MX351191B - Aparato y metodo para generar una señal de frecuencia reforzada mediante la configuracion de la señal de refuerzo. - Google Patents

Aparato y metodo para generar una señal de frecuencia reforzada mediante la configuracion de la señal de refuerzo.

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Publication number
MX351191B
MX351191B MX2015009536A MX2015009536A MX351191B MX 351191 B MX351191 B MX 351191B MX 2015009536 A MX2015009536 A MX 2015009536A MX 2015009536 A MX2015009536 A MX 2015009536A MX 351191 B MX351191 B MX 351191B
Authority
MX
Mexico
Prior art keywords
signal
enhancement
generating
shaping
frequency
Prior art date
Application number
MX2015009536A
Other languages
English (en)
Other versions
MX2015009536A (es
Inventor
Markus Multrus
Ralf Geiger
Christian Helmrich
Konstantin Schmidt
Sascha Disch
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 MX2015009536A publication Critical patent/MX2015009536A/es
Publication of MX351191B publication Critical patent/MX351191B/es

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Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Processing of the speech or voice signal 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
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L2019/0012—Smoothing of parameters of the decoder interpolation
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Processing of the speech or voice signal 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
    • G10L21/0388—Details of processing therefor
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L25/18—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 spectral information of each sub-band

Abstract

Un aparato para generar una señal de refuerzo de frecuencia (140) comprende: una calculadora (500) para calcular un valor que describe una distribución de la energía con respecto a la frecuencia en una señal de núcleo (110, 120); y un generador de señales (200) para generar una señal de refuerzo (130) que comprende un intervalo de frecuencias de refuerzo no incluido en la señal de núcleo, de la señal de núcleo (502), en donde el generador de señales (200) está configurado para configurar la señal de refuerzo o la señal de núcleo de manera tal que una envuelta espectral de la señal de refuerzo o de la señal de núcleo depende del valor (501) que describe la distribución de la energía con respecto a la frecuencia en la señal de núcleo.
MX2015009536A 2013-01-29 2014-01-28 Aparato y metodo para generar una señal de frecuencia reforzada mediante la configuracion de la señal de refuerzo. MX351191B (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201361758090P 2013-01-29 2013-01-29
PCT/EP2014/051599 WO2014118159A1 (en) 2013-01-29 2014-01-28 Apparatus and method for generating a frequency enhanced signal using shaping of the enhancement signal

Publications (2)

Publication Number Publication Date
MX2015009536A MX2015009536A (es) 2015-10-30
MX351191B true MX351191B (es) 2017-10-04

Family

ID=50029033

Family Applications (3)

Application Number Title Priority Date Filing Date
MX2015009597A MX346944B (es) 2013-01-29 2014-01-28 Aparato y metodo para generar una señal de frecuencia reforzada mediante la suavizacion temporal de las subbandas.
MX2015009598A MX346945B (es) 2013-01-29 2014-01-28 Aparato y metodo para generar una señal de refuerzo de frecuencia mediante una operacion de limitacion de energia.
MX2015009536A MX351191B (es) 2013-01-29 2014-01-28 Aparato y metodo para generar una señal de frecuencia reforzada mediante la configuracion de la señal de refuerzo.

Family Applications Before (2)

Application Number Title Priority Date Filing Date
MX2015009597A MX346944B (es) 2013-01-29 2014-01-28 Aparato y metodo para generar una señal de frecuencia reforzada mediante la suavizacion temporal de las subbandas.
MX2015009598A MX346945B (es) 2013-01-29 2014-01-28 Aparato y metodo para generar una señal de refuerzo de frecuencia mediante una operacion de limitacion de energia.

Country Status (20)

Country Link
US (4) US9640189B2 (es)
EP (4) EP2951826B1 (es)
JP (3) JP6321684B2 (es)
KR (3) KR101757349B1 (es)
CN (3) CN105264601B (es)
AR (3) AR094670A1 (es)
AU (3) AU2014211529B2 (es)
BR (3) BR112015017868B1 (es)
CA (3) CA2899072C (es)
ES (3) ES2914614T3 (es)
HK (2) HK1218019A1 (es)
MX (3) MX346944B (es)
MY (3) MY172710A (es)
PL (1) PL2951825T3 (es)
PT (1) PT2951825T (es)
RU (3) RU2625945C2 (es)
SG (3) SG11201505908QA (es)
TW (2) TWI524332B (es)
WO (3) WO2014118160A1 (es)
ZA (2) ZA201506268B (es)

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TW201443887A (zh) 2014-11-16
KR20150109416A (ko) 2015-10-01
EP2951825A1 (en) 2015-12-09
SG11201505906RA (en) 2015-08-28
JP6321684B2 (ja) 2018-05-09
AU2014211528A1 (en) 2015-09-03
AU2014211527B2 (en) 2017-03-30
ES2905846T3 (es) 2022-04-12
MY185159A (en) 2021-04-30
CN105229738B (zh) 2019-07-26
RU2015136768A (ru) 2017-03-10
JP2016507080A (ja) 2016-03-07
CN105264601A (zh) 2016-01-20
JP6301368B2 (ja) 2018-03-28
MX346944B (es) 2017-04-06
EP2951825B1 (en) 2021-11-24
JP6289507B2 (ja) 2018-03-07
WO2014118161A1 (en) 2014-08-07
BR112015017632B1 (pt) 2022-06-07
MY172710A (en) 2019-12-11
AR094672A1 (es) 2015-08-19
BR112015017868B1 (pt) 2022-02-15
AU2014211527A1 (en) 2015-08-06
HK1218019A1 (zh) 2017-01-27
CA2899072C (en) 2017-12-19
JP2016510429A (ja) 2016-04-07
CA2899080C (en) 2018-10-02
CA2899078A1 (en) 2014-08-07
BR112015017868A2 (es) 2017-08-22
US20150332706A1 (en) 2015-11-19
RU2624104C2 (ru) 2017-06-30
TWI524332B (zh) 2016-03-01
US20170323651A1 (en) 2017-11-09
CN105103228A (zh) 2015-11-25
BR112015017632A2 (pt) 2018-05-02
CN105264601B (zh) 2019-05-31
AR094670A1 (es) 2015-08-19
CA2899072A1 (en) 2014-08-07
MX2015009598A (es) 2015-11-25
PT2951825T (pt) 2022-02-02
TW201435860A (zh) 2014-09-16
SG11201505883WA (en) 2015-08-28
US9640189B2 (en) 2017-05-02
CA2899078C (en) 2018-09-25
PL2951825T3 (pl) 2022-03-14
BR112015017866A2 (pt) 2018-05-08
US20150332707A1 (en) 2015-11-19
BR112015017866B1 (pt) 2021-12-21
EP3136386B1 (en) 2021-10-20
AU2014211529A1 (en) 2015-09-17
KR101757349B1 (ko) 2017-07-14
KR101762225B1 (ko) 2017-07-28
CN105229738A (zh) 2016-01-06
KR20150114483A (ko) 2015-10-12
MY172161A (en) 2019-11-15
RU2625945C2 (ru) 2017-07-19
ZA201506265B (en) 2016-07-27
WO2014118159A1 (en) 2014-08-07
KR101787497B1 (ko) 2017-10-18
AU2014211529B2 (en) 2016-12-22
US20150332697A1 (en) 2015-11-19
US9552823B2 (en) 2017-01-24
JP2016510428A (ja) 2016-04-07
ZA201506268B (en) 2016-11-30
WO2014118160A1 (en) 2014-08-07
US9741353B2 (en) 2017-08-22
ES2899781T3 (es) 2022-03-14
EP2951826B1 (en) 2022-04-20
RU2608447C1 (ru) 2017-01-18
SG11201505908QA (en) 2015-09-29
TWI529701B (zh) 2016-04-11
CA2899080A1 (en) 2014-08-07
EP3136386A1 (en) 2017-03-01
AU2014211528B2 (en) 2016-10-20
EP2951826A1 (en) 2015-12-09
EP2951827A1 (en) 2015-12-09
HK1218020A1 (zh) 2017-01-27
MX2015009597A (es) 2015-11-25
KR20150108395A (ko) 2015-09-25
RU2015136799A (ru) 2017-03-13
MX346945B (es) 2017-04-06
AR094671A1 (es) 2015-08-19
US10354665B2 (en) 2019-07-16
ES2914614T3 (es) 2022-06-14
MX2015009536A (es) 2015-10-30
CN105103228B (zh) 2019-04-09

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