AU2001284414A1 - Noise suppressor and noise suppressing method - Google Patents

Noise suppressor and noise suppressing method

Info

Publication number
AU2001284414A1
AU2001284414A1 AU2001284414A AU8441401A AU2001284414A1 AU 2001284414 A1 AU2001284414 A1 AU 2001284414A1 AU 2001284414 A AU2001284414 A AU 2001284414A AU 8441401 A AU8441401 A AU 8441401A AU 2001284414 A1 AU2001284414 A1 AU 2001284414A1
Authority
AU
Australia
Prior art keywords
noise
suppressing method
suppressor
noise suppressor
noise suppressing
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
AU2001284414A
Inventor
Koji Yoshida
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of AU2001284414A1 publication Critical patent/AU2001284414A1/en
Abandoned legal-status Critical Current

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
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L2025/783—Detection of presence or absence of voice signals based on threshold decision
AU2001284414A 2000-08-31 2001-08-30 Noise suppressor and noise suppressing method Abandoned AU2001284414A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2000-264196 2000-08-31
JP2000264196A JP3566197B2 (en) 2000-08-31 2000-08-31 Noise suppression device and noise suppression method
PCT/JP2001/007452 WO2002019318A1 (en) 2000-08-31 2001-08-30 Noise suppressor and noise suppressing method

Publications (1)

Publication Number Publication Date
AU2001284414A1 true AU2001284414A1 (en) 2002-03-13

Family

ID=18751646

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001284414A Abandoned AU2001284414A1 (en) 2000-08-31 2001-08-30 Noise suppressor and noise suppressing method

Country Status (5)

Country Link
US (1) US7054808B2 (en)
JP (1) JP3566197B2 (en)
AU (1) AU2001284414A1 (en)
GB (1) GB2371193B (en)
WO (1) WO2002019318A1 (en)

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JP4968355B2 (en) * 2010-03-24 2012-07-04 日本電気株式会社 Method and apparatus for noise suppression
US8666092B2 (en) * 2010-03-30 2014-03-04 Cambridge Silicon Radio Limited Noise estimation
US8473287B2 (en) 2010-04-19 2013-06-25 Audience, Inc. Method for jointly optimizing noise reduction and voice quality in a mono or multi-microphone system
US8538035B2 (en) * 2010-04-29 2013-09-17 Audience, Inc. Multi-microphone robust noise suppression
US8781137B1 (en) 2010-04-27 2014-07-15 Audience, Inc. Wind noise detection and suppression
US9558755B1 (en) 2010-05-20 2017-01-31 Knowles Electronics, Llc Noise suppression assisted automatic speech recognition
US8447596B2 (en) 2010-07-12 2013-05-21 Audience, Inc. Monaural noise suppression based on computational auditory scene analysis
JP2012058358A (en) * 2010-09-07 2012-03-22 Sony Corp Noise suppression apparatus, noise suppression method and program
JP5614261B2 (en) * 2010-11-25 2014-10-29 富士通株式会社 Noise suppression device, noise suppression method, and program
US9640194B1 (en) 2012-10-04 2017-05-02 Knowles Electronics, Llc Noise suppression for speech processing based on machine-learning mask estimation
JP6135106B2 (en) * 2012-11-29 2017-05-31 富士通株式会社 Speech enhancement device, speech enhancement method, and computer program for speech enhancement
JP6300464B2 (en) * 2013-08-09 2018-03-28 キヤノン株式会社 Audio processing device
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CN106199549B (en) * 2016-06-30 2019-01-22 南京理工大学 A method of LFMCW radar signal-to-noise ratio is promoted using spectrum-subtraction
DE102019214220A1 (en) * 2019-09-18 2021-03-18 Sivantos Pte. Ltd. Method for operating a hearing aid and hearing aid

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Also Published As

Publication number Publication date
GB2371193B (en) 2005-01-12
JP2002073066A (en) 2002-03-12
WO2002019318A1 (en) 2002-03-07
GB0209894D0 (en) 2002-06-05
GB2371193A (en) 2002-07-17
JP3566197B2 (en) 2004-09-15
US20020156623A1 (en) 2002-10-24
US7054808B2 (en) 2006-05-30

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