MX377364B - Dispositivo de conversión de coeficiente de predicción lineal y método de conversión de coeficiente de predicción lineal. - Google Patents

Dispositivo de conversión de coeficiente de predicción lineal y método de conversión de coeficiente de predicción lineal.

Info

Publication number
MX377364B
MX377364B MX2017015088A MX2017015088A MX377364B MX 377364 B MX377364 B MX 377364B MX 2017015088 A MX2017015088 A MX 2017015088A MX 2017015088 A MX2017015088 A MX 2017015088A MX 377364 B MX377364 B MX 377364B
Authority
MX
Mexico
Prior art keywords
linear prediction
prediction coefficient
sampling frequency
coefficient conversion
coefficient
Prior art date
Application number
MX2017015088A
Other languages
English (en)
Inventor
Nobuhiko Naka
Vesa Ruoppila
Original Assignee
Ntt Docomo Inc
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 Ntt Docomo Inc filed Critical Ntt Docomo Inc
Publication of MX377364B publication Critical patent/MX377364B/es

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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
    • G10L19/04—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
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • 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
    • G10L19/06—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
    • G10L19/08—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
    • 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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/12—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being prediction coefficients

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)
  • Theoretical Computer Science (AREA)
  • Data Mining & Analysis (AREA)
  • Mathematical Physics (AREA)
  • Software Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Databases & Information Systems (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Complex Calculations (AREA)
  • Picture Signal Circuits (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)

Abstract

El propósito de la presente invención es estimar, con una pequeña cantidad de cálculo, un filtro de síntesis de predicción lineal después de la conversión de una frecuencia de muestreo interna. Un dispositivo de conversión de coeficiente de predicción lineal es un dispositivo que convierte primeros coeficientes de predicción lineal calculados a una primera frecuencia de muestreo a segundos coeficientes de predicción lineal a una segunda frecuencia de muestreo diferente de la primera frecuencia de muestreo, que incluye medios para calcular, en el eje real del círculo unitario, un espectro de potencia correspondiente a los segundos coeficientes de predicción lineal a la segunda frecuencia de muestreo, en base a los primeros coeficientes de predicción lineal o un parámetro equivalente, medios para calcular, en el eje real del círculo unitario, coeficientes de autocorrelación del espectro de potencia y medios para convertir los coeficientes de autocorrelación a los segundos coeficientes de predicción lineal a la segunda frecuencia de muestreo.
MX2017015088A 2014-04-25 2015-04-16 Dispositivo de conversión de coeficiente de predicción lineal y método de conversión de coeficiente de predicción lineal. MX377364B (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2014090781 2014-04-25
PCT/JP2015/061763 WO2015163240A1 (ja) 2014-04-25 2015-04-16 線形予測係数変換装置および線形予測係数変換方法

Publications (1)

Publication Number Publication Date
MX377364B true MX377364B (es) 2025-03-10

Family

ID=54332406

Family Applications (2)

Application Number Title Priority Date Filing Date
MX2016013797A MX352479B (es) 2014-04-25 2015-04-16 Dispositivo de conversion de coeficiente de prediccion lineal y metodo de conversion de coeficiente de prediccion lineal.
MX2017015088A MX377364B (es) 2014-04-25 2015-04-16 Dispositivo de conversión de coeficiente de predicción lineal y método de conversión de coeficiente de predicción lineal.

Family Applications Before (1)

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MX2016013797A MX352479B (es) 2014-04-25 2015-04-16 Dispositivo de conversion de coeficiente de prediccion lineal y metodo de conversion de coeficiente de prediccion lineal.

Country Status (22)

Country Link
US (4) US10163448B2 (es)
EP (4) EP3471095B1 (es)
JP (4) JP6018724B2 (es)
KR (4) KR101957276B1 (es)
CN (2) CN107945812B (es)
AU (4) AU2015251609B2 (es)
BR (1) BR112016024372B1 (es)
CA (4) CA2946824C (es)
DK (3) DK3471095T3 (es)
ES (3) ES2987686T3 (es)
FI (2) FI3471095T3 (es)
HK (1) HK1226547B (es)
HU (2) HUE066731T2 (es)
MX (2) MX352479B (es)
MY (1) MY167352A (es)
PH (1) PH12016502076B1 (es)
PL (3) PL3471095T3 (es)
PT (3) PT4343763T (es)
RU (4) RU2639656C1 (es)
TR (1) TR201901328T4 (es)
TW (1) TWI576831B (es)
WO (1) WO2015163240A1 (es)

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Also Published As

Publication number Publication date
JP6018724B2 (ja) 2016-11-02
MX352479B (es) 2017-11-27
KR101920297B1 (ko) 2018-11-20
FI4343763T3 (fi) 2025-10-07
AU2019280040A1 (en) 2020-01-16
KR20180123742A (ko) 2018-11-19
KR20180081181A (ko) 2018-07-13
DK3471095T3 (da) 2024-05-21
US10714108B2 (en) 2020-07-14
JP2018077524A (ja) 2018-05-17
US20170053655A1 (en) 2017-02-23
FI3471095T3 (fi) 2024-05-28
CN107945812B (zh) 2022-01-25
ES2709329T3 (es) 2019-04-16
PL4343763T3 (pl) 2025-10-27
BR112016024372B1 (pt) 2020-11-03
EP3136384B1 (en) 2019-01-02
CA2946824A1 (en) 2015-10-29
TR201901328T4 (tr) 2019-02-21
US20190080705A1 (en) 2019-03-14
CA3042070C (en) 2021-03-02
KR20170098989A (ko) 2017-08-30
CN106233381A (zh) 2016-12-14
JP2017058683A (ja) 2017-03-23
PH12016502076B1 (en) 2018-07-20
JPWO2015163240A1 (ja) 2017-04-13
PT3136384T (pt) 2019-04-22
RU2673691C1 (ru) 2018-11-29
WO2015163240A1 (ja) 2015-10-29
US20190080706A1 (en) 2019-03-14
ES3041986T3 (en) 2025-11-17
US10714107B2 (en) 2020-07-14
CA3042066A1 (en) 2015-10-29
CA2946824C (en) 2019-06-18
CN106233381B (zh) 2018-01-02
US11222644B2 (en) 2022-01-11
JP6715269B2 (ja) 2020-07-01
MX2016013797A (es) 2016-11-11
KR101878292B1 (ko) 2018-07-13
KR20160129904A (ko) 2016-11-09
RU2694150C1 (ru) 2019-07-09
RU2639656C1 (ru) 2017-12-21
RU2714390C1 (ru) 2020-02-14
CA3042069C (en) 2021-03-02
PL3136384T3 (pl) 2019-04-30
CA3042066C (en) 2021-03-02
CA3042069A1 (en) 2015-10-29
PT4343763T (pt) 2025-09-18
AU2019280041A1 (en) 2020-01-16
AU2019280041B2 (en) 2021-02-25
US10163448B2 (en) 2018-12-25
HUE072785T2 (hu) 2025-12-28
HK1226547B (zh) 2017-09-29
PL3471095T3 (pl) 2024-07-15
EP4583105A2 (en) 2025-07-09
JP6936363B2 (ja) 2021-09-15
US20200302942A1 (en) 2020-09-24
TW201606756A (zh) 2016-02-16
EP3136384A1 (en) 2017-03-01
DK3136384T3 (en) 2019-04-15
KR101957276B1 (ko) 2019-03-12
ES2987686T3 (es) 2024-11-15
JP2020144397A (ja) 2020-09-10
JP6277245B2 (ja) 2018-02-07
EP4583105A3 (en) 2025-08-13
AU2015251609A1 (en) 2016-11-17
DK4343763T3 (da) 2025-09-29
EP3136384A4 (en) 2017-03-29
BR112016024372A2 (pt) 2017-08-15
EP4343763B1 (en) 2025-08-27
KR101772501B1 (ko) 2017-08-29
AU2018204572B2 (en) 2019-09-12
PT3471095T (pt) 2024-05-20
PH12016502076A1 (en) 2017-01-09
MY167352A (en) 2018-08-16
HUE066731T2 (hu) 2024-09-28
CA3042070A1 (en) 2015-10-29
AU2018204572A1 (en) 2018-07-19
EP3471095A1 (en) 2019-04-17
TWI576831B (zh) 2017-04-01
EP3471095B1 (en) 2024-05-01
EP4343763A3 (en) 2024-06-05
AU2019280040B2 (en) 2021-01-28
CN107945812A (zh) 2018-04-20
AU2015251609B2 (en) 2018-05-17
EP4343763A2 (en) 2024-03-27

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