ATE358872T1 - Verfahren und vorrichtung zur adaptiven rauschunterdrückung - Google Patents

Verfahren und vorrichtung zur adaptiven rauschunterdrückung

Info

Publication number
ATE358872T1
ATE358872T1 AT00902355T AT00902355T ATE358872T1 AT E358872 T1 ATE358872 T1 AT E358872T1 AT 00902355 T AT00902355 T AT 00902355T AT 00902355 T AT00902355 T AT 00902355T AT E358872 T1 ATE358872 T1 AT E358872T1
Authority
AT
Austria
Prior art keywords
nsr
signal
power
activity
jvadad
Prior art date
Application number
AT00902355T
Other languages
English (en)
Inventor
Ravi Chandran
Bruce E Dunne
Daniel J Marchok
Original Assignee
Tellabs Operations Inc
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 Tellabs Operations Inc filed Critical Tellabs Operations Inc
Application granted granted Critical
Publication of ATE358872T1 publication Critical patent/ATE358872T1/de

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
    • 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
    • G10L21/0232—Processing in the frequency domain
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Quality & Reliability (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Telephone Function (AREA)
  • Noise Elimination (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
AT00902355T 1999-01-07 2000-01-07 Verfahren und vorrichtung zur adaptiven rauschunterdrückung ATE358872T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11524599P 1999-01-07 1999-01-07

Publications (1)

Publication Number Publication Date
ATE358872T1 true ATE358872T1 (de) 2007-04-15

Family

ID=22360151

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00902355T ATE358872T1 (de) 1999-01-07 2000-01-07 Verfahren und vorrichtung zur adaptiven rauschunterdrückung

Country Status (10)

Country Link
US (3) US6591234B1 (de)
EP (1) EP1141948B1 (de)
AT (1) ATE358872T1 (de)
AU (1) AU2408500A (de)
CA (1) CA2358203A1 (de)
DE (1) DE60034212T2 (de)
DK (1) DK1141948T3 (de)
ES (1) ES2284475T3 (de)
PT (1) PT1141948E (de)
WO (1) WO2000041169A1 (de)

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Also Published As

Publication number Publication date
ES2284475T3 (es) 2007-11-16
US20050131678A1 (en) 2005-06-16
DE60034212T2 (de) 2008-01-17
US20090129582A1 (en) 2009-05-21
DE60034212D1 (de) 2007-05-16
WO2000041169A9 (en) 2002-04-11
PT1141948E (pt) 2007-07-12
AU2408500A (en) 2000-07-24
CA2358203A1 (en) 2000-07-13
EP1141948A1 (de) 2001-10-10
US8031861B2 (en) 2011-10-04
EP1141948B1 (de) 2007-04-04
DK1141948T3 (da) 2007-08-13
WO2000041169A1 (en) 2000-07-13
US6591234B1 (en) 2003-07-08
US7366294B2 (en) 2008-04-29

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