CA2899072C - Apparatus and method for generating a frequency enhanced signal using shaping of the enhancement signal - Google Patents

Apparatus and method for generating a frequency enhanced signal using shaping of the enhancement signal Download PDF

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Publication number
CA2899072C
CA2899072C CA2899072A CA2899072A CA2899072C CA 2899072 C CA2899072 C CA 2899072C CA 2899072 A CA2899072 A CA 2899072A CA 2899072 A CA2899072 A CA 2899072A CA 2899072 C CA2899072 C CA 2899072C
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signal
frequency
enhancement
core
core signal
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French (fr)
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CA2899072A1 (en
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Sascha Disch
Ralf Geiger
Christian Helmrich
Markus Multrus
Konstantin Schmidt
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Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
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Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
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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
    • G10L19/02—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
    • 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
    • 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
    • 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

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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)
  • Testing Relating To Insulation (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Picture Signal Circuits (AREA)
  • Circuit Arrangements For Discharge Lamps (AREA)
  • Stereophonic System (AREA)
  • Plasma Technology (AREA)
  • Dc-Dc Converters (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Electrotherapy Devices (AREA)
  • Error Detection And Correction (AREA)
CA2899072A 2013-01-29 2014-01-28 Apparatus and method for generating a frequency enhanced signal using shaping of the enhancement signal Active CA2899072C (en)

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

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CA2899072A1 CA2899072A1 (en) 2014-08-07
CA2899072C true CA2899072C (en) 2017-12-19

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CA2899080A Active CA2899080C (en) 2013-01-29 2014-01-28 Apparatus and method for generating a frequency enhancement signal using an energy limitation operation
CA2899078A Active CA2899078C (en) 2013-01-29 2014-01-28 Apparatus and method for generating a frequency enhanced signal using temporal smoothing of subbands
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US (4) US9640189B2 (enExample)
EP (4) EP2951826B1 (enExample)
JP (3) JP6301368B2 (enExample)
KR (3) KR101757349B1 (enExample)
CN (3) CN105229738B (enExample)
AR (3) AR094672A1 (enExample)
AU (3) AU2014211529B2 (enExample)
BR (3) BR112015017868B1 (enExample)
CA (3) CA2899080C (enExample)
ES (3) ES2905846T3 (enExample)
MX (3) MX351191B (enExample)
MY (3) MY172710A (enExample)
PL (1) PL2951825T3 (enExample)
PT (1) PT2951825T (enExample)
RU (3) RU2624104C2 (enExample)
SG (3) SG11201505908QA (enExample)
TW (2) TWI529701B (enExample)
WO (3) WO2014118160A1 (enExample)
ZA (2) ZA201506268B (enExample)

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MX2015009536A (es) 2015-10-30
BR112015017632B1 (pt) 2022-06-07
MY172161A (en) 2019-11-15
BR112015017866A2 (pt) 2018-05-08
CA2899072A1 (en) 2014-08-07
MY185159A (en) 2021-04-30
BR112015017866B1 (pt) 2021-12-21
EP2951825B1 (en) 2021-11-24
ZA201506268B (en) 2016-11-30
US9741353B2 (en) 2017-08-22
RU2624104C2 (ru) 2017-06-30
JP6301368B2 (ja) 2018-03-28
EP3136386A1 (en) 2017-03-01
AR094670A1 (es) 2015-08-19
RU2625945C2 (ru) 2017-07-19
TW201443887A (zh) 2014-11-16
EP2951825A1 (en) 2015-12-09
WO2014118160A1 (en) 2014-08-07
AU2014211528B2 (en) 2016-10-20
AU2014211527A1 (en) 2015-08-06
AU2014211529B2 (en) 2016-12-22
AR094672A1 (es) 2015-08-19
JP6321684B2 (ja) 2018-05-09
ES2905846T3 (es) 2022-04-12
AU2014211527B2 (en) 2017-03-30
CN105103228A (zh) 2015-11-25
ES2899781T3 (es) 2022-03-14
EP2951826B1 (en) 2022-04-20
KR20150109416A (ko) 2015-10-01
MX2015009598A (es) 2015-11-25
PT2951825T (pt) 2022-02-02
TW201435860A (zh) 2014-09-16
BR112015017868B1 (pt) 2022-02-15
JP2016510428A (ja) 2016-04-07
CA2899080C (en) 2018-10-02
BR112015017868A2 (enExample) 2017-08-22
MX351191B (es) 2017-10-04
CN105264601B (zh) 2019-05-31
TWI524332B (zh) 2016-03-01
SG11201505883WA (en) 2015-08-28
MY172710A (en) 2019-12-11
MX346945B (es) 2017-04-06
CA2899080A1 (en) 2014-08-07
KR20150114483A (ko) 2015-10-12
EP2951826A1 (en) 2015-12-09
EP2951827A1 (en) 2015-12-09
CN105103228B (zh) 2019-04-09
US10354665B2 (en) 2019-07-16
ES2914614T3 (es) 2022-06-14
CN105229738A (zh) 2016-01-06
US20150332697A1 (en) 2015-11-19
CN105229738B (zh) 2019-07-26
KR101787497B1 (ko) 2017-10-18
TWI529701B (zh) 2016-04-11
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