TR199600132A2 - Gürültü azaltici metod. - Google Patents

Gürültü azaltici metod.

Info

Publication number
TR199600132A2
TR199600132A2 TR96/00132A TR9600132A TR199600132A2 TR 199600132 A2 TR199600132 A2 TR 199600132A2 TR 96/00132 A TR96/00132 A TR 96/00132A TR 9600132 A TR9600132 A TR 9600132A TR 199600132 A2 TR199600132 A2 TR 199600132A2
Authority
TR
Turkey
Prior art keywords
noise
level
reducing
frequency spectrum
speech signal
Prior art date
Application number
TR96/00132A
Other languages
English (en)
Inventor
Joseph Chan
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Publication of TR199600132A2 publication Critical patent/TR199600132A2/tr

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00Processing 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
    • G10L21/02Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0208Noise filtering
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00Processing 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
    • G10L21/02Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0208Noise filtering
    • G10L21/0216Noise filtering characterised by the method used for estimating noise
    • G10L2021/02161Number of inputs available containing the signal or the noise to be suppressed
    • G10L2021/02163Only one microphone
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00Processing 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
    • G10L21/02Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0208Noise filtering
    • G10L21/0216Noise filtering characterised by the method used for estimating noise
    • G10L21/0232Processing in the frequency domain
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/27Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the analysis technique
TR96/00132A 1995-02-17 1996-02-16 Gürültü azaltici metod. TR199600132A2 (tr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP02933695A JP3484801B2 (ja) 1995-02-17 1995-02-17 音声信号の雑音低減方法及び装置

Publications (1)

Publication Number Publication Date
TR199600132A2 true TR199600132A2 (tr) 1996-10-21

Family

ID=12273403

Family Applications (1)

Application Number Title Priority Date Filing Date
TR96/00132A TR199600132A2 (tr) 1995-02-17 1996-02-16 Gürültü azaltici metod.

Country Status (17)

Country Link
US (1) US6032114A (tr)
EP (1) EP0727769B1 (tr)
JP (1) JP3484801B2 (tr)
KR (1) KR100414841B1 (tr)
CN (1) CN1140869A (tr)
AT (1) ATE209389T1 (tr)
AU (1) AU696187B2 (tr)
BR (1) BR9600761A (tr)
CA (1) CA2169424C (tr)
DE (1) DE69617069T2 (tr)
ES (1) ES2163585T3 (tr)
MY (1) MY121575A (tr)
PL (1) PL184098B1 (tr)
RU (1) RU2127454C1 (tr)
SG (1) SG52253A1 (tr)
TR (1) TR199600132A2 (tr)
TW (1) TW297970B (tr)

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US8355908B2 (en) 2008-03-24 2013-01-15 JVC Kenwood Corporation Audio signal processing device for noise reduction and audio enhancement, and method for the same
KR101475864B1 (ko) 2008-11-13 2014-12-23 삼성전자 주식회사 잡음 제거 장치 및 잡음 제거 방법
KR101615766B1 (ko) * 2008-12-19 2016-05-12 엘지전자 주식회사 돌발 잡음 검출기, 돌발 잡음 검출 방법 및 돌발 잡음 제거 시스템
FR2944640A1 (fr) * 2009-04-17 2010-10-22 France Telecom Procede et dispositif d'evaluation objective de la qualite vocale d'un signal de parole prenant en compte la classification du bruit de fond contenu dans le signal.
EP2673777B1 (en) * 2011-02-10 2018-12-26 Dolby Laboratories Licensing Corporation Combined suppression of noise and out-of-location signals
US8712076B2 (en) 2012-02-08 2014-04-29 Dolby Laboratories Licensing Corporation Post-processing including median filtering of noise suppression gains
US9173025B2 (en) 2012-02-08 2015-10-27 Dolby Laboratories Licensing Corporation Combined suppression of noise, echo, and out-of-location signals
US9231740B2 (en) 2013-07-12 2016-01-05 Intel Corporation Transmitter noise in system budget
US10504538B2 (en) 2017-06-01 2019-12-10 Sorenson Ip Holdings, Llc Noise reduction by application of two thresholds in each frequency band in audio signals
CN107786709A (zh) * 2017-11-09 2018-03-09 广东欧珀移动通信有限公司 通话降噪方法、装置、终端设备及计算机可读存储介质
CN111199174A (zh) * 2018-11-19 2020-05-26 北京京东尚科信息技术有限公司 信息处理方法、装置、系统和计算机可读存储介质
CN111477237B (zh) * 2019-01-04 2022-01-07 北京京东尚科信息技术有限公司 音频降噪方法、装置和电子设备
CN111429930B (zh) * 2020-03-16 2023-02-28 云知声智能科技股份有限公司 一种基于自适应采样率的降噪模型处理方法及系统
CN113035222B (zh) * 2021-02-26 2023-10-27 北京安声浩朗科技有限公司 语音降噪方法、装置、滤波器的确定方法、语音交互设备

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Also Published As

Publication number Publication date
BR9600761A (pt) 1997-12-23
TW297970B (tr) 1997-02-11
DE69617069T2 (de) 2002-07-11
PL184098B1 (pl) 2002-08-30
DE69617069D1 (de) 2002-01-03
ATE209389T1 (de) 2001-12-15
EP0727769B1 (en) 2001-11-21
ES2163585T3 (es) 2002-02-01
CA2169424C (en) 2007-07-10
CN1140869A (zh) 1997-01-22
JP3484801B2 (ja) 2004-01-06
PL312845A1 (en) 1996-08-19
MY121575A (en) 2006-02-28
EP0727769A3 (en) 1998-04-29
AU4444496A (en) 1996-08-29
AU696187B2 (en) 1998-09-03
SG52253A1 (en) 1998-09-28
CA2169424A1 (en) 1996-08-18
KR960032294A (ko) 1996-09-17
JPH08221093A (ja) 1996-08-30
RU2127454C1 (ru) 1999-03-10
US6032114A (en) 2000-02-29
KR100414841B1 (ko) 2004-03-10
EP0727769A2 (en) 1996-08-21

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