DK1697930T3 - Apparat og fremgangsmåde til behandling af et multikanalsignal - Google Patents

Apparat og fremgangsmåde til behandling af et multikanalsignal

Info

Publication number
DK1697930T3
DK1697930T3 DK05715611T DK05715611T DK1697930T3 DK 1697930 T3 DK1697930 T3 DK 1697930T3 DK 05715611 T DK05715611 T DK 05715611T DK 05715611 T DK05715611 T DK 05715611T DK 1697930 T3 DK1697930 T3 DK 1697930T3
Authority
DK
Denmark
Prior art keywords
channels
prediction
processing
channel signal
channel
Prior art date
Application number
DK05715611T
Other languages
Danish (da)
English (en)
Inventor
Juergen Herre
Michael Schug
Alexander Groeschl
Original Assignee
Fraunhofer Ges Forschung
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 Fraunhofer Ges Forschung filed Critical Fraunhofer Ges Forschung
Application granted granted Critical
Publication of DK1697930T3 publication Critical patent/DK1697930T3/da

Links

Classifications

    • 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
    • G10L19/03—Spectral prediction for preventing pre-echo; Temporary noise shaping [TNS], e.g. in MPEG2 or MPEG4
    • 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
    • G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Mathematical Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Stereophonic System (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Color Image Communication Systems (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Detergent Compositions (AREA)
  • Radio Relay Systems (AREA)
DK05715611T 2004-03-01 2005-02-28 Apparat og fremgangsmåde til behandling af et multikanalsignal DK1697930T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004009954A DE102004009954B4 (de) 2004-03-01 2004-03-01 Vorrichtung und Verfahren zum Verarbeiten eines Multikanalsignals
PCT/EP2005/002110 WO2005083678A1 (fr) 2004-03-01 2005-02-28 Dispositif et procede pour traiter un signal multicanal

Publications (1)

Publication Number Publication Date
DK1697930T3 true DK1697930T3 (da) 2007-10-08

Family

ID=34894904

Family Applications (1)

Application Number Title Priority Date Filing Date
DK05715611T DK1697930T3 (da) 2004-03-01 2005-02-28 Apparat og fremgangsmåde til behandling af et multikanalsignal

Country Status (18)

Country Link
US (1) US7340391B2 (fr)
EP (1) EP1697930B1 (fr)
JP (1) JP4413257B2 (fr)
KR (1) KR100823097B1 (fr)
CN (1) CN1926608B (fr)
AT (1) ATE364882T1 (fr)
AU (1) AU2005217517B2 (fr)
BR (1) BRPI0507207B1 (fr)
CA (1) CA2558161C (fr)
DE (2) DE102004009954B4 (fr)
DK (1) DK1697930T3 (fr)
ES (1) ES2286798T3 (fr)
HK (1) HK1095194A1 (fr)
IL (1) IL177213A (fr)
NO (1) NO339114B1 (fr)
PT (1) PT1697930E (fr)
RU (1) RU2332727C2 (fr)
WO (1) WO2005083678A1 (fr)

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US20100100372A1 (en) * 2007-01-26 2010-04-22 Panasonic Corporation Stereo encoding device, stereo decoding device, and their method
US7991622B2 (en) * 2007-03-20 2011-08-02 Microsoft Corporation Audio compression and decompression using integer-reversible modulated lapped transforms
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JPWO2009122757A1 (ja) * 2008-04-04 2011-07-28 パナソニック株式会社 ステレオ信号変換装置、ステレオ信号逆変換装置およびこれらの方法
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CN104269173B (zh) * 2014-09-30 2018-03-13 武汉大学深圳研究院 切换模式的音频带宽扩展装置与方法
ES2955962T3 (es) * 2015-09-25 2023-12-11 Voiceage Corp Método y sistema que utiliza una diferencia de correlación a largo plazo entre los canales izquierdo y derecho para mezcla descendente en el dominio del tiempo de una señal de sonido estéreo en canales primarios y secundarios
CN107659888A (zh) * 2017-08-21 2018-02-02 广州酷狗计算机科技有限公司 识别伪立体声音频的方法、装置及存储介质
EP3483882A1 (fr) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Contrôle de la bande passante dans des codeurs et/ou des décodeurs
EP3483880A1 (fr) * 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Mise en forme de bruit temporel
WO2019091576A1 (fr) 2017-11-10 2019-05-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Codeurs audio, décodeurs audio, procédés et programmes informatiques adaptant un codage et un décodage de bits les moins significatifs
EP3483879A1 (fr) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Fonction de fenêtrage d'analyse/de synthèse pour une transformation chevauchante modulée
EP3483884A1 (fr) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Filtrage de signal
EP3483878A1 (fr) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Décodeur audio supportant un ensemble de différents outils de dissimulation de pertes
WO2019091573A1 (fr) 2017-11-10 2019-05-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Appareil et procédé de codage et de décodage d'un signal audio utilisant un sous-échantillonnage ou une interpolation de paramètres d'échelle
EP3483886A1 (fr) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Sélection de délai tonal
EP3483883A1 (fr) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Codage et décodage de signaux audio avec postfiltrage séléctif
CN108962268B (zh) * 2018-07-26 2020-11-03 广州酷狗计算机科技有限公司 确定单声道的音频的方法和装置
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CN111654745B (zh) * 2020-06-08 2022-10-14 海信视像科技股份有限公司 多声道的信号处理方法及显示设备
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Also Published As

Publication number Publication date
CN1926608A (zh) 2007-03-07
RU2332727C2 (ru) 2008-08-27
PT1697930E (pt) 2007-09-25
JP4413257B2 (ja) 2010-02-10
KR100823097B1 (ko) 2008-04-18
HK1095194A1 (en) 2007-04-27
CA2558161C (fr) 2010-05-11
ATE364882T1 (de) 2007-07-15
DE102004009954A1 (de) 2005-09-29
BRPI0507207A8 (pt) 2018-06-12
NO20064431L (no) 2006-09-29
EP1697930B1 (fr) 2007-06-13
DE502005000864D1 (de) 2007-07-26
JP2007525718A (ja) 2007-09-06
EP1697930A1 (fr) 2006-09-06
DE102004009954B4 (de) 2005-12-15
CN1926608B (zh) 2010-05-05
RU2006134641A (ru) 2008-04-10
NO339114B1 (no) 2016-11-14
KR20060121982A (ko) 2006-11-29
AU2005217517A1 (en) 2005-09-09
BRPI0507207A (pt) 2007-06-12
ES2286798T3 (es) 2007-12-01
US7340391B2 (en) 2008-03-04
AU2005217517B2 (en) 2008-06-26
CA2558161A1 (fr) 2005-09-09
BRPI0507207B1 (pt) 2018-12-26
WO2005083678A1 (fr) 2005-09-09
IL177213A0 (en) 2006-12-10
US20070033056A1 (en) 2007-02-08
IL177213A (en) 2011-10-31

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