DE69608947D1 - Verfahren zur Analyse eines Audiofrequenzsignals durch lineare Prädiktion, und Anwendung auf ein Verfahren zur Kodierung und Dekodierung eines Audiofrequenzsignals - Google Patents

Verfahren zur Analyse eines Audiofrequenzsignals durch lineare Prädiktion, und Anwendung auf ein Verfahren zur Kodierung und Dekodierung eines Audiofrequenzsignals

Info

Publication number
DE69608947D1
DE69608947D1 DE69608947T DE69608947T DE69608947D1 DE 69608947 D1 DE69608947 D1 DE 69608947D1 DE 69608947 T DE69608947 T DE 69608947T DE 69608947 T DE69608947 T DE 69608947T DE 69608947 D1 DE69608947 D1 DE 69608947D1
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DE
Germany
Prior art keywords
frequency signal
audio frequency
decoding
encoding
analyzing
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
DE69608947T
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English (en)
Other versions
DE69608947T2 (de
Inventor
Catherine Quinquis
Guyader Alain Le
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
Application granted granted Critical
Publication of DE69608947D1 publication Critical patent/DE69608947D1/de
Publication of DE69608947T2 publication Critical patent/DE69608947T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • G10L19/04—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 predictive techniques
    • G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (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)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
DE69608947T 1995-12-15 1996-12-12 Verfahren zur Analyse eines Audiofrequenzsignals durch lineare Prädiktion, und Anwendung auf ein Verfahren zur Kodierung und Dekodierung eines Audiofrequenzsignals Expired - Lifetime DE69608947T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9514925A FR2742568B1 (fr) 1995-12-15 1995-12-15 Procede d'analyse par prediction lineaire d'un signal audiofrequence, et procedes de codage et de decodage d'un signal audiofrequence en comportant application

Publications (2)

Publication Number Publication Date
DE69608947D1 true DE69608947D1 (de) 2000-07-27
DE69608947T2 DE69608947T2 (de) 2001-02-01

Family

ID=9485565

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69608947T Expired - Lifetime DE69608947T2 (de) 1995-12-15 1996-12-12 Verfahren zur Analyse eines Audiofrequenzsignals durch lineare Prädiktion, und Anwendung auf ein Verfahren zur Kodierung und Dekodierung eines Audiofrequenzsignals

Country Status (7)

Country Link
US (1) US5787390A (de)
EP (1) EP0782128B1 (de)
JP (1) JP3678519B2 (de)
KR (1) KR100421226B1 (de)
CN (1) CN1159691A (de)
DE (1) DE69608947T2 (de)
FR (1) FR2742568B1 (de)

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Also Published As

Publication number Publication date
KR970050107A (ko) 1997-07-29
JP3678519B2 (ja) 2005-08-03
EP0782128B1 (de) 2000-06-21
US5787390A (en) 1998-07-28
FR2742568A1 (fr) 1997-06-20
DE69608947T2 (de) 2001-02-01
EP0782128A1 (de) 1997-07-02
KR100421226B1 (ko) 2004-07-19
CN1159691A (zh) 1997-09-17
JPH09212199A (ja) 1997-08-15
FR2742568B1 (fr) 1998-02-13

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Owner name: FRANCE TELECOM, S.A., PARIS, FR