ATE221244T1 - Verfahren und vorrichtung zum verschleiern eines fehlers in einem codierten audiosignal und verfahren und vorrichtung zum decodieren eines codierten audiosignals - Google Patents

Verfahren und vorrichtung zum verschleiern eines fehlers in einem codierten audiosignal und verfahren und vorrichtung zum decodieren eines codierten audiosignals

Info

Publication number
ATE221244T1
ATE221244T1 AT00926896T AT00926896T ATE221244T1 AT E221244 T1 ATE221244 T1 AT E221244T1 AT 00926896 T AT00926896 T AT 00926896T AT 00926896 T AT00926896 T AT 00926896T AT E221244 T1 ATE221244 T1 AT E221244T1
Authority
AT
Austria
Prior art keywords
sub
spectral coefficients
band
audio signal
encoded audio
Prior art date
Application number
AT00926896T
Other languages
English (en)
Inventor
Pierre Lauber
Martin Dietz
Juergen Herre
Reinhold Boehm
Ralph Sperschneider
Daniel Homm
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 ATE221244T1 publication Critical patent/ATE221244T1/de

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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
    • G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
AT00926896T 1999-05-07 2000-04-12 Verfahren und vorrichtung zum verschleiern eines fehlers in einem codierten audiosignal und verfahren und vorrichtung zum decodieren eines codierten audiosignals ATE221244T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19921122A DE19921122C1 (de) 1999-05-07 1999-05-07 Verfahren und Vorrichtung zum Verschleiern eines Fehlers in einem codierten Audiosignal und Verfahren und Vorrichtung zum Decodieren eines codierten Audiosignals
PCT/EP2000/003294 WO2000068934A1 (de) 1999-05-07 2000-04-12 Verfahren und vorrichtung zum verschleiern eines fehlers in einem codierten audiosignal und verfahren und vorrichtung zum decodieren eines codierten audiosignals

Publications (1)

Publication Number Publication Date
ATE221244T1 true ATE221244T1 (de) 2002-08-15

Family

ID=7907325

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00926896T ATE221244T1 (de) 1999-05-07 2000-04-12 Verfahren und vorrichtung zum verschleiern eines fehlers in einem codierten audiosignal und verfahren und vorrichtung zum decodieren eines codierten audiosignals

Country Status (6)

Country Link
US (1) US7003448B1 (de)
EP (1) EP1145227B1 (de)
JP (1) JP3623449B2 (de)
AT (1) ATE221244T1 (de)
DE (2) DE19921122C1 (de)
WO (1) WO2000068934A1 (de)

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Also Published As

Publication number Publication date
US7003448B1 (en) 2006-02-21
JP3623449B2 (ja) 2005-02-23
JP2002544550A (ja) 2002-12-24
WO2000068934A1 (de) 2000-11-16
EP1145227B1 (de) 2002-07-24
EP1145227A1 (de) 2001-10-17
DE50000306D1 (de) 2002-08-29
DE19921122C1 (de) 2001-01-25

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