PL3879528T3 - Enkoder audio do enkodowania sygnału wielokanałowego i dekoder audio do dekodowania enkodowanego sygnału audio - Google Patents

Enkoder audio do enkodowania sygnału wielokanałowego i dekoder audio do dekodowania enkodowanego sygnału audio

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Publication number
PL3879528T3
PL3879528T3 PL21171831.7T PL21171831T PL3879528T3 PL 3879528 T3 PL3879528 T3 PL 3879528T3 PL 21171831 T PL21171831 T PL 21171831T PL 3879528 T3 PL3879528 T3 PL 3879528T3
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PL
Poland
Prior art keywords
audio
signal
decoding
encoding
encoder
Prior art date
Application number
PL21171831.7T
Other languages
English (en)
Inventor
Sascha Disch
Guillaume Fuchs
Emmanuel Ravelli
Christian Neukam
Konstantin Schmidt
Conrad Benndorf
Andreas NIEDERMEIER
Benjamin SCHUBERT
Ralf Geiger
Original Assignee
Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.
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Publication of PL3879528T3 publication Critical patent/PL3879528T3/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
    • G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • 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
    • 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
    • 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
    • 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
    • G10L19/13—Residual excited linear prediction [RELP]
    • 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
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • 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
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Mathematical Physics (AREA)
  • Quality & Reliability (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereophonic System (AREA)
  • Analogue/Digital Conversion (AREA)
PL21171831.7T 2015-03-09 2016-03-07 Enkoder audio do enkodowania sygnału wielokanałowego i dekoder audio do dekodowania enkodowanego sygnału audio PL3879528T3 (pl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP15158233 2015-03-09
EP15172594.2A EP3067886A1 (en) 2015-03-09 2015-06-17 Audio encoder for encoding a multichannel signal and audio decoder for decoding an encoded audio signal

Publications (1)

Publication Number Publication Date
PL3879528T3 true PL3879528T3 (pl) 2024-01-22

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PL21191544.2T PL3958257T3 (pl) 2015-03-09 2016-03-07 Koder audio do kodowania sygnału wielokanałowego i dekoder audio do dekodowania zakodowanego sygnału audio
PL21171826.7T PL3879527T3 (pl) 2015-03-09 2016-03-07 Dekoder audio do dekodowania enkodowanego sygnału audio
PL16708172T PL3268958T3 (pl) 2015-03-09 2016-03-07 Enkoder audio do enkodowania sygnału wielokanałowego i dekoder audio do dekodowania enkodowanego sygnału audio
PL21171835.8T PL3910628T3 (pl) 2015-03-09 2016-03-07 Enkoder audio do enkodowania sygnału wielokanałowego i dekoder audio do dekodowania enkodowanego sygnału audio
PL21171831.7T PL3879528T3 (pl) 2015-03-09 2016-03-07 Enkoder audio do enkodowania sygnału wielokanałowego i dekoder audio do dekodowania enkodowanego sygnału audio
PL16708171T PL3268957T3 (pl) 2015-03-09 2016-03-07 Koder audio do kodowania sygnału wielokanałowego i dekoder audio do dekodowania zakodowanego sygnału audio

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PL21191544.2T PL3958257T3 (pl) 2015-03-09 2016-03-07 Koder audio do kodowania sygnału wielokanałowego i dekoder audio do dekodowania zakodowanego sygnału audio
PL21171826.7T PL3879527T3 (pl) 2015-03-09 2016-03-07 Dekoder audio do dekodowania enkodowanego sygnału audio
PL16708172T PL3268958T3 (pl) 2015-03-09 2016-03-07 Enkoder audio do enkodowania sygnału wielokanałowego i dekoder audio do dekodowania enkodowanego sygnału audio
PL21171835.8T PL3910628T3 (pl) 2015-03-09 2016-03-07 Enkoder audio do enkodowania sygnału wielokanałowego i dekoder audio do dekodowania enkodowanego sygnału audio

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Country Status (19)

Country Link
US (7) US10395661B2 (pl)
EP (9) EP3067886A1 (pl)
JP (6) JP6606190B2 (pl)
KR (2) KR102075361B1 (pl)
CN (6) CN112614496B (pl)
AR (6) AR103881A1 (pl)
AU (2) AU2016231283C1 (pl)
BR (4) BR112017018441B1 (pl)
CA (2) CA2978812C (pl)
ES (6) ES2958535T3 (pl)
FI (1) FI3958257T3 (pl)
MX (2) MX366860B (pl)
MY (2) MY186689A (pl)
PL (6) PL3958257T3 (pl)
PT (3) PT3268958T (pl)
RU (2) RU2679571C1 (pl)
SG (2) SG11201707343UA (pl)
TW (2) TWI609364B (pl)
WO (2) WO2016142337A1 (pl)

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