EP0825800A3 - 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
EP0825800A3
EP0825800A3 EP97113292A EP97113292A EP0825800A3 EP 0825800 A3 EP0825800 A3 EP 0825800A3 EP 97113292 A EP97113292 A EP 97113292A EP 97113292 A EP97113292 A EP 97113292A EP 0825800 A3 EP0825800 A3 EP 0825800A3
Authority
EP
European Patent Office
Prior art keywords
signals
mono
audio signals
generating multi
audio signal
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Withdrawn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
EP0825800A2 (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Withdrawn legal-status Critical Current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
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
DE19632734 1996-08-14
DE19632734A DE19632734A1 (de) 1996-08-14 1996-08-14 Verfahren und Vorrichtung zum Generieren eines Mehrton-Signals aus einem Mono-Signal

Publications (2)

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

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1264382C (zh) 1999-12-24 2006-07-12 皇家菲利浦电子有限公司 多通道音频信号处理装置和方法
US6829018B2 (en) 2001-09-17 2004-12-07 Koninklijke Philips Electronics N.V. Three-dimensional sound creation assisted by visual information
DE602004005846T2 (de) * 2003-04-17 2007-12-20 Koninklijke Philips Electronics N.V. Audiosignalgenerierung
ES2281795T3 (es) * 2003-04-17 2007-10-01 Koninklijke Philips Electronics N.V. Sintesis de señal de audio.
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
CN102833665B (zh) * 2004-10-28 2015-03-04 Dts（英属维尔京群岛）有限公司 音频空间环境引擎
EP1691348A1 (fr) * 2005-02-14 2006-08-16 Ecole Polytechnique Federale De Lausanne Codage paramétrique combiné de sources audio
US7920708B2 (en) * 2006-11-16 2011-04-05 Texas Instruments Incorporated Low computation mono to stereo conversion using intra-aural differences
US8019086B2 (en) * 2006-11-16 2011-09-13 Texas Instruments Incorporated Stereo synthesizer using comb filters and intra-aural differences
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
EP2304721B1 (fr) * 2008-06-26 2012-05-09 France Telecom Synthese spatiale de signaux audio multicanaux
CN102577440B (zh) * 2009-07-22 2015-10-21 斯托明瑞士有限责任公司 改进立体声或伪立体声音频信号的装置和方法
CH703501A2 (de) 2010-08-03 2012-02-15 Stormingswiss Gmbh Vorrichtung und Verfahren zur Auswertung und Optimierung von Signalen auf der Basis algebraischer Invarianten.
CH703771A2 (de) 2010-09-10 2012-03-15 Stormingswiss Gmbh Vorrichtung und Verfahren zur zeitlichen Auswertung und Optimierung von stereophonen oder pseudostereophonen Signalen.
CN103534753B (zh) * 2012-04-05 2015-05-27 华为技术有限公司 用于信道间差估计的方法和空间音频编码装置
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

Citations (2)

* 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
US5301236A (en) * 1992-01-13 1994-04-05 Pioneer Electronic Corporation System for producing stereo-simulated signals for simulated-stereophonic sound

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JP2979848B2 (ja) * 1992-07-01 1999-11-15 ヤマハ株式会社 電子楽器

Patent Citations (2)

* 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
US5301236A (en) * 1992-01-13 1994-04-05 Pioneer Electronic Corporation System for producing stereo-simulated signals for simulated-stereophonic sound

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
SCHROEDER M R: "AN ARTIFICIAL STEREOPHONIC EFFECT OBTAINED FROM A SINGLE AUDIO SIGNAL", JOURNAL OF THE AUDIO ENGINEERING SOCIETY, AUDIO ENGINEERING SOCIETY, NEW YORK, NY, US, vol. 6, no. 2, 1 April 1958 (1958-04-01), pages 74 - 79, XP000604521, ISSN: 1549-4950 *

Also Published As

Publication number Publication date
CN1129346C (zh) 2003-11-26
DE19632734A1 (de) 1998-02-19
US6005946A (en) 1999-12-21
EP0825800A2 (fr) 1998-02-25
CN1175182A (zh) 1998-03-04
JPH1094098A (ja) 1998-04-10

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