PT1700294E - Método e dispositivo para melhorar os sinais de voz na presença de ruído de fundo - Google Patents

Método e dispositivo para melhorar os sinais de voz na presença de ruído de fundo Download PDF

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Publication number
PT1700294E
PT1700294E PT04802378T PT04802378T PT1700294E PT 1700294 E PT1700294 E PT 1700294E PT 04802378 T PT04802378 T PT 04802378T PT 04802378 T PT04802378 T PT 04802378T PT 1700294 E PT1700294 E PT 1700294E
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PT
Portugal
Prior art keywords
frequency
frequency bins
scaling gain
speech signal
value
Prior art date
Application number
PT04802378T
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English (en)
Inventor
Milan Jelinek
Original Assignee
Nokia Corp
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Publication of PT1700294E publication Critical patent/PT1700294E/pt

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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
    • 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
    • G10L21/0208—Noise filtering
    • 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

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Signal Processing (AREA)
  • Computational Linguistics (AREA)
  • Quality & Reliability (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Noise Elimination (AREA)
  • Telephone Function (AREA)
  • Devices For Executing Special Programs (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
PT04802378T 2003-12-29 2004-12-29 Método e dispositivo para melhorar os sinais de voz na presença de ruído de fundo PT1700294E (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA002454296A CA2454296A1 (en) 2003-12-29 2003-12-29 Method and device for speech enhancement in the presence of background noise

Publications (1)

Publication Number Publication Date
PT1700294E true PT1700294E (pt) 2009-09-28

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Family Applications (1)

Application Number Title Priority Date Filing Date
PT04802378T PT1700294E (pt) 2003-12-29 2004-12-29 Método e dispositivo para melhorar os sinais de voz na presença de ruído de fundo

Country Status (19)

Country Link
US (1) US8577675B2 (pt)
EP (1) EP1700294B1 (pt)
JP (1) JP4440937B2 (pt)
KR (1) KR100870502B1 (pt)
CN (1) CN100510672C (pt)
AT (1) ATE441177T1 (pt)
AU (1) AU2004309431C1 (pt)
BR (1) BRPI0418449A (pt)
CA (2) CA2454296A1 (pt)
DE (1) DE602004022862D1 (pt)
ES (1) ES2329046T3 (pt)
HK (1) HK1099946A1 (pt)
MX (1) MXPA06007234A (pt)
MY (1) MY141447A (pt)
PT (1) PT1700294E (pt)
RU (1) RU2329550C2 (pt)
TW (1) TWI279776B (pt)
WO (1) WO2005064595A1 (pt)
ZA (1) ZA200606215B (pt)

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Publication number Publication date
CN100510672C (zh) 2009-07-08
US8577675B2 (en) 2013-11-05
AU2004309431C1 (en) 2009-03-19
KR20060128983A (ko) 2006-12-14
MY141447A (en) 2010-04-30
EP1700294B1 (en) 2009-08-26
US20050143989A1 (en) 2005-06-30
RU2329550C2 (ru) 2008-07-20
JP2007517249A (ja) 2007-06-28
DE602004022862D1 (de) 2009-10-08
RU2006126530A (ru) 2008-02-10
ATE441177T1 (de) 2009-09-15
AU2004309431A1 (en) 2005-07-14
CN1918461A (zh) 2007-02-21
BRPI0418449A (pt) 2007-05-22
HK1099946A1 (en) 2007-08-31
JP4440937B2 (ja) 2010-03-24
CA2550905A1 (en) 2005-07-14
EP1700294A4 (en) 2007-02-28
TW200531006A (en) 2005-09-16
EP1700294A1 (en) 2006-09-13
WO2005064595A1 (en) 2005-07-14
MXPA06007234A (es) 2006-08-18
KR100870502B1 (ko) 2008-11-25
CA2454296A1 (en) 2005-06-29
ZA200606215B (en) 2007-11-28
CA2550905C (en) 2010-12-14
ES2329046T3 (es) 2009-11-20
AU2004309431B2 (en) 2008-10-02
TWI279776B (en) 2007-04-21

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