SG11201505906RA - Apparatus and method for generating a frequency enhanced signal using temporal smoothing of subbands - Google Patents

Apparatus and method for generating a frequency enhanced signal using temporal smoothing of subbands

Info

Publication number
SG11201505906RA
SG11201505906RA SG11201505906RA SG11201505906RA SG11201505906RA SG 11201505906R A SG11201505906R A SG 11201505906RA SG 11201505906R A SG11201505906R A SG 11201505906RA SG 11201505906R A SG11201505906R A SG 11201505906RA SG 11201505906R A SG11201505906R A SG 11201505906RA
Authority
SG
Singapore
Prior art keywords
subbands
generating
enhanced signal
temporal smoothing
frequency enhanced
Prior art date
Application number
SG11201505906RA
Other languages
English (en)
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
Publication date
Application filed by Fraunhofer Ges Forschung filed Critical Fraunhofer Ges Forschung
Publication of SG11201505906RA publication Critical patent/SG11201505906RA/en

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
    • G10L19/02—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
    • G10L19/04—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
    • 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
    • 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
    • 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

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)
SG11201505906RA 2013-01-29 2014-01-28 Apparatus and method for generating a frequency enhanced signal using temporal smoothing of subbands SG11201505906RA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201361758090P 2013-01-29 2013-01-29
PCT/EP2014/051601 WO2014118160A1 (fr) 2013-01-29 2014-01-28 Appareil et procédé pour générer un signal amélioré en fréquence à l'aide d'un lissage temporel de sous-bandes

Publications (1)

Publication Number Publication Date
SG11201505906RA true SG11201505906RA (en) 2015-08-28

Family

ID=50029033

Family Applications (3)

Application Number Title Priority Date Filing Date
SG11201505883WA SG11201505883WA (en) 2013-01-29 2014-01-28 Apparatus and method for generating a frequency enhanced signal using shaping of the enhancement signal
SG11201505906RA SG11201505906RA (en) 2013-01-29 2014-01-28 Apparatus and method for generating a frequency enhanced signal using temporal smoothing of subbands
SG11201505908QA SG11201505908QA (en) 2013-01-29 2014-01-28 Apparatus and method for generating a frequency enhancement signal using an energy limitation operation

Family Applications Before (1)

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SG11201505883WA SG11201505883WA (en) 2013-01-29 2014-01-28 Apparatus and method for generating a frequency enhanced signal using shaping of the enhancement signal

Family Applications After (1)

Application Number Title Priority Date Filing Date
SG11201505908QA SG11201505908QA (en) 2013-01-29 2014-01-28 Apparatus and method for generating a frequency enhancement signal using an energy limitation operation

Country Status (20)

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

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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 (fr) 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 (fr) 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 (fr) 2018-10-02
BR112015017866B1 (pt) 2021-12-21
US10354665B2 (en) 2019-07-16
JP2016510429A (ja) 2016-04-07
RU2015136799A (ru) 2017-03-13
EP3136386B1 (fr) 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 (fr) 2014-08-07
EP3136386A1 (fr) 2017-03-01
CA2899072C (fr) 2017-12-19
CN105103228A (zh) 2015-11-25
US9640189B2 (en) 2017-05-02
BR112015017868B1 (pt) 2022-02-15
KR20150109416A (ko) 2015-10-01
BR112015017866A2 (pt) 2018-05-08
AU2014211527A1 (en) 2015-08-06
MX346945B (es) 2017-04-06
SG11201505908QA (en) 2015-09-29
US20150332697A1 (en) 2015-11-19
EP2951825A1 (fr) 2015-12-09
ES2905846T3 (es) 2022-04-12
JP2016507080A (ja) 2016-03-07
AU2014211529A1 (en) 2015-09-17
WO2014118159A1 (fr) 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 (fr) 2014-08-07
CA2899080A1 (fr) 2014-08-07
EP2951826A1 (fr) 2015-12-09
EP2951827A1 (fr) 2015-12-09
EP2951826B1 (fr) 2022-04-20
PL2951825T3 (pl) 2022-03-14
BR112015017632B1 (pt) 2022-06-07
AR094670A1 (es) 2015-08-19
CA2899078A1 (fr) 2014-08-07
CN105103228B (zh) 2019-04-09
WO2014118161A1 (fr) 2014-08-07
ZA201506265B (en) 2016-07-27
EP2951825B1 (fr) 2021-11-24
ES2914614T3 (es) 2022-06-14

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