HK1003735A1 - Method of adapting the noise masking level in an analysis-by-synthesis speech coder employing a short-term perceptual weighting filter - Google Patents

Method of adapting the noise masking level in an analysis-by-synthesis speech coder employing a short-term perceptual weighting filter

Info

Publication number
HK1003735A1
HK1003735A1 HK98102733A HK98102733A HK1003735A1 HK 1003735 A1 HK1003735 A1 HK 1003735A1 HK 98102733 A HK98102733 A HK 98102733A HK 98102733 A HK98102733 A HK 98102733A HK 1003735 A1 HK1003735 A1 HK 1003735A1
Authority
HK
Hong Kong
Prior art keywords
adapting
analysis
short
speech coder
weighting filter
Prior art date
Application number
HK98102733A
Other languages
English (en)
Inventor
Stephane Proust
Original Assignee
France Telecom
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 filed Critical France Telecom
Publication of HK1003735A1 publication Critical patent/HK1003735A1/xx

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
    • G10L19/04—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
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • 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)
  • 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)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Filters That Use Time-Delay Elements (AREA)
HK98102733A 1995-05-17 1998-04-01 Method of adapting the noise masking level in an analysis-by-synthesis speech coder employing a short-term perceptual weighting filter HK1003735A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9505851A FR2734389B1 (fr) 1995-05-17 1995-05-17 Procede d'adaptation du niveau de masquage du bruit dans un codeur de parole a analyse par synthese utilisant un filtre de ponderation perceptuelle a court terme

Publications (1)

Publication Number Publication Date
HK1003735A1 true HK1003735A1 (en) 1998-11-06

Family

ID=9479077

Family Applications (1)

Application Number Title Priority Date Filing Date
HK98102733A HK1003735A1 (en) 1995-05-17 1998-04-01 Method of adapting the noise masking level in an analysis-by-synthesis speech coder employing a short-term perceptual weighting filter

Country Status (9)

Country Link
US (1) US5845244A (zh)
EP (1) EP0743634B1 (zh)
JP (1) JP3481390B2 (zh)
KR (1) KR100389692B1 (zh)
CN (1) CN1112671C (zh)
CA (1) CA2176665C (zh)
DE (1) DE69604526T2 (zh)
FR (1) FR2734389B1 (zh)
HK (1) HK1003735A1 (zh)

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Also Published As

Publication number Publication date
EP0743634B1 (en) 1999-10-06
KR960042516A (ko) 1996-12-21
FR2734389A1 (fr) 1996-11-22
DE69604526T2 (de) 2000-07-20
US5845244A (en) 1998-12-01
FR2734389B1 (fr) 1997-07-18
CA2176665C (en) 2005-05-03
CN1112671C (zh) 2003-06-25
CA2176665A1 (en) 1996-11-18
CN1138183A (zh) 1996-12-18
DE69604526D1 (de) 1999-11-11
KR100389692B1 (ko) 2003-11-17
EP0743634A1 (en) 1996-11-20
JP3481390B2 (ja) 2003-12-22
JPH08328591A (ja) 1996-12-13

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Effective date: 20160513