BR112015017866B1 - Aparelho e método para gerar um sinal melhorado da frequência utilizando a formação do sinal de melhoria - Google Patents

Aparelho e método para gerar um sinal melhorado da frequência utilizando a formação do sinal de melhoria Download PDF

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BR112015017866B1
BR112015017866B1 BR112015017866-9A BR112015017866A BR112015017866B1 BR 112015017866 B1 BR112015017866 B1 BR 112015017866B1 BR 112015017866 A BR112015017866 A BR 112015017866A BR 112015017866 B1 BR112015017866 B1 BR 112015017866B1
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signal
frequency
enhancement
energy
central
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BR112015017866-9A
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Portuguese (pt)
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BR112015017866A2 (pt
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Disch Sascha
Geiger Ralf
Helmrich Christian
Multrus Markus
Schmidt Konstantin
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Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V
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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
    • G10L19/12—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
    • 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
    • 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
    • G10L19/02—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
    • G10L19/032—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
    • G10L2019/0001—Codebooks
    • G10L2019/0012—Smoothing of parameters of the decoder interpolation
    • 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
    • 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
    • G10L21/0388—Details of processing therefor
    • 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
    • G10L25/18—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

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Quality & Reliability (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Superheterodyne Receivers (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Picture Signal Circuits (AREA)
  • Testing Relating To Insulation (AREA)
  • Stereophonic System (AREA)
  • Circuit Arrangements For Discharge Lamps (AREA)
  • Electrotherapy Devices (AREA)
  • Dc-Dc Converters (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Plasma Technology (AREA)
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BR112015017866-9A 2013-01-29 2014-01-28 Aparelho e método para gerar um sinal melhorado da frequência utilizando a formação do sinal de melhoria BR112015017866B1 (pt)

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US201361758090P 2013-01-29 2013-01-29
US61/758,090 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

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BR112015017866A2 BR112015017866A2 (pt) 2018-05-08
BR112015017866B1 true BR112015017866B1 (pt) 2021-12-21

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BR112015017866-9A BR112015017866B1 (pt) 2013-01-29 2014-01-28 Aparelho e método para gerar um sinal melhorado da frequência utilizando a formação do sinal de melhoria
BR112015017868-5A BR112015017868B1 (pt) 2013-01-29 2014-01-28 Aparelho e método para gerar um sinal de melhoria de frequência utilizando uma operação de limitação de energia
BR112015017632-1A BR112015017632B1 (pt) 2013-01-29 2014-01-28 Aparelho e método para gerar um sinal melhorado da frequência utilizando nivelamento temporal de sub-bandas

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BR112015017632-1A BR112015017632B1 (pt) 2013-01-29 2014-01-28 Aparelho e método para gerar um sinal melhorado da frequência utilizando nivelamento temporal de sub-bandas

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EP (4) EP2951825B1 (https=)
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CN (3) CN105264601B (https=)
AR (3) AR094672A1 (https=)
AU (3) AU2014211528B2 (https=)
BR (3) BR112015017866B1 (https=)
CA (3) CA2899080C (https=)
ES (3) ES2905846T3 (https=)
MX (3) MX346944B (https=)
MY (3) MY172710A (https=)
PL (1) PL2951825T3 (https=)
PT (1) PT2951825T (https=)
RU (3) RU2624104C2 (https=)
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KR20150114483A (ko) 2015-10-12
HK1218020A1 (en) 2017-01-27
HK1218019A1 (en) 2017-01-27
AU2014211528A1 (en) 2015-09-03
US20150332697A1 (en) 2015-11-19
EP2951826A1 (en) 2015-12-09
EP2951827A1 (en) 2015-12-09
RU2625945C2 (ru) 2017-07-19
CN105264601B (zh) 2019-05-31
EP2951826B1 (en) 2022-04-20
MX351191B (es) 2017-10-04
RU2624104C2 (ru) 2017-06-30
BR112015017868A2 (https=) 2017-08-22
RU2015136768A (ru) 2017-03-10
RU2015136799A (ru) 2017-03-13
MX346945B (es) 2017-04-06
ZA201506268B (en) 2016-11-30
KR101757349B1 (ko) 2017-07-14
CA2899072A1 (en) 2014-08-07
KR20150109416A (ko) 2015-10-01
CN105103228B (zh) 2019-04-09
KR101787497B1 (ko) 2017-10-18
BR112015017866A2 (pt) 2018-05-08
BR112015017632A2 (pt) 2018-05-02
SG11201505908QA (en) 2015-09-29
US9640189B2 (en) 2017-05-02
US10354665B2 (en) 2019-07-16
US9552823B2 (en) 2017-01-24
JP6301368B2 (ja) 2018-03-28
CA2899080C (en) 2018-10-02
KR101762225B1 (ko) 2017-07-28
RU2608447C1 (ru) 2017-01-18
AU2014211528B2 (en) 2016-10-20
MX2015009536A (es) 2015-10-30
US9741353B2 (en) 2017-08-22
EP3136386B1 (en) 2021-10-20
MX2015009597A (es) 2015-11-25
EP2951825A1 (en) 2015-12-09
WO2014118160A1 (en) 2014-08-07
ZA201506265B (en) 2016-07-27
US20150332707A1 (en) 2015-11-19
BR112015017632B1 (pt) 2022-06-07
AU2014211529B2 (en) 2016-12-22
MX346944B (es) 2017-04-06
AU2014211527B2 (en) 2017-03-30
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