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SG11201707335SA - Audio encoder for encoding a multichannel signal and audio decoder for decoding an encoded audio signal - Google Patents

Audio encoder for encoding a multichannel signal and audio decoder for decoding an encoded audio signal

Info

Publication number
SG11201707335SA
SG11201707335SA SG11201707335SA SG11201707335SA SG11201707335SA SG 11201707335S A SG11201707335S A SG 11201707335SA SG 11201707335S A SG11201707335S A SG 11201707335SA SG 11201707335S A SG11201707335S A SG 11201707335SA SG 11201707335S A SG11201707335S A SG 11201707335SA
Authority
SG
Singapore
Prior art keywords
audio
signal
decoding
encoding
encoder
Prior art date
Application number
SG11201707335SA
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 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 SG11201707335SA publication Critical patent/SG11201707335SA/en

Links

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)
SG11201707335SA 2015-03-09 2016-03-07 Audio encoder for encoding a multichannel signal and audio decoder for decoding an encoded audio signal SG11201707335SA (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP15158233 2015-03-09
EP15172599.1A EP3067887A1 (en) 2015-03-09 2015-06-17 Audio encoder for encoding a multichannel signal and audio decoder for decoding an encoded audio signal
PCT/EP2016/054775 WO2016142336A1 (en) 2015-03-09 2016-03-07 Audio encoder for encoding a multichannel signal and audio decoder for decoding an encoded audio signal

Publications (1)

Publication Number Publication Date
SG11201707335SA true SG11201707335SA (en) 2017-10-30

Family

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Family Applications (2)

Application Number Title Priority Date Filing Date
SG11201707335SA SG11201707335SA (en) 2015-03-09 2016-03-07 Audio encoder for encoding a multichannel signal and audio decoder for decoding an encoded audio signal
SG11201707343UA SG11201707343UA (en) 2015-03-09 2016-03-07 Audio encoder for encoding a multichannel signal and audio decoder for decoding an encoded audio signal

Family Applications After (1)

Application Number Title Priority Date Filing Date
SG11201707343UA SG11201707343UA (en) 2015-03-09 2016-03-07 Audio encoder for encoding a multichannel signal and audio decoder for decoding an encoded audio signal

Country Status (19)

Country Link
US (7) US10395661B2 (ja)
EP (9) EP3067887A1 (ja)
JP (6) JP6606190B2 (ja)
KR (2) KR102075361B1 (ja)
CN (6) CN107430863B (ja)
AR (6) AR103880A1 (ja)
AU (2) AU2016231283C1 (ja)
BR (4) BR112017018439B1 (ja)
CA (2) CA2978814C (ja)
ES (6) ES2951090T3 (ja)
FI (1) FI3958257T3 (ja)
MX (2) MX366860B (ja)
MY (2) MY194940A (ja)
PL (6) PL3879528T3 (ja)
PT (3) PT3958257T (ja)
RU (2) RU2680195C1 (ja)
SG (2) SG11201707335SA (ja)
TW (2) TWI609364B (ja)
WO (2) WO2016142336A1 (ja)

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