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MX358363B - Concepto para la codificación de información. - Google Patents

Concepto para la codificación de información.

Info

Publication number
MX358363B
MX358363B MX2016011516A MX2016011516A MX358363B MX 358363 B MX358363 B MX 358363B MX 2016011516 A MX2016011516 A MX 2016011516A MX 2016011516 A MX2016011516 A MX 2016011516A MX 358363 B MX358363 B MX 358363B
Authority
MX
Mexico
Prior art keywords
frequency values
strictly
converter
derived
information
Prior art date
Application number
MX2016011516A
Other languages
English (en)
Other versions
MX2016011516A (es
Inventor
Tom Bäckström
FISCHER PEDERSEN Christian
Fischer Johannes
HÜTTENBERGER Matthias
PINO Alfonso
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 MX2016011516A publication Critical patent/MX2016011516A/es
Publication of MX358363B publication Critical patent/MX358363B/es

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
    • G10L19/04—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
    • G10L19/07—Line spectrum pair [LSP] 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
    • 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
    • G10L19/02—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
    • 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
    • G10L19/08—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
    • 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
    • G10L2019/0001—Codebooks
    • G10L2019/0011—Long term prediction filters, i.e. pitch estimation
    • 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)
  • Spectroscopy & Molecular Physics (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)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)

Abstract

La invención presenta un codificador de información para codificar una señal de información (IS), donde el codificador de información (1) comprende: un analizador (2) para analizar la señal de información (IS) para obtener coeficientes de predicción lineal de un polinomio predictivo A(z); un conversor (3) para convertir los coeficientes de predicción lineal del polinomio predictivo A(z) a valores de frecuencia f1...fn de una representación de frecuencia espectral del polinomio predictivo A(z), donde el conversor (3) está configurado para determinar los valores de frecuencia f1...fn mediante el análisis de un par de polinomios P(z) y Q(z) que se definen de la siguiente manera (ver Formulas) donde m es un orden del polinomio predictivo A(z) y I es mayor o igual a cero, donde el conversor (3) está configurado para obtener los valores de frecuencia (f1...fn) mediante el establecimiento de un espectro estrictamente real (RES) derivado de P(z) y un espectro estrictamente imaginario (lES) de Q(z) y mediante la identificación de los ceros del espectro estrictamente real (RES) derivado de P(z) y el espectro estrictamente imaginario (lES) derivado de Q(z); un cuantificador (4) para obtener valores de frecuencia cuantificados (fq1...fqn) de los valores de frecuencia (f1...fn) y un productor de flujos de bits (5) para producir un flujo de bits que comprende los valores de frecuencia cuantificados (fq1...fqn).
MX2016011516A 2014-03-07 2015-02-09 Concepto para la codificación de información. MX358363B (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP14158396 2014-03-07
EP14178789.5A EP2916319A1 (en) 2014-03-07 2014-07-28 Concept for encoding of information
PCT/EP2015/052634 WO2015132048A1 (en) 2014-03-07 2015-02-09 Concept for encoding of information

Publications (2)

Publication Number Publication Date
MX2016011516A MX2016011516A (es) 2016-11-29
MX358363B true MX358363B (es) 2018-08-15

Family

ID=51260570

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2016011516A MX358363B (es) 2014-03-07 2015-02-09 Concepto para la codificación de información.

Country Status (18)

Country Link
US (3) US10403298B2 (es)
EP (4) EP2916319A1 (es)
JP (3) JP6420356B2 (es)
KR (1) KR101875477B1 (es)
CN (2) CN111179952B (es)
AR (1) AR099616A1 (es)
AU (1) AU2015226480B2 (es)
BR (1) BR112016018694B1 (es)
CA (1) CA2939738C (es)
ES (1) ES2721029T3 (es)
MX (1) MX358363B (es)
MY (1) MY192163A (es)
PL (2) PL3503099T3 (es)
PT (1) PT3097559T (es)
RU (1) RU2670384C2 (es)
SG (1) SG11201607433YA (es)
TW (1) TWI575514B (es)
WO (1) WO2015132048A1 (es)

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Also Published As

Publication number Publication date
JP2021006922A (ja) 2021-01-21
US10403298B2 (en) 2019-09-03
AR099616A1 (es) 2016-08-03
WO2015132048A1 (en) 2015-09-11
EP3097559A1 (en) 2016-11-30
US20210335373A1 (en) 2021-10-28
CA2939738C (en) 2018-10-02
EP3503099A1 (en) 2019-06-26
CN111179952B (zh) 2023-07-18
EP2916319A1 (en) 2015-09-09
US11640827B2 (en) 2023-05-02
AU2015226480B2 (en) 2018-01-18
KR20160129891A (ko) 2016-11-09
CN106068534A (zh) 2016-11-02
MY192163A (en) 2022-08-03
TW201537566A (zh) 2015-10-01
ES2721029T3 (es) 2019-07-26
RU2016137805A (ru) 2018-04-10
PL3503099T3 (pl) 2024-09-02
EP3097559B1 (en) 2019-03-13
BR112016018694A2 (es) 2017-08-22
BR112016018694B1 (pt) 2022-09-06
JP6420356B2 (ja) 2018-11-07
KR101875477B1 (ko) 2018-08-02
JP7077378B2 (ja) 2022-05-30
US20190341065A1 (en) 2019-11-07
EP3503099C0 (en) 2024-05-01
JP2017513048A (ja) 2017-05-25
MX2016011516A (es) 2016-11-29
JP6772233B2 (ja) 2020-10-21
TWI575514B (zh) 2017-03-21
RU2670384C2 (ru) 2018-10-22
CA2939738A1 (en) 2015-09-11
CN106068534B (zh) 2020-01-17
CN111179952A (zh) 2020-05-19
PL3097559T3 (pl) 2019-08-30
AU2015226480A1 (en) 2016-09-01
SG11201607433YA (en) 2016-10-28
PT3097559T (pt) 2019-06-18
JP2019049729A (ja) 2019-03-28
EP3503099B1 (en) 2024-05-01
EP4318471A3 (en) 2024-04-10
US11062720B2 (en) 2021-07-13
US20160379656A1 (en) 2016-12-29
EP4318471A2 (en) 2024-02-07

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