ES2635142T3 - Énfasis de baja frecuencia para la codificación basada en lpc en el dominio de la frecuencia - Google Patents

Énfasis de baja frecuencia para la codificación basada en lpc en el dominio de la frecuencia Download PDF

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Publication number
ES2635142T3
ES2635142T3 ES14701984.8T ES14701984T ES2635142T3 ES 2635142 T3 ES2635142 T3 ES 2635142T3 ES 14701984 T ES14701984 T ES 14701984T ES 2635142 T3 ES2635142 T3 ES 2635142T3
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spectrum
spectral
predictive coding
linear predictive
frequency
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Spanish (es)
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Stefan DÖHLA
Bernhard Grill
Christian Helmrich
Nikolaus Rettelbach
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Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
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Fraunhofer Gesellschaft zur Foerderung 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
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/087—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters using mixed excitation models, e.g. MELP, MBE, split band LPC or HVXC
    • 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
    • G10L19/04—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
    • 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
    • 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
    • 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
    • G10L19/265—Pre-filtering, e.g. high frequency emphasis prior to encoding
    • 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
    • G10L2019/0001—Codebooks
    • G10L2019/0016—Codebook for LPC parameters

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)
ES14701984.8T 2013-01-29 2014-01-28 Énfasis de baja frecuencia para la codificación basada en lpc en el dominio de la frecuencia Active ES2635142T3 (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201361758103P 2013-01-29 2013-01-29
US201361758103P 2013-01-29
PCT/EP2014/051585 WO2014118152A1 (en) 2013-01-29 2014-01-28 Low-frequency emphasis for lpc-based coding in frequency domain

Publications (1)

Publication Number Publication Date
ES2635142T3 true ES2635142T3 (es) 2017-10-02

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Country Status (19)

Country Link
US (5) US10176817B2 (https=)
EP (1) EP2951814B1 (https=)
JP (1) JP6148811B2 (https=)
KR (1) KR101792712B1 (https=)
CN (2) CN105122357B (https=)
AR (2) AR094682A1 (https=)
AU (1) AU2014211520B2 (https=)
BR (1) BR112015018040B1 (https=)
CA (1) CA2898677C (https=)
ES (1) ES2635142T3 (https=)
MX (1) MX346927B (https=)
MY (1) MY178306A (https=)
PL (1) PL2951814T3 (https=)
PT (1) PT2951814T (https=)
RU (1) RU2612589C2 (https=)
SG (1) SG11201505911SA (https=)
TW (1) TWI536369B (https=)
WO (1) WO2014118152A1 (https=)
ZA (1) ZA201506314B (https=)

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JP2016508618A (ja) 2016-03-22
MX2015009752A (es) 2015-11-06
AR115901A2 (es) 2021-03-10
RU2612589C2 (ru) 2017-03-09
RU2015136223A (ru) 2017-03-06
US20200327896A1 (en) 2020-10-15
CN105122357A (zh) 2015-12-02
SG11201505911SA (en) 2015-08-28
AR094682A1 (es) 2015-08-19
CA2898677C (en) 2017-12-05
PL2951814T3 (pl) 2017-10-31
EP2951814A1 (en) 2015-12-09
MY178306A (en) 2020-10-07
CN110047500B (zh) 2023-09-05
AU2014211520B2 (en) 2017-04-06
PT2951814T (pt) 2017-07-25
KR20150110708A (ko) 2015-10-02
US10692513B2 (en) 2020-06-23
HK1218018A1 (en) 2017-01-27
CN105122357B (zh) 2019-04-23
EP2951814B1 (en) 2017-05-10
AU2014211520A1 (en) 2015-09-17
TWI536369B (zh) 2016-06-01
US20230087652A1 (en) 2023-03-23
BR112015018040A2 (https=) 2017-07-11
KR101792712B1 (ko) 2017-11-02
JP6148811B2 (ja) 2017-06-14
CA2898677A1 (en) 2014-08-07
MX346927B (es) 2017-04-05
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US20240119953A1 (en) 2024-04-11
US20180240467A1 (en) 2018-08-23
US10176817B2 (en) 2019-01-08
US11854561B2 (en) 2023-12-26
WO2014118152A1 (en) 2014-08-07
TW201435861A (zh) 2014-09-16
US20180293993A9 (en) 2018-10-11
US20150332695A1 (en) 2015-11-19
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US11568883B2 (en) 2023-01-31

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