 0825800A2 EP 97113292 A EP97113292 A EP 97113292A EP 97113292 A EP97113292 A EP 97113292A EP 0825800 A2 EP0825800 A2 EP 0825800A2
Authority
EP
European Patent Office
Prior art keywords
signals
signal
different
mono
output signals
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.)
Withdrawn
Application number
EP97113292A
Other languages
German (de)
English (en)
Other versions
EP0825800A3 (fr
Inventor
Imre Varga
Jürgen Schmidt
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.)
Deutsche Thomson Brandt GmbH
Original Assignee
Deutsche Thomson Brandt GmbH
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 Deutsche Thomson Brandt GmbH filed Critical Deutsche Thomson Brandt GmbH
Publication of EP0825800A2 publication Critical patent/EP0825800A2/fr
Publication of EP0825800A3 publication Critical patent/EP0825800A3/fr
Withdrawn legal-status Critical Current

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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 
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/07—Synergistic effects of band splitting and sub-band processing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30—Control circuits for electronic adaptation of the sound field
    • H04S7/305—Electronic adaptation of stereophonic audio signals to reverberation of the listening space

Definitions

  • An embodiment of the invention relates to certain filter structures and parameters of the arrangement.

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Stereophonic System (AREA)
EP97113292A 1996-08-14 1997-08-01 Méthode et appareil pour générer des signaux multi-audio d'un signal audio-mono Withdrawn EP0825800A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19632734A DE19632734A1 (de) 1996-08-14 1996-08-14 Verfahren und Vorrichtung zum Generieren eines Mehrton-Signals aus einem Mono-Signal
DE19632734 1996-08-14

Publications (2)

Publication Number Publication Date
EP0825800A2 true EP0825800A2 (fr) 1998-02-25
EP0825800A3 EP0825800A3 (fr) 2006-03-15

Family

ID=7802595

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97113292A Withdrawn EP0825800A3 (fr) 1996-08-14 1997-08-01 Méthode et appareil pour générer des signaux multi-audio d'un signal audio-mono

Country Status (5)

Country Link
US (1) US6005946A (fr)
EP (1) EP0825800A3 (fr)
JP (1) JPH1094098A (fr)
CN (1) CN1129346C (fr)
DE (1) DE19632734A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001049073A2 (fr) 1999-12-24 2001-07-05 Koninklijke Philips Electronics N.V. Dispositif de traitement de signal audio a canaux multiples
WO2009138205A1 (fr) * 2008-05-13 2009-11-19 Clemens Par Dispositif dont le fonctionnement dépend de l'angle ou méthode d'acquisition d'un signal audio pseudo-stéréophonique
WO2011009650A1 (fr) 2009-07-22 2011-01-27 Stormingswiss Gmbh Dispositif et procédé permettant d’optimiser des signaux audio stéréophoniques ou pseudo-stéréophoniques
WO2012016992A2 (fr) 2010-08-03 2012-02-09 Stormingswiss Gmbh Dispositif et procédé d'évaluation et d'optimisation de signaux sur la base d'invariantes algébriques
WO2012032178A1 (fr) 2010-09-10 2012-03-15 Stormingswiss Gmbh Dispositif et procédé permettant l'évaluation temporelle et l'optimisation de signaux stéréophoniques ou pseudo-stéréophoniques

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6829018B2 (en) 2001-09-17 2004-12-07 Koninklijke Philips Electronics N.V. Three-dimensional sound creation assisted by visual information
EP1618763B1 (fr) * 2003-04-17 2007-02-28 Koninklijke Philips Electronics N.V. Synthese d'un signal audio
US20070038439A1 (en) * 2003-04-17 2007-02-15 Koninklijke Philips Electronics N.V. Groenewoudseweg 1 Audio signal generation
SE0301273D0 (sv) * 2003-04-30 2003-04-30 Coding Technologies Sweden Ab Advanced processing based on a complex-exponential-modulated filterbank and adaptive time signalling methods
CN100396162C (zh) * 2004-07-14 2008-06-18 华南理工大学 三扬声器虚拟5.1通路环绕声的信号处理方法
US20070297519A1 (en) * 2004-10-28 2007-12-27 Jeffrey Thompson Audio Spatial Environment Engine
EP1691348A1 (fr) * 2005-02-14 2006-08-16 Ecole Polytechnique Federale De Lausanne Codage paramétrique combiné de sources audio
US8019086B2 (en) * 2006-11-16 2011-09-13 Texas Instruments Incorporated Stereo synthesizer using comb filters and intra-aural differences
US7920708B2 (en) * 2006-11-16 2011-04-05 Texas Instruments Incorporated Low computation mono to stereo conversion using intra-aural differences
JP5366104B2 (ja) * 2008-06-26 2013-12-11 オランジュ マルチチャネル・オーディオ信号の空間合成
JP2015517121A (ja) * 2012-04-05 2015-06-18 ホアウェイ・テクノロジーズ・カンパニー・リミテッド インターチャネル差分推定方法及び空間オーディオ符号化装置
US9338552B2 (en) 2014-05-09 2016-05-10 Trifield Ip, Llc Coinciding low and high frequency localization panning
EP2980789A1 (fr) * 2014-07-30 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Appareil et procédé permettant d'améliorer un signal audio et système d'amélioration sonore

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE973570C (de) * 1948-10-02 1960-03-31 Siemens Ag Einrichtung zur plastischen Wiedergabe elektroakustischer Darbietungen
US4555795A (en) * 1982-07-22 1985-11-26 Tvi Systems, Ltd. Monaural to binaural audio processor
US5235646A (en) * 1990-06-15 1993-08-10 Wilde Martin D Method and apparatus for creating de-correlated audio output signals and audio recordings made thereby
JPH05191896A (ja) * 1992-01-13 1993-07-30 Pioneer Electron Corp 擬似ステレオ装置
JP2979848B2 (ja) * 1992-07-01 1999-11-15 ヤマハ株式会社 電子楽器

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001049073A2 (fr) 1999-12-24 2001-07-05 Koninklijke Philips Electronics N.V. Dispositif de traitement de signal audio a canaux multiples
WO2009138205A1 (fr) * 2008-05-13 2009-11-19 Clemens Par Dispositif dont le fonctionnement dépend de l'angle ou méthode d'acquisition d'un signal audio pseudo-stéréophonique
EP2124486A1 (fr) * 2008-05-13 2009-11-25 Clemens Par Dispositif fonctionnant en dépendance d'un angle ou méthode de génerer un signal audio pseudostéréophonique
US8638947B2 (en) 2008-05-13 2014-01-28 Stormingswiss Gmbh Angle-dependent operating device or method for generating a pseudo-stereophonic audio signal
CN102100089B (zh) * 2008-05-13 2014-10-01 斯托明瑞士有限责任公司 根据角度工作的装置和获得伪立体声音频信号的方法
WO2011009650A1 (fr) 2009-07-22 2011-01-27 Stormingswiss Gmbh Dispositif et procédé permettant d’optimiser des signaux audio stéréophoniques ou pseudo-stéréophoniques
CN102484763A (zh) * 2009-07-22 2012-05-30 斯托明瑞士有限责任公司 用于优化立体声或伪立体声音频信号的设备和方法
US8958564B2 (en) 2009-07-22 2015-02-17 Stormingswiss Gmbh Device and method for improving stereophonic or pseudo-stereophonic audio signals
CN102484763B (zh) * 2009-07-22 2016-01-06 斯托明瑞士有限责任公司 用于优化立体声或伪立体声音频信号的设备和方法
US9357324B2 (en) 2009-07-22 2016-05-31 Stormingswiss Gmbh Device and method for optimizing stereophonic or pseudo-stereophonic audio signals
WO2012016992A2 (fr) 2010-08-03 2012-02-09 Stormingswiss Gmbh Dispositif et procédé d'évaluation et d'optimisation de signaux sur la base d'invariantes algébriques
WO2012032178A1 (fr) 2010-09-10 2012-03-15 Stormingswiss Gmbh Dispositif et procédé permettant l'évaluation temporelle et l'optimisation de signaux stéréophoniques ou pseudo-stéréophoniques

Also Published As

Publication number Publication date
CN1175182A (zh) 1998-03-04
EP0825800A3 (fr) 2006-03-15
CN1129346C (zh) 2003-11-26
JPH1094098A (ja) 1998-04-10
DE19632734A1 (de) 1998-02-19
US6005946A (en) 1999-12-21

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