CN1129346C - 由单声道信号产生多声道信号的方法和装置 - Google Patents

由单声道信号产生多声道信号的方法和装置 Download PDF

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Publication number
CN1129346C
CN1129346C CN97117358.3A CN97117358A CN1129346C CN 1129346 C CN1129346 C CN 1129346C CN 97117358 A CN97117358 A CN 97117358A CN 1129346 C CN1129346 C CN 1129346C
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CN
China
Prior art keywords
signal
signals
monophonic
frequency
channel
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Expired - Fee Related
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CN97117358.3A
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English (en)
Chinese (zh)
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CN1175182A (zh
Inventor
于尔根·施米特
伊姆里·瓦尔加
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Deutsche Thomson Brandt GmbH
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Deutsche Thomson Brandt GmbH
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Publication of CN1175182A publication Critical patent/CN1175182A/zh
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Publication of CN1129346C publication Critical patent/CN1129346C/zh
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    • 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

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Stereophonic System (AREA)
CN97117358.3A 1996-08-14 1997-08-13 由单声道信号产生多声道信号的方法和装置 Expired - Fee Related CN1129346C (zh)

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
DE19632734.2 1996-08-14

Publications (2)

Publication Number Publication Date
CN1175182A CN1175182A (zh) 1998-03-04
CN1129346C true CN1129346C (zh) 2003-11-26

Family

ID=7802595

Family Applications (1)

Application Number Title Priority Date Filing Date
CN97117358.3A Expired - Fee Related CN1129346C (zh) 1996-08-14 1997-08-13 由单声道信号产生多声道信号的方法和装置

Country Status (5)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106796792A (zh) * 2014-07-30 2017-05-31 弗劳恩霍夫应用研究促进协会 用于增强音频信号的装置和方法、声音增强系统

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1208725B1 (en) 1999-12-24 2009-06-03 Koninklijke Philips Electronics N.V. Multichannel audio signal processing device
US6829018B2 (en) 2001-09-17 2004-12-07 Koninklijke Philips Electronics N.V. Three-dimensional sound creation assisted by visual information
KR20050121733A (ko) * 2003-04-17 2005-12-27 코닌클리케 필립스 일렉트로닉스 엔.브이. 오디오 신호 발생
KR101169596B1 (ko) * 2003-04-17 2012-07-30 코닌클리케 필립스 일렉트로닉스 엔.브이. 오디오 신호 합성
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
WO2006050112A2 (en) * 2004-10-28 2006-05-11 Neural Audio Corp. Audio spatial environment engine
EP1691348A1 (en) * 2005-02-14 2006-08-16 Ecole Polytechnique Federale De Lausanne Parametric joint-coding of audio sources
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
EP2124486A1 (de) 2008-05-13 2009-11-25 Clemens Par Winkelabhängig operierende Vorrichtung oder Methodik zur Gewinnung eines pseudostereophonen Audiosignals
WO2010004155A1 (fr) * 2008-06-26 2010-01-14 France Telecom Synthese spatiale de signaux audio multicanaux
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
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.
EP2702587B1 (en) * 2012-04-05 2015-04-01 Huawei Technologies Co., Ltd. Method for inter-channel difference estimation and spatial audio coding device
US9338552B2 (en) 2014-05-09 2016-05-10 Trifield Ip, Llc Coinciding low and high frequency localization panning

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 (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106796792A (zh) * 2014-07-30 2017-05-31 弗劳恩霍夫应用研究促进协会 用于增强音频信号的装置和方法、声音增强系统

Also Published As

Publication number Publication date
JPH1094098A (ja) 1998-04-10
DE19632734A1 (de) 1998-02-19
US6005946A (en) 1999-12-21
CN1175182A (zh) 1998-03-04
EP0825800A3 (de) 2006-03-15
EP0825800A2 (de) 1998-02-25

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