AU2014295314B2 - Context-based entropy coding of sample values of a spectral envelope - Google Patents

Context-based entropy coding of sample values of a spectral envelope Download PDF

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AU2014295314B2
AU2014295314B2 AU2014295314A AU2014295314A AU2014295314B2 AU 2014295314 B2 AU2014295314 B2 AU 2014295314B2 AU 2014295314 A AU2014295314 A AU 2014295314A AU 2014295314 A AU2014295314 A AU 2014295314A AU 2014295314 B2 AU2014295314 B2 AU 2014295314B2
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context
spectral
value
current sample
spectral envelope
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AU2014295314A1 (en
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Florin Ghido
Andreas NIEDERMEIER
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Fraunhofer-Gesellschaft zur Förderung der Angewandten Forschung eV
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Fraunhofer-Gesellschaft zur Förderung der Angewandten Forschung eV
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    • 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
    • G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
    • 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
    • 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
    • G10L19/0204—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 subband decomposition
    • 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
    • G10L19/028—Noise substitution, i.e. substituting non-tonal spectral components by noisy source
    • 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
    • G10L19/02—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
    • 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

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Human Computer Interaction (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Computational Linguistics (AREA)
  • Quality & Reliability (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
AU2014295314A 2013-07-22 2014-07-15 Context-based entropy coding of sample values of a spectral envelope Active AU2014295314B2 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
EP13177351 2013-07-22
EP13177351.7 2013-07-22
EP13189336.4 2013-10-18
EP13189336.4A EP2830055A1 (en) 2013-07-22 2013-10-18 Context-based entropy coding of sample values of a spectral envelope
PCT/EP2014/065173 WO2015010966A1 (en) 2013-07-22 2014-07-15 Context-based entropy coding of sample values of a spectral envelope

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AU2014295314A1 AU2014295314A1 (en) 2016-02-11
AU2014295314B2 true AU2014295314B2 (en) 2017-09-07

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US20220208202A1 (en) 2022-06-30
US20240079020A1 (en) 2024-03-07
TWI557725B (zh) 2016-11-11
CN110895945A (zh) 2020-03-20
SG11201600492QA (en) 2016-02-26
EP3996091A1 (en) 2022-05-11
ES2665646T3 (es) 2018-04-26
US20250201256A1 (en) 2025-06-19
JP2025111519A (ja) 2025-07-30
TR201807486T4 (tr) 2018-06-21
JP7667199B2 (ja) 2025-04-22
US20160210977A1 (en) 2016-07-21
JP2023098967A (ja) 2023-07-11
PL3025338T3 (pl) 2018-07-31
US20180204583A1 (en) 2018-07-19
CA2918851C (en) 2020-04-28
EP3996091B1 (en) 2025-10-01
JP2018200475A (ja) 2018-12-20
KR101797407B1 (ko) 2017-11-13
US10726854B2 (en) 2020-07-28
JP6744363B2 (ja) 2020-08-19
MX357136B (es) 2018-06-27
RU2016105764A (ru) 2017-08-29
JP2020190747A (ja) 2020-11-26
US12205606B2 (en) 2025-01-21
JP7260509B2 (ja) 2023-04-18
EP4654189A2 (en) 2025-11-26
ZA201601009B (en) 2017-08-30
CN105556599A (zh) 2016-05-04
BR112016001142B1 (pt) 2022-05-31
US20200395026A1 (en) 2020-12-17
EP3333849B1 (en) 2021-12-08
MY192658A (en) 2022-08-30
KR20160030260A (ko) 2016-03-16
US11250866B2 (en) 2022-02-15
EP3996091C0 (en) 2025-10-01
PT3333849T (pt) 2022-02-02
RU2663363C2 (ru) 2018-08-03
MX2016000509A (es) 2016-04-07
CN105556599B (zh) 2019-12-10
EP3025338B1 (en) 2018-03-07
BR112016001142A2 (enExample) 2017-07-25
CN110895945B (zh) 2024-01-23
JP6374501B2 (ja) 2018-08-15
TW201519218A (zh) 2015-05-16
US11790927B2 (en) 2023-10-17
WO2015010966A1 (en) 2015-01-29
PL3333849T3 (pl) 2022-03-28
US9947330B2 (en) 2018-04-17
PL3996091T3 (pl) 2026-02-16
ES3049673T3 (en) 2025-12-17
EP3333849A1 (en) 2018-06-13
PT3025338T (pt) 2018-04-18
ES2905692T3 (es) 2022-04-11
EP2830055A1 (en) 2015-01-28
JP2016529547A (ja) 2016-09-23
AU2014295314A1 (en) 2016-02-11
CA2918851A1 (en) 2015-01-29
EP4654189A3 (en) 2025-12-24
AR096986A1 (es) 2016-02-10
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JP7890471B2 (ja) 2026-07-14

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