ZA200409643B - Method and device for efficient frame erasure concealment in linear predictive based speech codes - Google Patents

Method and device for efficient frame erasure concealment in linear predictive based speech codes Download PDF

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Publication number
ZA200409643B
ZA200409643B ZA200409643A ZA200409643A ZA200409643B ZA 200409643 B ZA200409643 B ZA 200409643B ZA 200409643 A ZA200409643 A ZA 200409643A ZA 200409643 A ZA200409643 A ZA 200409643A ZA 200409643 B ZA200409643 B ZA 200409643B
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South Africa
Prior art keywords
frame
signal
decoder
voiced
concealment
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ZA200409643A
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English (en)
Inventor
Milan Jelinek
Philippe Gournay
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Voiceage Corp
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Publication of ZA200409643B publication Critical patent/ZA200409643B/en

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    • 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
    • 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
    • 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
    • G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] vocoders

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  • 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)
ZA200409643A 2002-05-31 2004-11-29 Method and device for efficient frame erasure concealment in linear predictive based speech codes ZA200409643B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA002388439A CA2388439A1 (en) 2002-05-31 2002-05-31 A method and device for efficient frame erasure concealment in linear predictive based speech codecs

Publications (1)

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ZA200409643B true ZA200409643B (en) 2006-06-28

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ZA200409643A ZA200409643B (en) 2002-05-31 2004-11-29 Method and device for efficient frame erasure concealment in linear predictive based speech codes

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US (1) US7693710B2 (es)
EP (1) EP1509903B1 (es)
JP (1) JP4658596B2 (es)
KR (1) KR101032119B1 (es)
CN (1) CN100338648C (es)
AU (1) AU2003233724B2 (es)
BR (3) BR0311523A (es)
CA (2) CA2388439A1 (es)
DK (1) DK1509903T3 (es)
ES (1) ES2625895T3 (es)
MX (1) MXPA04011751A (es)
MY (1) MY141649A (es)
NO (1) NO20045578L (es)
NZ (1) NZ536238A (es)
PT (1) PT1509903T (es)
RU (1) RU2325707C2 (es)
WO (1) WO2003102921A1 (es)
ZA (1) ZA200409643B (es)

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