DE60026570T3 - Geräuschunterdrücker - Google Patents
Geräuschunterdrücker Download PDFInfo
- Publication number
- DE60026570T3 DE60026570T3 DE60026570T DE60026570T DE60026570T3 DE 60026570 T3 DE60026570 T3 DE 60026570T3 DE 60026570 T DE60026570 T DE 60026570T DE 60026570 T DE60026570 T DE 60026570T DE 60026570 T3 DE60026570 T3 DE 60026570T3
- Authority
- DE
- Germany
- Prior art keywords
- noise
- estimate
- speech
- signal
- level
- 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
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)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI992453 | 1999-11-15 | ||
| 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 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE60026570D1 DE60026570D1 (de) | 2006-05-04 |
| DE60026570T2 DE60026570T2 (de) | 2006-12-21 |
| DE60026570T3 true DE60026570T3 (de) | 2010-05-06 |
Family
ID=8555599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE60026570T Expired - Lifetime DE60026570T3 (de) | 1999-11-15 | 2000-11-14 | Geräuschunterdrücker |
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)
| 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)
| 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 |
-
1999
- 1999-11-15 FI FI992453A patent/FI19992453L/fi not_active Application Discontinuation
-
2000
- 2000-11-14 DE DE60026570T patent/DE60026570T3/de not_active Expired - Lifetime
- 2000-11-14 CN CNB008157294A patent/CN1161752C/zh not_active Expired - Fee Related
- 2000-11-14 WO PCT/FI2000/000996 patent/WO2001037254A2/en not_active Ceased
- 2000-11-14 EP EP00977625A patent/EP1242992B2/en not_active Expired - Lifetime
- 2000-11-14 JP JP2001537720A patent/JP2003514264A/ja active Pending
- 2000-11-14 AU AU15273/01A patent/AU1527301A/en not_active Abandoned
- 2000-11-15 US US09/713,524 patent/US7889874B1/en not_active Expired - Lifetime
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 |
| EP1242992A2 (en) | 2002-09-25 |
| FI19992453L (fi) | 2001-05-16 |
| AU1527301A (en) | 2001-05-30 |
| WO2001037254A3 (en) | 2001-11-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE60116255T2 (de) | Rauschunterdückungsvorrichtung und -verfahren | |
| DE69830721T2 (de) | Verfahren und vorrichtung zur bestimmung der übertragungsrate in einem kommunikationssystem | |
| DE60226003T2 (de) | Steuerung der rückhörunterdrückung in einem telekommunikationsinstrument | |
| DE60026570T3 (de) | Geräuschunterdrücker | |
| DE60032797T2 (de) | Geräuschunterdrückung | |
| DE69331223T2 (de) | Netzwerkechokompensator | |
| DE69428119T2 (de) | Verringerung des hintergrundrauschens zur sprachverbesserung | |
| DE60132321T2 (de) | Verfahren und vorrichtung zur verteilten geräuschunterdrückung | |
| DE69129497T2 (de) | Restecholöschung | |
| DE69630580T2 (de) | Rauschunterdrücker und Verfahren zur Unterdrückung des Hintergrundrauschens in einem verrauschten Sprachsignal und eine Mobilstation | |
| DE60031354T2 (de) | Geräuschunterdrückung vor der Sprachkodierung | |
| DE69332309T2 (de) | Ausfallgesichertes betriebsverfahren in einem lautfernsprechsystem | |
| DE69816128T2 (de) | Verfahren und vorrichtung zur erzeugung von hintergrundrauschen in einem kommunikationssystem | |
| DE69122648T2 (de) | Digitale Teilbandkodierungsvorrichtung | |
| DE69634841T2 (de) | Verfahren und Vorrichtung zur Echokompensation | |
| DE2207141C3 (de) | Schaltungsanordnung zur Unterdrückung unerwünschter Sprachsignale mittels eines vorhersagenden Filters | |
| EP0668007B1 (de) | Mobilfunkgerät mit freisprecheinrichtung | |
| DE19935808A1 (de) | Echounterdrückungseinrichtung zum Unterdrücken von Echos in einer Sender/Empfänger-Einheit | |
| DE69627359T2 (de) | Verbesserter echokompensator mit anwendung in der digitalen telefonie | |
| DE2526034A1 (de) | Hoerhilfeverfahren und vorrichtung zur durchfuehrung des verfahrens | |
| EP1103956B1 (de) | Exponentielle Echo- und Geräuschabsenkung in Sprachpausen | |
| DE60220995T2 (de) | Netzwerk-echounterdrückung in mobilstationen | |
| EP1155561B1 (de) | Vorrichtung und verfahren zur geräuschunterdrückung in fernsprecheinrichtungen | |
| DE19806015C2 (de) | Verfahren zur Verbesserung der akustischen Rückhördämpfung in Freisprecheinrichtungen | |
| DE102018117557A1 (de) | Adaptives nachfiltern |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8363 | Opposition against the patent | ||
| 8366 | Restricted maintained after opposition proceedings |