DE60012860D1 - Verfahren zur Verarbeitung mehrerer digitaler Audiodatenströme - Google Patents

Verfahren zur Verarbeitung mehrerer digitaler Audiodatenströme

Info

Publication number
DE60012860D1
DE60012860D1 DE60012860T DE60012860T DE60012860D1 DE 60012860 D1 DE60012860 D1 DE 60012860D1 DE 60012860 T DE60012860 T DE 60012860T DE 60012860 T DE60012860 T DE 60012860T DE 60012860 D1 DE60012860 D1 DE 60012860D1
Authority
DE
Germany
Prior art keywords
frames
coded
quantizers
frequency domain
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.)
Expired - Lifetime
Application number
DE60012860T
Other languages
English (en)
Other versions
DE60012860T2 (de
Inventor
Toumi Abdellatif Benjelloun
Yannick Mahieux
Claude Lamblin
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.)
Orange SA
Original Assignee
France Telecom SA
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 France Telecom SA filed Critical France Telecom SA
Publication of DE60012860D1 publication Critical patent/DE60012860D1/de
Application granted granted Critical
Publication of DE60012860T2 publication Critical patent/DE60012860T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/56—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities
    • H04M3/561—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities by multiplexing
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/56—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities
    • H04M3/568—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities audio processing specific to telephonic conferencing, e.g. spatial distribution, mixing of participants
DE60012860T 1999-12-08 2000-11-22 Verfahren zur Verarbeitung mehrerer digitaler Audiodatenströme Expired - Lifetime DE60012860T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9915574 1999-12-08
FR9915574A FR2802329B1 (fr) 1999-12-08 1999-12-08 Procede de traitement d'au moins un flux binaire audio code organise sous la forme de trames

Publications (2)

Publication Number Publication Date
DE60012860D1 true DE60012860D1 (de) 2004-09-16
DE60012860T2 DE60012860T2 (de) 2005-08-18

Family

ID=9553092

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60012860T Expired - Lifetime DE60012860T2 (de) 1999-12-08 2000-11-22 Verfahren zur Verarbeitung mehrerer digitaler Audiodatenströme

Country Status (6)

Country Link
US (1) US6807526B2 (de)
EP (1) EP1107230B1 (de)
JP (1) JP2001202097A (de)
CA (1) CA2327627C (de)
DE (1) DE60012860T2 (de)
FR (1) FR2802329B1 (de)

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TWI397903B (zh) * 2005-04-13 2013-06-01 Dolby Lab Licensing Corp 編碼音訊之節約音量測量技術
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TWI517562B (zh) * 2006-04-04 2016-01-11 杜比實驗室特許公司 用於將多聲道音訊信號之全面感知響度縮放一期望量的方法、裝置及電腦程式
CN101410892B (zh) * 2006-04-04 2012-08-08 杜比实验室特许公司 改进的离散余弦变换域中的音频信号响度测量及修改
MY141426A (en) 2006-04-27 2010-04-30 Dolby Lab Licensing Corp Audio gain control using specific-loudness-based auditory event detection
JP5096474B2 (ja) * 2006-10-10 2012-12-12 クゥアルコム・インコーポレイテッド オーディオ信号を符号化及び復号化する方法及び装置
EP2958106B1 (de) 2006-10-11 2018-07-18 The Nielsen Company (US), LLC Verfahren und vorrichtung zur einbettung von codes in komprimierte audiodatenströme
US8036903B2 (en) 2006-10-18 2011-10-11 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Analysis filterbank, synthesis filterbank, encoder, de-coder, mixer and conferencing system
US8849433B2 (en) 2006-10-20 2014-09-30 Dolby Laboratories Licensing Corporation Audio dynamics processing using a reset
US8521314B2 (en) * 2006-11-01 2013-08-27 Dolby Laboratories Licensing Corporation Hierarchical control path with constraints for audio dynamics processing
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EP2362387A1 (de) * 2010-02-26 2011-08-31 Fraunhofer-Gesellschaft zur Förderung der Angewandten Forschung e.V. Wasserzeichenerzeuger, Wasserzeichendecodierer, Verfahren zur Bereitstellung eines Wasserzeichensignals in Abhängigkeit binärer Benachrichtigungsdaten, Verfahren zur Bereitstellung binärer Benachrichtigungsdaten in Abhängigkeit eines Wasserzeichensignals und Computerprogramm mit differentieller Codierung
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JP7092048B2 (ja) * 2019-01-17 2022-06-28 日本電信電話株式会社 多地点制御方法、装置及びプログラム

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Also Published As

Publication number Publication date
CA2327627C (en) 2012-02-07
JP2001202097A (ja) 2001-07-27
FR2802329A1 (fr) 2001-06-15
EP1107230A1 (de) 2001-06-13
US6807526B2 (en) 2004-10-19
FR2802329B1 (fr) 2003-03-28
EP1107230B1 (de) 2004-08-11
CA2327627A1 (en) 2001-06-08
DE60012860T2 (de) 2005-08-18
US20010027393A1 (en) 2001-10-04

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