BR112015017866A2 - 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.

Info

Publication number
BR112015017866A2
BR112015017866A2 BR112015017866A BR112015017866A BR112015017866A2 BR 112015017866 A2 BR112015017866 A2 BR 112015017866A2 BR 112015017866 A BR112015017866 A BR 112015017866A BR 112015017866 A BR112015017866 A BR 112015017866A BR 112015017866 A2 BR112015017866 A2 BR 112015017866A2
Authority
BR
Brazil
Prior art keywords
generating
signal
frequency enhanced
formation
enhancement
Prior art date
Application number
BR112015017866A
Other languages
English (en)
Other versions
BR112015017866B1 (pt
Inventor
Sascha Disch
Ralf Geiger
Christian Helmrich
Markus Multrus
Konstantin Schmidt
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
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Application filed by Fraunhofer Ges Forschung filed Critical Fraunhofer Ges Forschung
Publication of BR112015017866A2 publication Critical patent/BR112015017866A2/pt
Publication of BR112015017866B1 publication Critical patent/BR112015017866B1/pt

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
    • G10L19/08—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

Landscapes

  • 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)
  • Picture Signal Circuits (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Superheterodyne Receivers (AREA)
  • Testing Relating To Insulation (AREA)
  • Stereophonic System (AREA)
  • Circuit Arrangements For Discharge Lamps (AREA)
  • Dc-Dc Converters (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Error Detection And Correction (AREA)
  • Plasma Technology (AREA)
  • Electrotherapy Devices (AREA)
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)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
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

Publications (2)

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

Family

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Family Applications (3)

Application Number Title Priority Date Filing Date
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
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

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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

Country Status (20)

Country Link
US (4) US9640189B2 (pt)
EP (4) EP2951826B1 (pt)
JP (3) JP6289507B2 (pt)
KR (3) KR101757349B1 (pt)
CN (3) CN105229738B (pt)
AR (3) AR094671A1 (pt)
AU (3) AU2014211527B2 (pt)
BR (3) BR112015017868B1 (pt)
CA (3) CA2899078C (pt)
ES (3) ES2905846T3 (pt)
HK (2) HK1218019A1 (pt)
MX (3) MX346944B (pt)
MY (3) MY172161A (pt)
PL (1) PL2951825T3 (pt)
PT (1) PT2951825T (pt)
RU (3) RU2608447C1 (pt)
SG (3) SG11201505883WA (pt)
TW (2) TWI524332B (pt)
WO (3) WO2014118159A1 (pt)
ZA (2) ZA201506265B (pt)

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Publication number Publication date
RU2608447C1 (ru) 2017-01-18
RU2624104C2 (ru) 2017-06-30
CN105264601B (zh) 2019-05-31
AU2014211527B2 (en) 2017-03-30
MX346944B (es) 2017-04-06
MX2015009598A (es) 2015-11-25
PT2951825T (pt) 2022-02-02
TW201435860A (zh) 2014-09-16
MY185159A (en) 2021-04-30
TW201443887A (zh) 2014-11-16
JP6321684B2 (ja) 2018-05-09
US20150332707A1 (en) 2015-11-19
US9552823B2 (en) 2017-01-24
AU2014211529B2 (en) 2016-12-22
MX2015009536A (es) 2015-10-30
BR112015017868A2 (pt) 2017-08-22
ZA201506268B (en) 2016-11-30
CN105229738B (zh) 2019-07-26
MY172161A (en) 2019-11-15
US20150332706A1 (en) 2015-11-19
CN105264601A (zh) 2016-01-20
MX2015009597A (es) 2015-11-25
TWI524332B (zh) 2016-03-01
ES2899781T3 (es) 2022-03-14
HK1218019A1 (zh) 2017-01-27
AU2014211528B2 (en) 2016-10-20
AR094672A1 (es) 2015-08-19
BR112015017632A2 (pt) 2018-05-02
CA2899078C (en) 2018-09-25
MX351191B (es) 2017-10-04
AU2014211528A1 (en) 2015-09-03
TWI529701B (zh) 2016-04-11
KR20150108395A (ko) 2015-09-25
JP2016510428A (ja) 2016-04-07
US9741353B2 (en) 2017-08-22
KR101762225B1 (ko) 2017-07-28
CN105229738A (zh) 2016-01-06
CA2899080C (en) 2018-10-02
BR112015017866B1 (pt) 2021-12-21
US10354665B2 (en) 2019-07-16
JP2016510429A (ja) 2016-04-07
RU2015136799A (ru) 2017-03-13
EP3136386B1 (en) 2021-10-20
US20170323651A1 (en) 2017-11-09
RU2015136768A (ru) 2017-03-10
KR101787497B1 (ko) 2017-10-18
SG11201505883WA (en) 2015-08-28
JP6301368B2 (ja) 2018-03-28
WO2014118160A1 (en) 2014-08-07
EP3136386A1 (en) 2017-03-01
CA2899072C (en) 2017-12-19
CN105103228A (zh) 2015-11-25
US9640189B2 (en) 2017-05-02
SG11201505906RA (en) 2015-08-28
BR112015017868B1 (pt) 2022-02-15
KR20150109416A (ko) 2015-10-01
AU2014211527A1 (en) 2015-08-06
MX346945B (es) 2017-04-06
SG11201505908QA (en) 2015-09-29
US20150332697A1 (en) 2015-11-19
EP2951825A1 (en) 2015-12-09
ES2905846T3 (es) 2022-04-12
JP2016507080A (ja) 2016-03-07
AU2014211529A1 (en) 2015-09-17
WO2014118159A1 (en) 2014-08-07
RU2625945C2 (ru) 2017-07-19
KR101757349B1 (ko) 2017-07-14
MY172710A (en) 2019-12-11
KR20150114483A (ko) 2015-10-12
JP6289507B2 (ja) 2018-03-07
AR094671A1 (es) 2015-08-19
HK1218020A1 (zh) 2017-01-27
CA2899072A1 (en) 2014-08-07
CA2899080A1 (en) 2014-08-07
EP2951826A1 (en) 2015-12-09
EP2951827A1 (en) 2015-12-09
EP2951826B1 (en) 2022-04-20
PL2951825T3 (pl) 2022-03-14
BR112015017632B1 (pt) 2022-06-07
AR094670A1 (es) 2015-08-19
CA2899078A1 (en) 2014-08-07
CN105103228B (zh) 2019-04-09
WO2014118161A1 (en) 2014-08-07
ZA201506265B (en) 2016-07-27
EP2951825B1 (en) 2021-11-24
ES2914614T3 (es) 2022-06-14

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