AU2002359445A1 - Method and apparatus for removing noise from electronic signals - Google Patents

Method and apparatus for removing noise from electronic signals

Info

Publication number
AU2002359445A1
AU2002359445A1 AU2002359445A AU2002359445A AU2002359445A1 AU 2002359445 A1 AU2002359445 A1 AU 2002359445A1 AU 2002359445 A AU2002359445 A AU 2002359445A AU 2002359445 A AU2002359445 A AU 2002359445A AU 2002359445 A1 AU2002359445 A1 AU 2002359445A1
Authority
AU
Australia
Prior art keywords
electronic signals
removing noise
noise
signals
electronic
Prior art date
Legal status (The legal status 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 status listed.)
Abandoned
Application number
AU2002359445A
Other languages
English (en)
Inventor
Gregory C. Burnett
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AliphCom LLC
Original Assignee
AliphCom LLC
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 AliphCom LLC filed Critical AliphCom LLC
Publication of AU2002359445A1 publication Critical patent/AU2002359445A1/en
Abandoned legal-status Critical Current

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
    • G10L2021/02161—Number of inputs available containing the signal or the noise to be suppressed
    • G10L2021/02165—Two microphones, one receiving mainly the noise signal and the other one mainly the speech signal
    • 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
    • G10L25/78—Detection of presence or absence of voice signals

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)
  • Circuit For Audible Band Transducer (AREA)
AU2002359445A 2001-11-21 2002-11-21 Method and apparatus for removing noise from electronic signals Abandoned AU2002359445A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US32220201P 2001-11-21 2001-11-21
US60/322,202 2001-11-21
PCT/US2002/037399 WO2004056298A1 (en) 2001-11-21 2002-11-21 Method and apparatus for removing noise from electronic signals

Publications (1)

Publication Number Publication Date
AU2002359445A1 true AU2002359445A1 (en) 2004-07-14

Family

ID=32680708

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2002359445A Abandoned AU2002359445A1 (en) 2001-11-21 2002-11-21 Method and apparatus for removing noise from electronic signals

Country Status (6)

Country Link
EP (1) EP1480589A1 (ko)
JP (1) JP2005529379A (ko)
KR (1) KR100936093B1 (ko)
CN (1) CN1589127A (ko)
AU (1) AU2002359445A1 (ko)
WO (1) WO2004056298A1 (ko)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8019091B2 (en) * 2000-07-19 2011-09-13 Aliphcom, Inc. Voice activity detector (VAD) -based multiple-microphone acoustic noise suppression
EP1555968B1 (en) 2002-10-17 2018-10-31 Rehabtronics Inc. Method and apparatus for controlling a device or process with vibrations generated by tooth clicks
US9066186B2 (en) 2003-01-30 2015-06-23 Aliphcom Light-based detection for acoustic applications
US9099094B2 (en) 2003-03-27 2015-08-04 Aliphcom Microphone array with rear venting
GB0725110D0 (en) * 2007-12-21 2008-01-30 Wolfson Microelectronics Plc Gain control based on noise level
JP5555987B2 (ja) * 2008-07-11 2014-07-23 富士通株式会社 雑音抑圧装置、携帯電話機、雑音抑圧方法及びコンピュータプログラム
JP2010152240A (ja) 2008-12-26 2010-07-08 Panasonic Corp 騒音制御装置
US8189799B2 (en) * 2009-04-09 2012-05-29 Harman International Industries, Incorporated System for active noise control based on audio system output
JP2014194437A (ja) * 2011-06-24 2014-10-09 Nec Corp 音声処理装置、音声処理方法および音声処理プログラム
EP2541547A1 (en) * 2011-06-30 2013-01-02 Thomson Licensing Method and apparatus for changing the relative positions of sound objects contained within a higher-order ambisonics representation
KR101968158B1 (ko) * 2017-05-29 2019-08-13 주식회사 에스원 유효 신호 분리 장치 및 방법
JP7447796B2 (ja) * 2018-10-15 2024-03-12 ソニーグループ株式会社 音声信号処理装置、雑音抑圧方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3176474B2 (ja) * 1992-06-03 2001-06-18 沖電気工業株式会社 適応ノイズキャンセラ装置
US5459814A (en) * 1993-03-26 1995-10-17 Hughes Aircraft Company Voice activity detector for speech signals in variable background noise
US5406622A (en) * 1993-09-02 1995-04-11 At&T Corp. Outbound noise cancellation for telephonic handset
JP2758846B2 (ja) * 1995-02-27 1998-05-28 埼玉日本電気株式会社 ノイズキャンセラ装置
JP2874679B2 (ja) * 1997-01-29 1999-03-24 日本電気株式会社 雑音消去方法及びその装置
US6430295B1 (en) * 1997-07-11 2002-08-06 Telefonaktiebolaget Lm Ericsson (Publ) Methods and apparatus for measuring signal level and delay at multiple sensors

Also Published As

Publication number Publication date
JP2005529379A (ja) 2005-09-29
KR20040077661A (ko) 2004-09-06
WO2004056298A1 (en) 2004-07-08
CN1589127A (zh) 2005-03-02
EP1480589A1 (en) 2004-12-01
KR100936093B1 (ko) 2010-01-11

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase