FI19992453L - Kohinanvaimennus - Google Patents

Kohinanvaimennus

Info

Publication number
FI19992453L
FI19992453L FI992453A FI19992453A FI19992453L FI 19992453 L FI19992453 L FI 19992453L FI 992453 A FI992453 A FI 992453A FI 19992453 A FI19992453 A FI 19992453A FI 19992453 L FI19992453 L FI 19992453L
Authority
FI
Finland
Prior art keywords
noise reduction
noise
reduction
Prior art date
Application number
FI992453A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI19992453A7 (fi
Inventor
Beghdad Ayad
Original Assignee
Nokia Mobile Phones 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=8555599&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=FI19992453(L) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Nokia Mobile Phones Ltd filed Critical Nokia Mobile Phones Ltd
Priority to FI992453A priority Critical patent/FI19992453L/fi
Priority to PCT/FI2000/000996 priority patent/WO2001037254A2/en
Priority to DE60026570T priority patent/DE60026570T3/de
Priority to EP00977625A priority patent/EP1242992B2/en
Priority to AU15273/01A priority patent/AU1527301A/en
Priority to JP2001537720A priority patent/JP2003514264A/ja
Priority to CNB008157294A priority patent/CN1161752C/zh
Priority to US09/713,524 priority patent/US7889874B1/en
Publication of FI19992453A7 publication Critical patent/FI19992453A7/fi
Publication of FI19992453L publication Critical patent/FI19992453L/fi

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • 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
    • 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
    • G10L21/0216—Noise filtering characterised by the method used for estimating noise
    • G10L21/0232—Processing in the frequency domain

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Computational Linguistics (AREA)
  • Quality & Reliability (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Noise Elimination (AREA)
  • Telephone Function (AREA)
FI992453A 1999-11-15 1999-11-15 Kohinanvaimennus FI19992453L (fi)

Priority Applications (8)

Application Number Priority Date Filing Date Title
FI992453A FI19992453L (fi) 1999-11-15 1999-11-15 Kohinanvaimennus
PCT/FI2000/000996 WO2001037254A2 (en) 1999-11-15 2000-11-14 A noise suppression method
DE60026570T DE60026570T3 (de) 1999-11-15 2000-11-14 Geräuschunterdrücker
EP00977625A EP1242992B2 (en) 1999-11-15 2000-11-14 A noise suppressor
AU15273/01A AU1527301A (en) 1999-11-15 2000-11-14 A noise suppressor
JP2001537720A JP2003514264A (ja) 1999-11-15 2000-11-14 雑音抑圧装置
CNB008157294A CN1161752C (zh) 1999-11-15 2000-11-14 噪声抑制器
US09/713,524 US7889874B1 (en) 1999-11-15 2000-11-15 Noise suppressor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI992453A FI19992453L (fi) 1999-11-15 1999-11-15 Kohinanvaimennus

Publications (2)

Publication Number Publication Date
FI19992453A7 FI19992453A7 (fi) 2001-05-16
FI19992453L true FI19992453L (fi) 2001-05-16

Family

ID=8555599

Family Applications (1)

Application Number Title Priority Date Filing Date
FI992453A FI19992453L (fi) 1999-11-15 1999-11-15 Kohinanvaimennus

Country Status (8)

Country Link
US (1) US7889874B1 (https=)
EP (1) EP1242992B2 (https=)
JP (1) JP2003514264A (https=)
CN (1) CN1161752C (https=)
AU (1) AU1527301A (https=)
DE (1) DE60026570T3 (https=)
FI (1) FI19992453L (https=)
WO (1) WO2001037254A2 (https=)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10137348A1 (de) * 2001-07-31 2003-02-20 Alcatel Sa Verfahren und Schaltungsanordnung zur Geräuschreduktion bei der Sprachübertragung in Kommunikationssystemen
US7133825B2 (en) * 2003-11-28 2006-11-07 Skyworks Solutions, Inc. Computationally efficient background noise suppressor for speech coding and speech recognition
JP5435204B2 (ja) * 2006-07-03 2014-03-05 日本電気株式会社 雑音抑圧の方法、装置、及びプログラム
US8068620B2 (en) * 2007-03-01 2011-11-29 Canon Kabushiki Kaisha Audio processing apparatus
EP2031583B1 (en) * 2007-08-31 2010-01-06 Harman Becker Automotive Systems GmbH Fast estimation of spectral noise power density for speech signal enhancement
KR101317813B1 (ko) * 2008-03-31 2013-10-15 (주)트란소노 노이지 음성 신호의 처리 방법과 이를 위한 장치 및 컴퓨터판독 가능한 기록매체
JP4660578B2 (ja) * 2008-08-29 2011-03-30 株式会社東芝 信号補正装置
US8160271B2 (en) 2008-10-23 2012-04-17 Continental Automotive Systems, Inc. Variable noise masking during periods of substantial silence
EP2395500B1 (en) 2010-06-11 2014-04-02 Nxp B.V. Audio device
CN103325386B (zh) 2012-03-23 2016-12-21 杜比实验室特许公司 用于信号传输控制的方法和系统
CN103886867B (zh) * 2012-12-21 2017-06-27 华为技术有限公司 一种噪声抑制装置及其方法
DE102013111784B4 (de) * 2013-10-25 2019-11-14 Intel IP Corporation Audioverarbeitungsvorrichtungen und audioverarbeitungsverfahren
CN105869649B (zh) * 2015-01-21 2020-02-21 北京大学深圳研究院 感知滤波方法和感知滤波器
US10224053B2 (en) * 2017-03-24 2019-03-05 Hyundai Motor Company Audio signal quality enhancement based on quantitative SNR analysis and adaptive Wiener filtering
CN113808608B (zh) * 2021-09-17 2023-07-25 随锐科技集团股份有限公司 一种基于时频掩蔽平滑策略的单声道噪声抑制方法和装置

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI92535C (fi) * 1992-02-14 1994-11-25 Nokia Mobile Phones Ltd Kohinan vaimennusjärjestelmä puhesignaaleille
EP0707763B1 (en) * 1993-07-07 2001-08-29 Picturetel Corporation Reduction of background noise for speech enhancement
CA2153170C (en) * 1993-11-30 2000-12-19 At&T Corp. Transmitted noise reduction in communications systems
US5544250A (en) * 1994-07-18 1996-08-06 Motorola Noise suppression system and method therefor
SE505156C2 (sv) * 1995-01-30 1997-07-07 Ericsson Telefon Ab L M Förfarande för bullerundertryckning genom spektral subtraktion
US5768473A (en) * 1995-01-30 1998-06-16 Noise Cancellation Technologies, Inc. Adaptive speech filter
US5706395A (en) 1995-04-19 1998-01-06 Texas Instruments Incorporated Adaptive weiner filtering using a dynamic suppression factor
FI100840B (fi) * 1995-12-12 1998-02-27 Nokia Mobile Phones Ltd Kohinanvaimennin ja menetelmä taustakohinan vaimentamiseksi kohinaises ta puheesta sekä matkaviestin
JP4006770B2 (ja) * 1996-11-21 2007-11-14 松下電器産業株式会社 ノイズ推定装置、ノイズ削減装置、ノイズ推定方法、及びノイズ削減方法
JPH1138998A (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
FR2771542B1 (fr) † 1997-11-21 2000-02-11 Sextant Avionique Procede de filtrage frequentiel applique au debruitage de signaux sonores mettant en oeuvre un filtre de wiener
US6088668A (en) * 1998-06-22 2000-07-11 D.S.P.C. Technologies Ltd. Noise suppressor having weighted gain smoothing
EP1081685A3 (en) * 1999-09-01 2002-04-24 TRW Inc. System and method for noise reduction using a single microphone
JP3454206B2 (ja) * 1999-11-10 2003-10-06 三菱電機株式会社 雑音抑圧装置及び雑音抑圧方法

Also Published As

Publication number Publication date
DE60026570T2 (de) 2006-12-21
CN1390348A (zh) 2003-01-08
EP1242992B1 (en) 2006-03-08
JP2003514264A (ja) 2003-04-15
US7889874B1 (en) 2011-02-15
DE60026570D1 (de) 2006-05-04
WO2001037254A2 (en) 2001-05-25
FI19992453A7 (fi) 2001-05-16
CN1161752C (zh) 2004-08-11
EP1242992B2 (en) 2009-11-25
DE60026570T3 (de) 2010-05-06
EP1242992A2 (en) 2002-09-25
AU1527301A (en) 2001-05-30
WO2001037254A3 (en) 2001-11-22

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Legal Events

Date Code Title Description
FD Application lapsed