HU0101288D0 - Method of time-domain noise suppression in telecommunication systems - Google Patents

Method of time-domain noise suppression in telecommunication systems

Info

Publication number
HU0101288D0
HU0101288D0 HU0101288A HUP0101288A HU0101288D0 HU 0101288 D0 HU0101288 D0 HU 0101288D0 HU 0101288 A HU0101288 A HU 0101288A HU P0101288 A HUP0101288 A HU P0101288A HU 0101288 D0 HU0101288 D0 HU 0101288D0
Authority
HU
Hungary
Prior art keywords
signal
noise
frequency spectrum
last
generate
Prior art date
Application number
HU0101288A
Other languages
English (en)
Inventor
Michael Walker
Original Assignee
Alcatel Alcatel
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 Alcatel Alcatel filed Critical Alcatel Alcatel
Publication of HU0101288D0 publication Critical patent/HU0101288D0/hu
Publication of HUP0101288A2 publication Critical patent/HUP0101288A2/hu

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Processing of the speech or voice signal 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Processing of the speech or voice signal 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)
  • Acoustics & Sound (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Computational Linguistics (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Quality & Reliability (AREA)
  • Signal Processing (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Noise Elimination (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Details Of Television Scanning (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
HU0101288A 2000-04-08 2001-03-29 Zajcsökkentési eljárás a távközlésben akusztikus hasznos jelek, különösen beszéd továbbításához HUP0101288A2 (hu)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE10017646A DE10017646A1 (de) 2000-04-08 2000-04-08 Geräuschunterdrückung im Zeitbereich

Publications (2)

Publication Number Publication Date
HU0101288D0 true HU0101288D0 (en) 2001-06-28
HUP0101288A2 HUP0101288A2 (hu) 2001-12-28

Family

ID=7638139

Family Applications (1)

Application Number Title Priority Date Filing Date
HU0101288A HUP0101288A2 (hu) 2000-04-08 2001-03-29 Zajcsökkentési eljárás a távközlésben akusztikus hasznos jelek, különösen beszéd továbbításához

Country Status (8)

Country Link
US (1) US6801889B2 (hu)
EP (1) EP1143416B1 (hu)
JP (1) JP2001350498A (hu)
CN (1) CN1225104C (hu)
AT (1) ATE310305T1 (hu)
AU (1) AU3336101A (hu)
DE (2) DE10017646A1 (hu)
HU (1) HUP0101288A2 (hu)

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DE10330286B4 (de) * 2003-07-04 2005-08-18 Infineon Technologies Ag Verfahren und Vorrichtung zum Übertragen von Sprachsignalen über ein Datenübertragungsnetzwerk
JP4340686B2 (ja) * 2004-03-31 2009-10-07 パイオニア株式会社 音声認識装置及び音声認識方法
US20050254629A1 (en) * 2004-05-14 2005-11-17 China Zhu X Measurement noise reduction for signal quality evaluation
DE102004036154B3 (de) * 2004-07-26 2005-12-22 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zur robusten Klassifizierung von Audiosignalen sowie Verfahren zu Einrichtung und Betrieb einer Audiosignal-Datenbank sowie Computer-Programm
US8543390B2 (en) 2004-10-26 2013-09-24 Qnx Software Systems Limited Multi-channel periodic signal enhancement system
US8306821B2 (en) * 2004-10-26 2012-11-06 Qnx Software Systems Limited Sub-band periodic signal enhancement system
US7949520B2 (en) * 2004-10-26 2011-05-24 QNX Software Sytems Co. Adaptive filter pitch extraction
US7610196B2 (en) * 2004-10-26 2009-10-27 Qnx Software Systems (Wavemakers), Inc. Periodic signal enhancement system
US8170879B2 (en) 2004-10-26 2012-05-01 Qnx Software Systems Limited Periodic signal enhancement system
US7680652B2 (en) 2004-10-26 2010-03-16 Qnx Software Systems (Wavemakers), Inc. Periodic signal enhancement system
US7716046B2 (en) * 2004-10-26 2010-05-11 Qnx Software Systems (Wavemakers), Inc. Advanced periodic signal enhancement
US8284947B2 (en) * 2004-12-01 2012-10-09 Qnx Software Systems Limited Reverberation estimation and suppression system
US8027833B2 (en) * 2005-05-09 2011-09-27 Qnx Software Systems Co. System for suppressing passing tire hiss
US7492814B1 (en) 2005-06-09 2009-02-17 The U.S. Government As Represented By The Director Of The National Security Agency Method of removing noise and interference from signal using peak picking
US7676046B1 (en) 2005-06-09 2010-03-09 The United States Of America As Represented By The Director Of The National Security Agency Method of removing noise and interference from signal
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US8311819B2 (en) * 2005-06-15 2012-11-13 Qnx Software Systems Limited System for detecting speech with background voice estimates and noise estimates
EP1930880B1 (en) 2005-09-02 2019-09-25 NEC Corporation Method and device for noise suppression, and computer program
US7599430B1 (en) * 2006-02-10 2009-10-06 Xilinx, Inc. Fading channel modeling
FR2899372B1 (fr) * 2006-04-03 2008-07-18 Adeunis Rf Sa Systeme de communication audio sans fil
US7844453B2 (en) 2006-05-12 2010-11-30 Qnx Software Systems Co. Robust noise estimation
US8335685B2 (en) 2006-12-22 2012-12-18 Qnx Software Systems Limited Ambient noise compensation system robust to high excitation noise
US8326620B2 (en) 2008-04-30 2012-12-04 Qnx Software Systems Limited Robust downlink speech and noise detector
US8850154B2 (en) 2007-09-11 2014-09-30 2236008 Ontario Inc. Processing system having memory partitioning
US8904400B2 (en) 2007-09-11 2014-12-02 2236008 Ontario Inc. Processing system having a partitioning component for resource partitioning
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WO2009140792A1 (zh) * 2008-05-21 2009-11-26 Lin Han 降低音频干扰的方法及其装置
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CN110136733B (zh) * 2018-02-02 2021-05-25 腾讯科技（深圳）有限公司 一种音频信号的解混响方法和装置
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Also Published As

Publication number Publication date
CN1225104C (zh) 2005-10-26
US20010028713A1 (en) 2001-10-11
EP1143416A3 (de) 2004-04-21
EP1143416B1 (de) 2005-11-16
HUP0101288A2 (hu) 2001-12-28
EP1143416A2 (de) 2001-10-10
JP2001350498A (ja) 2001-12-21
ATE310305T1 (de) 2005-12-15
CN1325222A (zh) 2001-12-05
US6801889B2 (en) 2004-10-05
DE10017646A1 (de) 2001-10-11
DE50108051D1 (de) 2005-12-22
AU3336101A (en) 2001-10-11

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