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
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

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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)
  • Multimedia (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (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)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Detergent Compositions (AREA)
  • Color Image Communication Systems (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 (de) 2004-03-01 2005-02-28 Vorrichtung und verfahren zum verarbeiten eines multikanalsignals

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 (17)

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

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EP3483886A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Selecting pitch lag
EP3483880A1 (en) * 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Temporal noise shaping
WO2019091576A1 (en) 2017-11-10 2019-05-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoders, audio decoders, methods and computer programs adapting an encoding and decoding of least significant bits
EP3483883A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio coding and decoding with selective postfiltering
WO2019091573A1 (en) 2017-11-10 2019-05-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for encoding and decoding an audio signal using downsampling or interpolation of scale parameters
EP3483882A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Controlling bandwidth in encoders and/or decoders
EP3483878A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio decoder supporting a set of different loss concealment tools
EP3483884A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Signal filtering
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
CN112151045B (zh) 2019-06-29 2024-06-04 华为技术有限公司 一种立体声编码方法、立体声解码方法和装置
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Also Published As

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

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