CA2083335A1 - Methode de quantification de l'energie d'un signal vocal pour vocodeur a debit binaire tres faible - Google Patents

Methode de quantification de l'energie d'un signal vocal pour vocodeur a debit binaire tres faible

Info

Publication number
CA2083335A1
CA2083335A1 CA 2083335 CA2083335A CA2083335A1 CA 2083335 A1 CA2083335 A1 CA 2083335A1 CA 2083335 CA2083335 CA 2083335 CA 2083335 A CA2083335 A CA 2083335A CA 2083335 A1 CA2083335 A1 CA 2083335A1
Authority
CA
Canada
Prior art keywords
energy
value
frame
determined number
energies
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.)
Abandoned
Application number
CA 2083335
Other languages
English (en)
Inventor
Pierre-Andre Laurent
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.)
Thales SA
Original Assignee
Pierre-Andre Laurent
Thomson-Csf
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 Pierre-Andre Laurent, Thomson-Csf filed Critical Pierre-Andre Laurent
Publication of CA2083335A1 publication Critical patent/CA2083335A1/fr
Abandoned legal-status Critical Current

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
    • G10L19/032—Quantisation or dequantisation of spectral components
    • G10L19/038—Vector quantisation, e.g. TwinVQ audio
    • 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
    • G10L19/04—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)
CA 2083335 1991-11-22 1992-11-19 Methode de quantification de l'energie d'un signal vocal pour vocodeur a debit binaire tres faible Abandoned CA2083335A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9114402 1991-11-22
FR9114402A FR2684225A1 (fr) 1991-11-22 1991-11-22 Procede de quantification de l'energie du signal de parole dans un vocodeur a tres faible debit.

Publications (1)

Publication Number Publication Date
CA2083335A1 true CA2083335A1 (fr) 1993-05-23

Family

ID=9419210

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2083335 Abandoned CA2083335A1 (fr) 1991-11-22 1992-11-19 Methode de quantification de l'energie d'un signal vocal pour vocodeur a debit binaire tres faible

Country Status (3)

Country Link
EP (1) EP0543700A3 (fr)
CA (1) CA2083335A1 (fr)
FR (1) FR2684225A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110109646A (zh) * 2019-03-28 2019-08-09 北京迈格威科技有限公司 数据处理方法、装置和乘加器及存储介质

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2331207A2 (fr) * 1975-11-05 1977-06-03 Ibm France Procede de quantification par blocs d'echantillons d'un signal electrique, et dispositif de mise en oeuvre dudit procede
US4870685A (en) * 1986-10-26 1989-09-26 Ricoh Company, Ltd. Voice signal coding method
FR2661541A1 (fr) * 1990-04-27 1991-10-31 Thomson Csf Procede et dispositif de codage bas debit de la parole.
DE4103277A1 (de) * 1991-02-04 1992-08-06 Hilberg Wolfgang Speichergesteuerte codierung zeitabhaengiger funktionen mit symbolbedeutung

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110109646A (zh) * 2019-03-28 2019-08-09 北京迈格威科技有限公司 数据处理方法、装置和乘加器及存储介质
CN110109646B (zh) * 2019-03-28 2021-08-27 北京迈格威科技有限公司 数据处理方法、装置和乘加器及存储介质

Also Published As

Publication number Publication date
EP0543700A3 (en) 1993-09-29
FR2684225A1 (fr) 1993-05-28
EP0543700A2 (fr) 1993-05-26

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