IL153881A0 - Sub-band exponential smoothing noise canceling system - Google Patents

Sub-band exponential smoothing noise canceling system

Info

Publication number
IL153881A0
IL153881A0 IL15388101A IL15388101A IL153881A0 IL 153881 A0 IL153881 A0 IL 153881A0 IL 15388101 A IL15388101 A IL 15388101A IL 15388101 A IL15388101 A IL 15388101A IL 153881 A0 IL153881 A0 IL 153881A0
Authority
IL
Israel
Prior art keywords
sub
noise canceling
exponential smoothing
canceling system
smoothing noise
Prior art date
Application number
IL15388101A
Other languages
English (en)
Original Assignee
Andrea Electronics Corp
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=24463067&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=IL153881(A0) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Andrea Electronics Corp filed Critical Andrea Electronics Corp
Publication of IL153881A0 publication Critical patent/IL153881A0/xx

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
    • G10L19/02—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
    • G10L19/0208—Subband 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
    • G10L21/0208—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
    • 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
    • G10L21/0216—Noise filtering characterised by the method used for estimating noise
    • G10L2021/02168—Noise filtering characterised by the method used for estimating noise the estimation exclusively taking place during speech pauses

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Quality & Reliability (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Noise Elimination (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
IL15388101A 2000-07-12 2001-06-19 Sub-band exponential smoothing noise canceling system IL153881A0 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/614,875 US6377637B1 (en) 2000-07-12 2000-07-12 Sub-band exponential smoothing noise canceling system
PCT/US2001/019450 WO2002005262A2 (fr) 2000-07-12 2001-06-19 Systeme de suppression de bruit par lissage exponentiel par sous-bandes

Publications (1)

Publication Number Publication Date
IL153881A0 true IL153881A0 (en) 2003-07-31

Family

ID=24463067

Family Applications (1)

Application Number Title Priority Date Filing Date
IL15388101A IL153881A0 (en) 2000-07-12 2001-06-19 Sub-band exponential smoothing noise canceling system

Country Status (8)

Country Link
US (1) US6377637B1 (fr)
EP (1) EP1316088A2 (fr)
JP (1) JP2004502977A (fr)
CN (1) CN1460323A (fr)
AU (1) AU2001269889A1 (fr)
CA (1) CA2416128A1 (fr)
IL (1) IL153881A0 (fr)
WO (1) WO2002005262A2 (fr)

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US7383179B2 (en) * 2004-09-28 2008-06-03 Clarity Technologies, Inc. Method of cascading noise reduction algorithms to avoid speech distortion
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US7844059B2 (en) * 2005-03-16 2010-11-30 Microsoft Corporation Dereverberation of multi-channel audio streams
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US8711249B2 (en) * 2007-03-29 2014-04-29 Sony Corporation Method of and apparatus for image denoising
US8108211B2 (en) * 2007-03-29 2012-01-31 Sony Corporation Method of and apparatus for analyzing noise in a signal processing system
AT509570B1 (de) * 2007-10-02 2011-12-15 Akg Acoustics Gmbh Methode und apparat zur einkanal-sprachverbesserung basierend auf einem latenzzeitreduzierten gehörmodell
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WO2009119460A1 (fr) 2008-03-24 2009-10-01 日本ビクター株式会社 Dispositif de traitement de signal audio et procédé de traitement de signal audio
US8606573B2 (en) * 2008-03-28 2013-12-10 Alon Konchitsky Voice recognition improved accuracy in mobile environments
US20090248411A1 (en) * 2008-03-28 2009-10-01 Alon Konchitsky Front-End Noise Reduction for Speech Recognition Engine
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JP5565593B2 (ja) * 2009-10-01 2014-08-06 日本電気株式会社 信号処理方法、信号処理装置、及び信号処理プログラム
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Also Published As

Publication number Publication date
US6377637B1 (en) 2002-04-23
JP2004502977A (ja) 2004-01-29
EP1316088A2 (fr) 2003-06-04
WO2002005262A3 (fr) 2002-06-13
CN1460323A (zh) 2003-12-03
AU2001269889A1 (en) 2002-01-21
CA2416128A1 (fr) 2002-01-17
WO2002005262A2 (fr) 2002-01-17

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