+

AU1352599A - Noise reduction apparatus and noise reduction method - Google Patents

Noise reduction apparatus and noise reduction method

Info

Publication number
AU1352599A
AU1352599A AU13525/99A AU1352599A AU1352599A AU 1352599 A AU1352599 A AU 1352599A AU 13525/99 A AU13525/99 A AU 13525/99A AU 1352599 A AU1352599 A AU 1352599A AU 1352599 A AU1352599 A AU 1352599A
Authority
AU
Australia
Prior art keywords
noise reduction
reduction method
reduction apparatus
noise
reduction
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.)
Granted
Application number
AU13525/99A
Other versions
AU721270B2 (en
Inventor
Kazutaka Tomita
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric 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
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of AU1352599A publication Critical patent/AU1352599A/en
Application granted granted Critical
Publication of AU721270B2 publication Critical patent/AU721270B2/en
Anticipated expiration legal-status Critical
Ceased 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
    • 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
    • G10L25/78—Detection of presence or absence of voice signals
    • G10L25/84—Detection of presence or absence of voice signals for discriminating voice from noise

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Quality & Reliability (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)
  • Noise Elimination (AREA)
AU13525/99A 1998-03-30 1998-12-07 Noise reduction apparatus and noise reduction method Ceased AU721270B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP8417498 1998-03-30
JP10/84174 1998-03-30
PCT/JP1998/005512 WO1999050825A1 (en) 1998-03-30 1998-12-07 Noise reduction device and a noise reduction method

Publications (2)

Publication Number Publication Date
AU1352599A true AU1352599A (en) 1999-10-18
AU721270B2 AU721270B2 (en) 2000-06-29

Family

ID=13823136

Family Applications (1)

Application Number Title Priority Date Filing Date
AU13525/99A Ceased AU721270B2 (en) 1998-03-30 1998-12-07 Noise reduction apparatus and noise reduction method

Country Status (6)

Country Link
EP (1) EP0992978A4 (en)
KR (1) KR100314332B1 (en)
CN (1) CN1258368A (en)
AU (1) AU721270B2 (en)
CA (1) CA2291826A1 (en)
WO (1) WO1999050825A1 (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4162604B2 (en) 2004-01-08 2008-10-08 株式会社東芝 Noise suppression device and noise suppression method
CN101027719B (en) * 2004-10-28 2010-05-05 富士通株式会社 noise suppression device
JP4873913B2 (en) 2004-12-17 2012-02-08 学校法人早稲田大学 Sound source separation system, sound source separation method, and acoustic signal acquisition apparatus
GB2422237A (en) * 2004-12-21 2006-07-19 Fluency Voice Technology Ltd Dynamic coefficients determined from temporally adjacent speech frames
JP4958303B2 (en) * 2005-05-17 2012-06-20 ヤマハ株式会社 Noise suppression method and apparatus
KR100686382B1 (en) 2005-07-08 2007-02-22 엔에이치엔(주) Messenger notification system and method using sink server
CN1822092B (en) * 2006-03-28 2010-05-26 北京中星微电子有限公司 Method and its device for elliminating background noise in speech input
CN101166232B (en) * 2006-10-19 2010-05-12 华晶科技股份有限公司 Method for eliminating motor sound and digital image capturing device thereof
WO2009038136A1 (en) * 2007-09-19 2009-03-26 Nec Corporation Noise suppression device, its method, and program
US20120143604A1 (en) * 2010-12-07 2012-06-07 Rita Singh Method for Restoring Spectral Components in Denoised Speech Signals
JP6182895B2 (en) 2012-05-01 2017-08-23 株式会社リコー Processing apparatus, processing method, program, and processing system
JP6216546B2 (en) * 2013-06-18 2017-10-18 パイオニア株式会社 Noise reduction device, broadcast reception device, and noise reduction method
JP2015206874A (en) 2014-04-18 2015-11-19 富士通株式会社 Signal processing apparatus, signal processing method, and program
JP6687453B2 (en) * 2016-04-12 2020-04-22 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカＰａｎａｓｏｎｉｃ Ｉｎｔｅｌｌｅｃｔｕａｌ Ｐｒｏｐｅｒｔｙ Ｃｏｒｐｏｒａｔｉｏｎ ｏｆ Ａｍｅｒｉｃａ Stereo playback device
JP6668995B2 (en) * 2016-07-27 2020-03-18 富士通株式会社 Noise suppression device, noise suppression method, and computer program for noise suppression
CN108831500B (en) * 2018-05-29 2023-04-28 平安科技（深圳）有限公司 Speech enhancement method, device, computer equipment and storage medium

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8801014D0 (en) * 1988-01-18 1988-02-17 British Telecomm Noise reduction
US5710862A (en) * 1993-06-30 1998-01-20 Motorola, Inc. Method and apparatus for reducing an undesirable characteristic of a spectral estimate of a noise signal between occurrences of voice signals
PL174216B1 (en) * 1993-11-30 1998-06-30 At And T Corp Transmission noise reduction in telecommunication systems
JP3565226B2 (en) * 1993-12-06 2004-09-15 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ Noise reduction system, noise reduction device, and mobile radio station including the device
JP3437264B2 (en) * 1994-07-07 2003-08-18 パナソニック モバイルコミュニケーションズ株式会社 Noise suppression device
SE505156C2 (en) * 1995-01-30 1997-07-07 Ericsson Telefon Ab L M Procedure for noise suppression by spectral subtraction
JP3451146B2 (en) * 1995-02-17 2003-09-29 株式会社日立製作所 Denoising system and method using spectral subtraction
JP3484801B2 (en) * 1995-02-17 2004-01-06 ソニー株式会社 Method and apparatus for reducing noise of audio signal

Also Published As

Publication number Publication date
KR20000076037A (en) 2000-12-26
CN1258368A (en) 2000-06-28
CA2291826A1 (en) 1999-10-07
KR100314332B1 (en) 2001-11-16
AU721270B2 (en) 2000-06-29
EP0992978A4 (en) 2002-01-16
WO1999050825A1 (en) 1999-10-07
EP0992978A1 (en) 2000-04-12

Similar Documents

Publication Publication Date Title
AU1793599A (en) Noise reduction method and apparatus
AU5230999A (en) Stress reduction apparatus and method
AUPP398898A0 (en) Diagnostic method and apparatus
AU6417498A (en) Method and apparatus for reducing spread-spectrum noise
AU3970899A (en) Ferrographic method and apparatus
AU6420699A (en) Document facing method and apparatus
AU6507999A (en) Catheter apparatus and method
AU5278698A (en) Noise canceling method and apparatus for the same
AU2233399A (en) Plating apparatus and method
AU1160801A (en) Apparatus and method
AUPP962599A0 (en) Application apparatus and method
AU2317899A (en) Gerd treatment apparatus and method
AU5819699A (en) Gaming apparatus and method
AU5924799A (en) Interference canceling method and apparatus
AU1078700A (en) Exposure method and exposure apparatus
AU7484500A (en) Cargo-transfer apparatus and method
AU1811200A (en) X-ray method and apparatus
AU4439699A (en) Painting apparatus and method
AU2001269947A1 (en) Noise reduction method and apparatus
AUPP855599A0 (en) Apparatus and method
AUPP754398A0 (en) Method and apparatus for compsting
AU1352599A (en) Noise reduction apparatus and noise reduction method
GB2319690B (en) Noise suppressing transmitter and noise suppressing method
AU8050998A (en) Method and apparatus for low complexity noise reduction
AU3729999A (en) Exposure method and apparatus

Legal Events

Date Code Title Description
FGA Letters patent sealed or granted (standard patent)
点击 这是indexloc提供的php浏览器服务，不要输入任何密码和下载