SG11201603425UA - 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

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Publication number
SG11201603425UA
SG11201603425UA SG11201603425UA SG11201603425UA SG11201603425UA SG 11201603425U A SG11201603425U A SG 11201603425UA SG 11201603425U A SG11201603425U A SG 11201603425UA SG 11201603425U A SG11201603425U A SG 11201603425UA SG 11201603425U A SG11201603425U A SG 11201603425UA
Authority
SG
Singapore
Prior art keywords
providing
time domain
excitation signal
error concealment
domain excitation
Prior art date
Application number
SG11201603425UA
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 SG11201603425UA publication Critical patent/SG11201603425UA/en

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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
    • G10L19/08—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 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
    • G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm
    • 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
    • G10L19/012—Comfort noise or silence coding
    • 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
    • G10L19/02—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 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
    • G10L19/02—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 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
    • G10L19/02—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 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
    • G10L19/26—Pre-filtering or post-filtering
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • 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
    • G10L19/08—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 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
    • G10L19/08—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
SG11201603425UA 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 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP13191133 2013-10-31
EP14178825 2014-07-28
PCT/EP2014/073036 WO2015063045A1 (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

Publications (1)

Publication Number Publication Date
SG11201603425UA true SG11201603425UA (en) 2016-05-30

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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
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
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
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

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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

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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
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

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US (7) US10339946B2 (en)
EP (6) EP3336841B1 (en)
JP (1) JP6306177B2 (en)
KR (6) KR101941978B1 (en)
CN (1) CN105793924B (en)
AU (4) AU2014343905B2 (en)
BR (6) BR122022008596B1 (en)
CA (6) CA2928974C (en)
ES (6) ES2760573T3 (en)
HK (5) HK1257257A1 (en)
MX (1) MX356036B (en)
MY (1) MY175460A (en)
PL (6) PL3336839T3 (en)
PT (5) PT3063759T (en)
RU (1) RU2667029C2 (en)
SG (6) SG10201709061WA (en)
TW (1) TWI571864B (en)
WO (1) WO2015063045A1 (en)

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KR102547480B1 (en) 2014-12-09 2023-06-26 돌비 인터네셔널 에이비 Mdct-domain error concealment

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