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 TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
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
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
FR9915574 1999-12-08

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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US7460684B2 (en) 2003-06-13 2008-12-02 Nielsen Media Research, Inc. Method and apparatus for embedding watermarks
US7912226B1 (en) * 2003-09-12 2011-03-22 The Directv Group, Inc. Automatic measurement of audio presence and level by direct processing of an MPEG data stream
FR2867648A1 (fr) * 2003-12-10 2005-09-16 France Telecom Transcodage entre indices de dictionnaires multi-impulsionnels utilises en codage en compression de signaux numeriques
FR2867649A1 (fr) * 2003-12-10 2005-09-16 France Telecom Procede de codage multiple optimise
US7480267B2 (en) * 2004-02-06 2009-01-20 M-Stack Limited Apparatus and method for operating a communications device in a mobile communications network
EP1914722B1 (de) 2004-03-01 2009-04-29 Dolby Laboratories Licensing Corporation Mehrkanalige Audiodekodierung
NZ552644A (en) * 2004-07-02 2008-09-26 Nielsen Media Res Inc Methods and apparatus for mixing compressed digital bit streams
US7508947B2 (en) * 2004-08-03 2009-03-24 Dolby Laboratories Licensing Corporation Method for combining audio signals using auditory scene analysis
AU2005299410B2 (en) 2004-10-26 2011-04-07 Dolby Laboratories Licensing Corporation Calculating and adjusting the perceived loudness and/or the perceived spectral balance of an audio signal
US8199933B2 (en) 2004-10-26 2012-06-12 Dolby Laboratories Licensing Corporation Calculating and adjusting the perceived loudness and/or the perceived spectral balance of an audio signal
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
US20060235883A1 (en) * 2005-04-18 2006-10-19 Krebs Mark S Multimedia system for mobile client platforms
US7927617B2 (en) * 2005-04-18 2011-04-19 Basf Aktiengesellschaft Preparation comprising at least one conazole fungicide
MX2007015118A (es) * 2005-06-03 2008-02-14 Dolby Lab Licensing Corp Aparato y metodo para codificacion de senales de audio con instrucciones de decodificacion.
TWI396188B (zh) * 2005-08-02 2013-05-11 Dolby Lab Licensing Corp 依聆聽事件之函數控制空間音訊編碼參數的技術
WO2007120452A1 (en) * 2006-04-04 2007-10-25 Dolby Laboratories Licensing Corporation Audio signal loudness measurement and modification in the mdct domain
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
ES2359799T3 (es) 2006-04-27 2011-05-27 Dolby Laboratories Licensing Corporation Control de ganancia de audio usando detección de eventos auditivos basada en la sonoridad específica.
WO2008045846A1 (en) * 2006-10-10 2008-04-17 Qualcomm Incorporated Method and apparatus for encoding and decoding audio signals
WO2008045950A2 (en) 2006-10-11 2008-04-17 Nielsen Media Research, Inc. Methods and apparatus for embedding codes in compressed audio data streams
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
CA2665153C (en) 2006-10-20 2015-05-19 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
KR101016224B1 (ko) 2006-12-12 2011-02-25 프라운호퍼-게젤샤프트 추르 푀르데룽 데어 안제반텐 포르슝 에 파우 인코더, 디코더 및 시간 영역 데이터 스트림을 나타내는 데이터 세그먼트를 인코딩하고 디코딩하는 방법
FR2910752B1 (fr) * 2006-12-22 2009-03-20 Commissariat Energie Atomique Procede de codage spatio-temporel pour systeme de communication multi-antenne de type uwb impulsionnel
ATE535906T1 (de) * 2007-07-13 2011-12-15 Dolby Lab Licensing Corp Tonverarbeitung mittels auditorischer szenenanalyse und spektraler asymmetrie
WO2009086174A1 (en) * 2007-12-21 2009-07-09 Srs Labs, Inc. System for adjusting perceived loudness of audio signals
US8538042B2 (en) 2009-08-11 2013-09-17 Dts Llc System for increasing perceived loudness of speakers
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
US9729120B1 (en) 2011-07-13 2017-08-08 The Directv Group, Inc. System and method to monitor audio loudness and provide audio automatic gain control
US9312829B2 (en) 2012-04-12 2016-04-12 Dts Llc System for adjusting loudness of audio signals in real time
WO2014049192A1 (en) * 2012-09-26 2014-04-03 Nokia Corporation A method, an apparatus and a computer program for creating an audio composition signal
CN109328382B (zh) * 2016-06-22 2023-06-16 杜比国际公司 用于将数字音频信号从第一频域变换到第二频域的音频解码器及方法
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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US5570363A (en) * 1994-09-30 1996-10-29 Intel Corporation Transform based scalable audio compression algorithms and low cost audio multi-point conferencing systems
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TW376611B (en) * 1998-05-26 1999-12-11 Koninkl Philips Electronics Nv Transmission system with improved speech encoder

Also Published As

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

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