SE514875C2 - Förfarande och anordning för konstruktion av digitala filter - Google Patents

Förfarande och anordning för konstruktion av digitala filter

Info

Publication number: SE514875C2
Authority: SE; Sweden
Prior art keywords: power density; high frequency; spectral; spectral power; frequency resolution
Prior art date: 1999-09-07

Application number

SE9903160A

Other languages

English (en)

Swedish (sv)

Other versions

SE9903160L (sv

SE9903160D0 (sv

Inventor

Anders Eriksson

Original Assignee

Ericsson Telefon Ab L M

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.)

1999-09-07

Filing date

1999-09-07

Publication date

2001-05-07

1999-09-07 Application filed by Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M

1999-09-07 Priority to SE9903160A priority Critical patent/SE514875C2/sv

1999-09-07 Publication of SE9903160D0 publication Critical patent/SE9903160D0/xx

2000-08-23 Priority to AU68848/00A priority patent/AU6884800A/en

2000-08-23 Priority to CN00812582.1A priority patent/CN1197243C/zh

2000-08-23 Priority to AT00957195T priority patent/ATE445260T1/de

2000-08-23 Priority to DE60043115T priority patent/DE60043115D1/de

2000-08-23 Priority to EP00957195A priority patent/EP1221197B1/de

2000-08-23 Priority to PCT/SE2000/001609 priority patent/WO2001018961A1/en

2000-09-06 Priority to US09/656,295 priority patent/US6564184B1/en

2001-03-08 Publication of SE9903160L publication Critical patent/SE9903160L/xx

2001-05-07 Publication of SE514875C2 publication Critical patent/SE514875C2/sv

Links

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238000004611 spectroscopical analysis Methods 0.000 claims 1
238000001228 spectrum Methods 0.000 abstract description 14
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238000013461 design Methods 0.000 abstract description 2
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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
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H17/00—Networks using digital techniques
- H03H17/02—Frequency selective networks

Landscapes

Engineering & Computer Science (AREA)
Physics & Mathematics (AREA)
Acoustics & Sound (AREA)
Multimedia (AREA)
Health & Medical Sciences (AREA)
Audiology, Speech & Language Pathology (AREA)
Human Computer Interaction (AREA)
Quality & Reliability (AREA)
Computational Linguistics (AREA)
Signal Processing (AREA)
Computer Hardware Design (AREA)
Mathematical Physics (AREA)
Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Noise Elimination (AREA)
Image Processing (AREA)
Apparatus For Radiation Diagnosis (AREA)
Picture Signal Circuits (AREA)

SE9903160A 1999-09-07 1999-09-07 Förfarande och anordning för konstruktion av digitala filter SE514875C2 (sv)

Priority Applications (8)

Application Number	Priority Date	Filing Date	Title
SE9903160A SE514875C2 (sv)	1999-09-07	1999-09-07	Förfarande och anordning för konstruktion av digitala filter
AU68848/00A AU6884800A (en)	1999-09-07	2000-08-23	Digital filter design method and apparatus for noise suppression by spectral substraction
CN00812582.1A CN1197243C (zh)	1999-09-07	2000-08-23	一种利用频谱减法抑制噪声的数字滤波器设计方法和装置
AT00957195T ATE445260T1 (de)	1999-09-07	2000-08-23	Digitales filter und entwicklungsmethode zur geräuschunterdrückung mittels spektralersubtraktion
DE60043115T DE60043115D1 (de)	1999-09-07	2000-08-23	Digitales filter und entwicklungsmethode zur geräuschunterdrückung mittels spektralersubtraktion
EP00957195A EP1221197B1 (de)	1999-09-07	2000-08-23	Digitales filter und entwicklungsmethode zur geräuschunterdrückung mittels spektralersubtraktion
PCT/SE2000/001609 WO2001018961A1 (en)	1999-09-07	2000-08-23	Digital filter design method and apparatus for noise suppression by spectral substraction
US09/656,295 US6564184B1 (en)	1999-09-07	2000-09-06	Digital filter design method and apparatus

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
SE9903160A SE514875C2 (sv)	1999-09-07	1999-09-07	Förfarande och anordning för konstruktion av digitala filter

Publications (3)

Publication Number	Publication Date
SE9903160D0 SE9903160D0 (sv)	1999-09-07
SE9903160L SE9903160L (sv)	2001-03-08
SE514875C2 true SE514875C2 (sv)	2001-05-07

Family

ID=20416885

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SE9903160A SE514875C2 (sv)	1999-09-07	1999-09-07	Förfarande och anordning för konstruktion av digitala filter

Country Status (8)

Country	Link
US (1)	US6564184B1 (de)
EP (1)	EP1221197B1 (de)
CN (1)	CN1197243C (de)
AT (1)	ATE445260T1 (de)
AU (1)	AU6884800A (de)
DE (1)	DE60043115D1 (de)
SE (1)	SE514875C2 (de)
WO (1)	WO2001018961A1 (de)

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US6859531B1 (en) *	2000-09-15	2005-02-22	Intel Corporation	Residual echo estimation for echo cancellation
EP1278185A3 (de) *	2001-07-13	2005-02-09	Alcatel	Verfahren zur Verbesserung von Geräuschunterdrückung bei der Sprachübertragung
US7187719B2 (en) *	2003-06-18	2007-03-06	Mindspeed Technologies, Inc.	Method and system for data rate optimization in a digital communication system
CN100336307C (zh) *	2005-04-28	2007-09-05	北京航空航天大学	接收机射频系统电路内部噪声的分配方法
CN100370519C (zh) *	2005-10-17	2008-02-20	西安交通大学	一种增强电子喉语音的方法及其系统
US20070237341A1 (en) *	2006-04-05	2007-10-11	Creative Technology Ltd	Frequency domain noise attenuation utilizing two transducers
US8761387B2 (en)	2006-05-04	2014-06-24	Mindspeed Technologies, Inc.	Analog transmit crosstalk canceller
US8300849B2 (en) *	2007-11-06	2012-10-30	Microsoft Corporation	Perceptually weighted digital audio level compression
CN101904097B (zh) *	2007-12-20	2015-05-13	艾利森电话股份有限公司	噪声抑制方法和设备
KR20090110244A (ko) *	2008-04-17	2009-10-21	삼성전자주식회사	오디오 시맨틱 정보를 이용한 오디오 신호의 부호화/복호화 방법 및 그 장치
CN101615538B (zh) *	2008-06-27	2013-01-30	上海亿盟电气自动化技术有限公司	一种脱扣器滤波方法
CN101320566B (zh) *	2008-06-30	2010-10-20	中国人民解放军第四军医大学	基于多带谱减法的非空气传导语音增强方法
CN101778183B (zh) *	2009-01-13	2013-06-05	华为终端有限公司	一种残留回声抑制方法及设备
US8229126B2 (en) *	2009-03-13	2012-07-24	Harris Corporation	Noise error amplitude reduction
WO2011077636A1 (ja) *	2009-12-25	2011-06-30	三菱電機株式会社	雑音除去装置及び雑音除去プログラム
US8600312B2 (en) *	2010-01-25	2013-12-03	Qualcomm Incorporated	Method and apparatus for spectral sensing
CN102158197A (zh) *	2010-02-11	2011-08-17	北京国能子金电气技术有限公司	变频率信号的自适应低通数字滤波器和方法
US9648421B2 (en)	2011-12-14	2017-05-09	Harris Corporation	Systems and methods for matching gain levels of transducers
CN103021420B (zh) *	2012-12-04	2015-02-25	中国科学院自动化研究所	一种基于相位调整和幅值补偿的多子带谱减法的语音增强方法
CN103632677B (zh) *	2013-11-27	2016-09-28	腾讯科技(成都)有限公司	带噪语音信号处理方法、装置及服务器
CN104143337B (zh) *	2014-01-08	2015-12-09	腾讯科技（深圳）有限公司	一种提高音频信号音质的方法和装置
EP3125429A1 (de) *	2015-07-28	2017-02-01	Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.	Adaptive filtervorrichtung der partitionierten blockfrequenzdomäne mit adaptationsmodulen und korrekturmodulen
CN105812995B (zh) *	2016-03-09	2018-11-09	西安航空学院	一种噪音滤除方法和装置
CN105877706A (zh) *	2016-03-31	2016-08-24	济南大学	一种基于改进谱减法的心音增强方法
CN105827218B (zh) *	2016-05-17	2018-04-06	中国电子科技集团公司第四十一研究所	一种对fft数据实施的噪声带限滤波方法
US10481831B2 (en) *	2017-10-02	2019-11-19	Nuance Communications, Inc.	System and method for combined non-linear and late echo suppression
EP3667420A1 (de) *	2018-12-13	2020-06-17	ASML Netherlands B.V.	Verfahren zur messung eines parameters eines lithografischen verfahrens, metrologievorrichtung
CN111239839B (zh) *	2020-02-10	2021-04-09	山东大学	一种针对频率域电磁法的频谱密度计算方法及装置

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Publication number	Priority date	Publication date	Assignee	Title
US4658426A (en) *	1985-10-10	1987-04-14	Harold Antin	Adaptive noise suppressor
IT1184023B (it) *	1985-12-17	1987-10-22	Cselt Centro Studi Lab Telecom	Procedimento e dispositivo per la codifica e decodifica del segnale vocale mediante analisi a sottobande e quantizzazione vettorariale con allocazione dinamica dei bit di codifica
CN1062963C (zh) *	1990-04-12	2001-03-07	多尔拜实验特许公司	用于产生高质量声音信号的解码器和编码器
DK173156B1 (da)	1994-10-05	2000-02-14	Damixa As	Etgrebsblandingsarmatur
SE505156C2 (sv) *	1995-01-30	1997-07-07	Ericsson Telefon Ab L M	Förfarande för bullerundertryckning genom spektral subtraktion
FI100840B (fi)	1995-12-12	1998-02-27	Nokia Mobile Phones Ltd	Kohinanvaimennin ja menetelmä taustakohinan vaimentamiseksi kohinaises ta puheesta sekä matkaviestin
US5729694A (en) *	1996-02-06	1998-03-17	The Regents Of The University Of California	Speech coding, reconstruction and recognition using acoustics and electromagnetic waves
FR2748342B1 (fr) *	1996-05-06	1998-07-17	France Telecom	Procede et dispositif de filtrage par egalisation d'un signal de parole, mettant en oeuvre un modele statistique de ce signal

1999
- 1999-09-07 SE SE9903160A patent/SE514875C2/sv not_active IP Right Cessation
2000
- 2000-08-23 AT AT00957195T patent/ATE445260T1/de not_active IP Right Cessation
- 2000-08-23 AU AU68848/00A patent/AU6884800A/en not_active Abandoned
- 2000-08-23 DE DE60043115T patent/DE60043115D1/de not_active Expired - Lifetime
- 2000-08-23 WO PCT/SE2000/001609 patent/WO2001018961A1/en not_active Ceased
- 2000-08-23 CN CN00812582.1A patent/CN1197243C/zh not_active Expired - Fee Related
- 2000-08-23 EP EP00957195A patent/EP1221197B1/de not_active Expired - Lifetime
- 2000-09-06 US US09/656,295 patent/US6564184B1/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
DE60043115D1 (de)	2009-11-19
US6564184B1 (en)	2003-05-13
CN1373930A (zh)	2002-10-09
CN1197243C (zh)	2005-04-13
WO2001018961A1 (en)	2001-03-15
EP1221197A1 (de)	2002-07-10
AU6884800A (en)	2001-04-10
SE9903160L (sv)	2001-03-08
SE9903160D0 (sv)	1999-09-07
ATE445260T1 (de)	2009-10-15
EP1221197B1 (de)	2009-10-07

Legal Events

Date	Code	Title	Description
2010-05-05	NUG	Patent has lapsed

Publication	Publication Date	Title
SE514875C2 (sv)	2001-05-07	Förfarande och anordning för konstruktion av digitala filter
KR101120679B1 (ko)	2012-03-23	이득-제한된 잡음 억제
US6804640B1 (en)	2004-10-12	Signal noise reduction using magnitude-domain spectral subtraction
KR101253102B1 (ko)	2013-04-10	음성인식을 위한 모델기반 왜곡 보상형 잡음 제거 장치 및 방법
JP2003534570A (ja)	2003-11-18	適応ビームフォーマーにおいてノイズを抑制する方法
US6343268B1 (en)	2002-01-29	Estimator of independent sources from degenerate mixtures
CN110634497A (zh)	2019-12-31	降噪方法、装置、终端设备及存储介质
JP2002510930A (ja)	2002-04-09	多重非相関化法を用いた未知の混在ソースの分離
SE505156C2 (sv)	1997-07-07	Förfarande för bullerundertryckning genom spektral subtraktion
SE506034C2 (sv)	1997-11-03	Förfarande och anordning för förbättring av parametrar representerande brusigt tal
JP2005518118A (ja)	2005-06-16	周波数解析のためのフィルタセット
JP3588030B2 (ja)	2004-11-10	音声区間判定装置及び音声区間判定方法
JP2836271B2 (ja)	1998-12-14	雑音除去装置
WO2006041735A2 (en)	2006-04-20	Reverberation removal
JP4816711B2 (ja)	2011-11-16	通話音声処理装置および通話音声処理方法
JP2014126856A (ja)	2014-07-07	雑音除去装置及びその制御方法
Dharanipragada et al.	2001	MVDR based feature extraction for robust speech recognition
FanChiang et al.	2014	Low complexity formant estimation adaptive feedback cancellation for hearing aids using pitch based processing
JP4434813B2 (ja)	2010-03-17	雑音スペクトル推定方法、雑音抑圧方法および雑音抑圧装置
JP2000330597A (ja)	2000-11-30	雑音抑圧装置
Guido et al.	2005	Trying different wavelets on the search for voice disorders sorting
KR101096091B1 (ko)	2011-12-19	음성 분리 장치 및 이를 이용한 단일 채널 음성 분리 방법
JP2003044077A (ja)	2003-02-14	音声特徴量抽出方法と装置及びプログラム
Yamashita et al.	2002	Spectral subtraction iterated with weighting factors
Uhle et al.	2008	Speech enhancement of movie sound