ZA200409647B - Method and device for pitch enhancement of decoded speech - Google Patents

Method and device for pitch enhancement of decoded speech Download PDF

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Publication number
ZA200409647B
ZA200409647B ZA200409647A ZA200409647A ZA200409647B ZA 200409647 B ZA200409647 B ZA 200409647B ZA 200409647 A ZA200409647 A ZA 200409647A ZA 200409647 A ZA200409647 A ZA 200409647A ZA 200409647 B ZA200409647 B ZA 200409647B
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ZA
South Africa
Prior art keywords
post
sound signal
decoded sound
band
frequency
Prior art date
Application number
ZA200409647A
Other languages
English (en)
Inventor
Bruno Bessette
Milan Jelinek
Claude Laflamme
Roch Lefebvre
Original Assignee
Voiceage Corp
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Publication date
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=29589086&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ZA200409647(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Voiceage Corp filed Critical Voiceage Corp
Publication of ZA200409647B publication Critical patent/ZA200409647B/en

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Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00Speech 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
    • G10L21/02Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0316Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude
    • G10L21/0364Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude for improving intelligibility
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/26Pre-filtering or post-filtering
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00Speech 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
    • G10L21/02Speech enhancement, e.g. noise reduction or echo cancellation
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00Speech 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
    • G10L21/02Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0208Noise filtering
    • G10L21/0216Noise filtering characterised by the method used for estimating noise
    • G10L21/0232Processing in the frequency domain

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Stereophonic System (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Working-Up Tar And Pitch (AREA)
  • Inorganic Fibers (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Executing Machine-Instructions (AREA)
ZA200409647A 2002-05-31 2004-11-29 Method and device for pitch enhancement of decoded speech ZA200409647B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA002388352A CA2388352A1 (en) 2002-05-31 2002-05-31 A method and device for frequency-selective pitch enhancement of synthesized speed

Publications (1)

Publication Number Publication Date
ZA200409647B true ZA200409647B (en) 2006-06-28

Family

ID=29589086

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA200409647A ZA200409647B (en) 2002-05-31 2004-11-29 Method and device for pitch enhancement of decoded speech

Country Status (22)

Country Link
US (1) US7529660B2 (es)
EP (1) EP1509906B1 (es)
JP (1) JP4842538B2 (es)
KR (1) KR101039343B1 (es)
CN (1) CN100365706C (es)
AT (1) ATE399361T1 (es)
AU (1) AU2003233722B2 (es)
BR (2) BRPI0311314B1 (es)
CA (2) CA2388352A1 (es)
CY (1) CY1110439T1 (es)
DE (1) DE60321786D1 (es)
DK (1) DK1509906T3 (es)
ES (1) ES2309315T3 (es)
HK (1) HK1078978A1 (es)
MX (1) MXPA04011845A (es)
MY (1) MY140905A (es)
NO (1) NO332045B1 (es)
NZ (1) NZ536237A (es)
PT (1) PT1509906E (es)
RU (1) RU2327230C2 (es)
WO (1) WO2003102923A2 (es)
ZA (1) ZA200409647B (es)

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Also Published As

Publication number Publication date
EP1509906B1 (en) 2008-06-25
AU2003233722B2 (en) 2009-06-04
NO332045B1 (no) 2012-06-11
CN1659626A (zh) 2005-08-24
US20050165603A1 (en) 2005-07-28
WO2003102923A3 (en) 2004-09-30
NO20045717L (no) 2004-12-30
CY1110439T1 (el) 2015-04-29
DK1509906T3 (da) 2008-10-20
PT1509906E (pt) 2008-11-13
BR0311314A (pt) 2005-02-15
MY140905A (en) 2010-01-29
EP1509906A2 (en) 2005-03-02
MXPA04011845A (es) 2005-07-26
ES2309315T3 (es) 2008-12-16
CA2388352A1 (en) 2003-11-30
DE60321786D1 (de) 2008-08-07
JP2005528647A (ja) 2005-09-22
KR20050004897A (ko) 2005-01-12
BRPI0311314B1 (pt) 2018-02-14
JP4842538B2 (ja) 2011-12-21
CA2483790C (en) 2011-12-20
RU2327230C2 (ru) 2008-06-20
KR101039343B1 (ko) 2011-06-08
NZ536237A (en) 2007-05-31
WO2003102923A2 (en) 2003-12-11
US7529660B2 (en) 2009-05-05
AU2003233722A1 (en) 2003-12-19
CA2483790A1 (en) 2003-12-11
ATE399361T1 (de) 2008-07-15
RU2004138291A (ru) 2005-05-27
CN100365706C (zh) 2008-01-30
HK1078978A1 (en) 2006-03-24

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