SG10201709061WA - Audio decoder and method for providing a decoded audio information using an error concealment modifying a time domain excitation signal - Google Patents

Audio decoder and method for providing a decoded audio information using an error concealment modifying a time domain excitation signal

Info

Publication number
SG10201709061WA
SG10201709061WA SG10201709061WA SG10201709061WA SG10201709061WA SG 10201709061W A SG10201709061W A SG 10201709061WA SG 10201709061W A SG10201709061W A SG 10201709061WA SG 10201709061W A SG10201709061W A SG 10201709061WA SG 10201709061W A SG10201709061W A SG 10201709061WA
Authority
SG
Singapore
Prior art keywords
providing
time domain
excitation signal
error concealment
domain excitation
Prior art date
Application number
SG10201709061WA
Other languages
English (en)
Inventor
Jérémie Lecomte
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
Publication of SG10201709061WA publication Critical patent/SG10201709061WA/en

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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
    • 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
    • G10L19/125—Pitch excitation, e.g. pitch synchronous innovation CELP [PSI-CELP]
    • 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
    • G10L19/012—Comfort noise or silence coding
    • 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
    • G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
    • 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
    • G10L19/26—Pre-filtering or post-filtering
    • 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
    • G10L19/0212—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 using orthogonal transformation
    • 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
    • G10L19/08—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
    • 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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/90—Pitch determination of speech signals

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)
  • Detection And Prevention Of Errors In Transmission (AREA)
SG10201709061WA 2013-10-31 2014-10-27 Audio decoder and method for providing a decoded audio information using an error concealment modifying a time domain excitation signal SG10201709061WA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP13191133 2013-10-31
EP14178825 2014-07-28

Publications (1)

Publication Number Publication Date
SG10201709061WA true SG10201709061WA (en) 2017-12-28

Family

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Family Applications (6)

Application Number Title Priority Date Filing Date
SG10201709061WA SG10201709061WA (en) 2013-10-31 2014-10-27 Audio decoder and method for providing a decoded audio information using an error concealment modifying a time domain excitation signal
SG10201609186UA SG10201609186UA (en) 2013-10-31 2014-10-27 Audio Decoder And Method For Providing A Decoded Audio Information Using An Error Concealment Modifying A Time Domain Excitation Signal
SG10201709062UA SG10201709062UA (en) 2013-10-31 2014-10-27 Audio decoder and method for providing a decoded audio information using an error concealment modifying a time domain excitation signal
SG11201603425UA SG11201603425UA (en) 2013-10-31 2014-10-27 Audio decoder and method for providing a decoded audio information using an error concealment modifying a time domain excitation signal
SG10201609146YA SG10201609146YA (en) 2013-10-31 2014-10-27 Audio Decoder And Method For Providing A Decoded Audio Information Using An Error Concealment Modifying A Time Domain Excitation Signal
SG10201609218XA SG10201609218XA (en) 2013-10-31 2014-10-27 Audio Decoder And Method For Providing A Decoded Audio Information Using An Error Concealment Modifying A Time Domain Excitation Signal

Family Applications After (5)

Application Number Title Priority Date Filing Date
SG10201609186UA SG10201609186UA (en) 2013-10-31 2014-10-27 Audio Decoder And Method For Providing A Decoded Audio Information Using An Error Concealment Modifying A Time Domain Excitation Signal
SG10201709062UA SG10201709062UA (en) 2013-10-31 2014-10-27 Audio decoder and method for providing a decoded audio information using an error concealment modifying a time domain excitation signal
SG11201603425UA SG11201603425UA (en) 2013-10-31 2014-10-27 Audio decoder and method for providing a decoded audio information using an error concealment modifying a time domain excitation signal
SG10201609146YA SG10201609146YA (en) 2013-10-31 2014-10-27 Audio Decoder And Method For Providing A Decoded Audio Information Using An Error Concealment Modifying A Time Domain Excitation Signal
SG10201609218XA SG10201609218XA (en) 2013-10-31 2014-10-27 Audio Decoder And Method For Providing A Decoded Audio Information Using An Error Concealment Modifying A Time Domain Excitation Signal

Country Status (18)

Country Link
US (7) US10339946B2 (zh)
EP (6) EP3336839B1 (zh)
JP (1) JP6306177B2 (zh)
KR (6) KR101940742B1 (zh)
CN (1) CN105793924B (zh)
AU (4) AU2014343905B2 (zh)
BR (6) BR122022008597B1 (zh)
CA (6) CA2984017C (zh)
ES (6) ES2755166T3 (zh)
HK (5) HK1257258A1 (zh)
MX (1) MX356036B (zh)
MY (1) MY175460A (zh)
PL (6) PL3336840T3 (zh)
PT (5) PT3336840T (zh)
RU (1) RU2667029C2 (zh)
SG (6) SG10201709061WA (zh)
TW (1) TWI571864B (zh)
WO (1) WO2015063045A1 (zh)

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