JP3961290B2 - 雑音抑圧装置 - Google Patents

雑音抑圧装置 Download PDF

Info

Publication number
JP3961290B2
JP3961290B2 JP2001527272A JP2001527272A JP3961290B2 JP 3961290 B2 JP3961290 B2 JP 3961290B2 JP 2001527272 A JP2001527272 A JP 2001527272A JP 2001527272 A JP2001527272 A JP 2001527272A JP 3961290 B2 JP3961290 B2 JP 3961290B2
Authority
JP
Japan
Prior art keywords
noise
signal
spectrum
input signal
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.)
Expired - Fee Related
Application number
JP2001527272A
Other languages
English (en)
Japanese (ja)
Inventor
均 松澤
泰 山崎
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Application granted granted Critical
Publication of JP3961290B2 publication Critical patent/JP3961290B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

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
JP2001527272A 1999-09-30 1999-09-30 雑音抑圧装置 Expired - Fee Related JP3961290B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP1999/005370 WO2001024167A1 (fr) 1999-09-30 1999-09-30 Dispositif antiparasite

Publications (1)

Publication Number Publication Date
JP3961290B2 true JP3961290B2 (ja) 2007-08-22

Family

ID=14236852

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2001527272A Expired - Fee Related JP3961290B2 (ja) 1999-09-30 1999-09-30 雑音抑圧装置

Country Status (3)

Country Link
US (1) US7203326B2 (US20020150265A1-20021017-M00002.png)
JP (1) JP3961290B2 (US20020150265A1-20021017-M00002.png)
WO (1) WO2001024167A1 (US20020150265A1-20021017-M00002.png)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1197288C (zh) * 2000-06-09 2005-04-13 爱得万测试株式会社 Cdma信号波形质量显示系统和方法
JP4162604B2 (ja) * 2004-01-08 2008-10-08 株式会社東芝 雑音抑圧装置及び雑音抑圧方法
EP1581026B1 (en) 2004-03-17 2015-11-11 Nuance Communications, Inc. Method for detecting and reducing noise from a microphone array
US20060035593A1 (en) * 2004-08-12 2006-02-16 Motorola, Inc. Noise and interference reduction in digitized signals
US7596231B2 (en) * 2005-05-23 2009-09-29 Hewlett-Packard Development Company, L.P. Reducing noise in an audio signal
US8849231B1 (en) * 2007-08-08 2014-09-30 Audience, Inc. System and method for adaptive power control
KR101009854B1 (ko) * 2007-03-22 2011-01-19 고려대학교 산학협력단 음성 신호의 하모닉스를 이용한 잡음 추정 방법 및 장치
US8738367B2 (en) * 2009-03-18 2014-05-27 Nec Corporation Speech signal processing device
US8577678B2 (en) * 2010-03-11 2013-11-05 Honda Motor Co., Ltd. Speech recognition system and speech recognizing method
JP5566846B2 (ja) * 2010-10-15 2014-08-06 本田技研工業株式会社 ノイズパワー推定装置及びノイズパワー推定方法並びに音声認識装置及び音声認識方法
US20120106756A1 (en) * 2010-11-01 2012-05-03 Alon Konchitsky System and method for a noise reduction switch in a communication device
US20120114140A1 (en) * 2010-11-04 2012-05-10 Noise Free Wireless, Inc. System and method for a noise reduction controller in a communication device
US9153243B2 (en) * 2011-01-27 2015-10-06 Nikon Corporation Imaging device, program, memory medium, and noise reduction method
JP6064370B2 (ja) * 2012-05-29 2017-01-25 沖電気工業株式会社 雑音抑圧装置、方法及びプログラム
US9318125B2 (en) 2013-01-15 2016-04-19 Intel Deutschland Gmbh Noise reduction devices and noise reduction methods
JP6379709B2 (ja) * 2014-06-18 2018-08-29 沖電気工業株式会社 信号処理装置、信号処理方法及びプログラム
US20160113246A1 (en) * 2014-10-27 2016-04-28 Kevin D. Donohue Noise cancelation for piezoelectric sensor recordings
AU2018225834B2 (en) * 2017-02-24 2022-12-01 Sunnybrook Research Institute Systems and methods for noise reduction in imaging
CN108831500B (zh) * 2018-05-29 2023-04-28 平安科技(深圳)有限公司 语音增强方法、装置、计算机设备及存储介质
CN112312258B (zh) * 2020-09-08 2023-04-07 深圳市逸音科技有限公司 一种具有听力防护及听力补偿的智能耳机
JP7345702B2 (ja) * 2021-03-10 2023-09-15 三菱電機株式会社 騒音抑圧装置、騒音抑圧方法、及び騒音抑圧プログラム
CN112866869B (zh) * 2021-04-09 2022-09-13 深圳市美恩微电子有限公司 一种通话时自动降噪的蓝牙耳机及其降噪方法

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4628529A (en) * 1985-07-01 1986-12-09 Motorola, Inc. Noise suppression system
US4630304A (en) * 1985-07-01 1986-12-16 Motorola, Inc. Automatic background noise estimator for a noise suppression system
JPS62204652A (ja) * 1986-03-04 1987-09-09 Nec Corp 可聴周波信号識別方式
US4811404A (en) * 1987-10-01 1989-03-07 Motorola, Inc. Noise suppression system
JP3135937B2 (ja) 1991-05-16 2001-02-19 株式会社リコー 雑音除去装置
US5251263A (en) * 1992-05-22 1993-10-05 Andrea Electronics Corporation Adaptive noise cancellation and speech enhancement system and apparatus therefor
JPH07193548A (ja) * 1993-12-25 1995-07-28 Sony Corp 雑音低減処理方法
JP3484757B2 (ja) 1994-05-13 2004-01-06 ソニー株式会社 音声信号の雑音低減方法及び雑音区間検出方法
US5544250A (en) * 1994-07-18 1996-08-06 Motorola Noise suppression system and method therefor
US5768473A (en) * 1995-01-30 1998-06-16 Noise Cancellation Technologies, Inc. Adaptive speech filter
JP2685031B2 (ja) 1995-06-30 1997-12-03 日本電気株式会社 雑音消去方法及び雑音消去装置
JPH0974596A (ja) * 1995-09-06 1997-03-18 Canon Inc 風雑音簡易モニタ装置
JP3452443B2 (ja) * 1996-03-25 2003-09-29 三菱電機株式会社 騒音下音声認識装置及び騒音下音声認識方法
JP3297307B2 (ja) * 1996-06-14 2002-07-02 沖電気工業株式会社 背景雑音消去装置
JP3418855B2 (ja) * 1996-10-30 2003-06-23 京セラ株式会社 雑音除去装置
DE19727133A1 (de) * 1997-06-26 1999-01-07 Thomson Brandt Gmbh Verfahren, Vorrichtung und Aufzeichnungsgerät zur Unterdrückung von impulsartigen Störungen in analogen Audio- und/oder Videosignalen
JPH1138999A (ja) * 1997-07-16 1999-02-12 Olympus Optical Co Ltd 雑音抑圧装置および雑音抑圧処理プログラムを記録した記録媒体
JP3444198B2 (ja) * 1997-09-16 2003-09-08 株式会社デンソー 雑音抑圧装置及び該装置を用いた音声認識システム
JP3499113B2 (ja) * 1997-09-26 2004-02-23 シャープ株式会社 雑音除去装置
JPH11338499A (ja) * 1998-05-28 1999-12-10 Kokusai Electric Co Ltd ノイズキャンセラ

Also Published As

Publication number Publication date
WO2001024167A1 (fr) 2001-04-05
US7203326B2 (en) 2007-04-10
US20020150265A1 (en) 2002-10-17

Similar Documents

Publication Publication Date Title
JP3961290B2 (ja) 雑音抑圧装置
US7873114B2 (en) Method and apparatus for quickly detecting a presence of abrupt noise and updating a noise estimate
US7174022B1 (en) Small array microphone for beam-forming and noise suppression
US6175602B1 (en) Signal noise reduction by spectral subtraction using linear convolution and casual filtering
US6487257B1 (en) Signal noise reduction by time-domain spectral subtraction using fixed filters
US6023674A (en) Non-parametric voice activity detection
KR100335162B1 (ko) 음성신호의잡음저감방법및잡음구간검출방법
EP1141948B1 (en) Method and apparatus for adaptively suppressing noise
US7912231B2 (en) Systems and methods for reducing audio noise
EP2008379B1 (en) Adjustable noise suppression system
US8515098B2 (en) Noise suppression device and noise suppression method
US8085930B2 (en) Communication system
KR101624652B1 (ko) 잡음 환경의 입력신호로부터 잡음을 제거하는 방법 및 그 장치, 잡음 환경에서 음성 신호를 강화하는 방법 및 그 장치
EP1080463B1 (en) Signal noise reduction by spectral subtraction using spectrum dependent exponential gain function averaging
WO1997022116A2 (en) A noise suppressor and method for suppressing background noise in noisy speech, and a mobile station
JP2003534570A (ja) 適応ビームフォーマーにおいてノイズを抑制する方法
CN111554315A (zh) 单通道语音增强方法及装置、存储介质、终端
JP2004341339A (ja) 雑音抑圧装置
US6507623B1 (en) Signal noise reduction by time-domain spectral subtraction
JPH09311696A (ja) 自動利得調整装置
JP3279254B2 (ja) スペクトル雑音除去装置
CN111968663B (zh) 一种回声残留判断方法
KR101993003B1 (ko) 잡음 제거 장치 및 방법
JP2020160290A (ja) 信号処理装置、信号処理システム及び信号処理方法
KR101394504B1 (ko) 적응적 잡음 처리 장치 및 방법

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20040310

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20070213

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20070410

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20070515

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20070516

R150 Certificate of patent or registration of utility model

Free format text: JAPANESE INTERMEDIATE CODE: R150

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20100525

Year of fee payment: 3

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20110525

Year of fee payment: 4

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20120525

Year of fee payment: 5

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130525

Year of fee payment: 6

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20140525

Year of fee payment: 7

LAPS Cancellation because of no payment of annual fees