PL3336839T3 - Dekoder audio i sposób dostarczania zdekodowanej informacji audio z wykorzystaniem maskowania błędów modyfikującego sygnał pobudzenia w dziedzinie czasu - Google Patents

Dekoder audio i sposób dostarczania zdekodowanej informacji audio z wykorzystaniem maskowania błędów modyfikującego sygnał pobudzenia w dziedzinie czasu

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Publication number
PL3336839T3
PL3336839T3 PL17201219T PL17201219T PL3336839T3 PL 3336839 T3 PL3336839 T3 PL 3336839T3 PL 17201219 T PL17201219 T PL 17201219T PL 17201219 T PL17201219 T PL 17201219T PL 3336839 T3 PL3336839 T3 PL 3336839T3
Authority
PL
Poland
Prior art keywords
modify
time domain
excitation signal
error masking
audio information
Prior art date
Application number
PL17201219T
Other languages
English (en)
Inventor
Jérémie Lecomte
Original Assignee
Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.
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Publication date
Application filed by Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. filed Critical Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.
Publication of PL3336839T3 publication Critical patent/PL3336839T3/pl

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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
    • G10L19/04—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
    • G10L19/005—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
    • G10L19/012—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
    • 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 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

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)
PL17201219T 2013-10-31 2014-10-27 Dekoder audio i sposób dostarczania zdekodowanej informacji audio z wykorzystaniem maskowania błędów modyfikującego sygnał pobudzenia w dziedzinie czasu PL3336839T3 (pl)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
EP13191133 2013-10-31
EP14178825 2014-07-28
EP17201219.7A EP3336839B1 (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
EP14789568.4A EP3063759B1 (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
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
PL3336839T3 true PL3336839T3 (pl) 2020-02-28

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PL17207108T PL3355306T3 (pl) 2013-10-31 2014-10-27 Dekoder audio i sposób dostarczania zdekodowanej informacji audio z wykorzystaniem maskowania błędów modyfikując sygnał pobudzenia w dziedzinie czasu
PL17201221T PL3336840T3 (pl) 2013-10-31 2014-10-27 Dekoder audio i sposób dostarczania zdekodowanej informacji audio z wykorzystaniem maskowania błędów modyfikującego sygnał pobudzenia w dziedzinie czasu
PL14789568T PL3063759T3 (pl) 2013-10-31 2014-10-27 Dekoder audio i sposób dostarczania zdekodowanej informacji audio z wykorzystaniem ukrywania błędów modyfikując sygnał pobudzenia w dziedzinie czasu
PL17207093T PL3355305T3 (pl) 2013-10-31 2014-10-27 Dekoder audio i sposób dostarczania zdekodowanej informacji audio z wykorzystaniem maskowania błędów modyfikującego sygnał pobudzenia w dziedzinie czasu
PL17201219T PL3336839T3 (pl) 2013-10-31 2014-10-27 Dekoder audio i sposób dostarczania zdekodowanej informacji audio z wykorzystaniem maskowania błędów modyfikującego sygnał pobudzenia w dziedzinie czasu
PL17201222T PL3336841T3 (pl) 2013-10-31 2014-10-27 Dekoder audio i sposób dostarczania zdekodowanej informacji audio z wykorzystaniem maskowania błędów modyfikującego sygnał pobudzenia w dziedzinie czasu

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PL17207108T PL3355306T3 (pl) 2013-10-31 2014-10-27 Dekoder audio i sposób dostarczania zdekodowanej informacji audio z wykorzystaniem maskowania błędów modyfikując sygnał pobudzenia w dziedzinie czasu
PL17201221T PL3336840T3 (pl) 2013-10-31 2014-10-27 Dekoder audio i sposób dostarczania zdekodowanej informacji audio z wykorzystaniem maskowania błędów modyfikującego sygnał pobudzenia w dziedzinie czasu
PL14789568T PL3063759T3 (pl) 2013-10-31 2014-10-27 Dekoder audio i sposób dostarczania zdekodowanej informacji audio z wykorzystaniem ukrywania błędów modyfikując sygnał pobudzenia w dziedzinie czasu
PL17207093T PL3355305T3 (pl) 2013-10-31 2014-10-27 Dekoder audio i sposób dostarczania zdekodowanej informacji audio z wykorzystaniem maskowania błędów modyfikującego sygnał pobudzenia w dziedzinie czasu

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US (7) US10339946B2 (pl)
EP (6) EP3355306B1 (pl)
JP (1) JP6306177B2 (pl)
KR (6) KR101854296B1 (pl)
CN (1) CN105793924B (pl)
AU (4) AU2014343905B2 (pl)
BR (6) BR112016009805B1 (pl)
CA (6) CA2984066C (pl)
ES (6) ES2774492T3 (pl)
MX (4) MX356036B (pl)
MY (1) MY175460A (pl)
PL (6) PL3355306T3 (pl)
PT (5) PT3063759T (pl)
RU (1) RU2667029C2 (pl)
SG (6) SG11201603425UA (pl)
TW (1) TWI571864B (pl)
WO (1) WO2015063045A1 (pl)

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