DE60043115D1 - Digitales filter und entwicklungsmethode zur geräuschunterdrückung mittels spektralersubtraktion - Google Patents

Digitales filter und entwicklungsmethode zur geräuschunterdrückung mittels spektralersubtraktion

Info

Publication number
DE60043115D1
DE60043115D1 DE60043115T DE60043115T DE60043115D1 DE 60043115 D1 DE60043115 D1 DE 60043115D1 DE 60043115 T DE60043115 T DE 60043115T DE 60043115 T DE60043115 T DE 60043115T DE 60043115 D1 DE60043115 D1 DE 60043115D1
Authority
DE
Germany
Prior art keywords
spectral density
power spectral
density estimate
piece
noisy speech
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 - Lifetime
Application number
DE60043115T
Other languages
English (en)
Inventor
Anders Eriksson
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Application granted granted Critical
Publication of DE60043115D1 publication Critical patent/DE60043115D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Quality & Reliability (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Computer Hardware Design (AREA)
  • Mathematical Physics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (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)
DE60043115T 1999-09-07 2000-08-23 Digitales filter und entwicklungsmethode zur geräuschunterdrückung mittels spektralersubtraktion Expired - Lifetime DE60043115D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9903160A SE514875C2 (sv) 1999-09-07 1999-09-07 Förfarande och anordning för konstruktion av digitala filter
PCT/SE2000/001609 WO2001018961A1 (en) 1999-09-07 2000-08-23 Digital filter design method and apparatus for noise suppression by spectral substraction

Publications (1)

Publication Number Publication Date
DE60043115D1 true DE60043115D1 (de) 2009-11-19

Family

ID=20416885

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60043115T Expired - Lifetime DE60043115D1 (de) 1999-09-07 2000-08-23 Digitales filter und entwicklungsmethode zur geräuschunterdrückung mittels spektralersubtraktion

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
EP2232703B1 (de) * 2007-12-20 2014-06-18 Telefonaktiebolaget LM Ericsson (publ) Rauschunterdrückungsverfahren und vorrichtung
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
JP5383828B2 (ja) * 2009-12-25 2014-01-08 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

Family Cites Families (8)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
EP1221197B1 (de) 2009-10-07
AU6884800A (en) 2001-04-10
SE514875C2 (sv) 2001-05-07
SE9903160L (sv) 2001-03-08
US6564184B1 (en) 2003-05-13
CN1373930A (zh) 2002-10-09
SE9903160D0 (sv) 1999-09-07
CN1197243C (zh) 2005-04-13
WO2001018961A1 (en) 2001-03-15
ATE445260T1 (de) 2009-10-15
EP1221197A1 (de) 2002-07-10

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