DE69804329T2 - Verfahren und vorrichtung zur rauschunterdrückung eines digitalen sprachsignals - Google Patents

Verfahren und vorrichtung zur rauschunterdrückung eines digitalen sprachsignals

Info

Publication number: DE69804329T2
Authority: DE; Germany
Prior art keywords: noise; speech signal; block; frequency; signal
Prior art date: 1997-09-18
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

DE69804329T

Other languages

German (de)

English (en)

Other versions

DE69804329D1 (de

Inventor

Philip Lockwood

Stephane Lubiarz

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.)

EADS Defence and Security Networks SAS

Nortel Networks France SAS

Original Assignee

EADS Defence and Security Networks SAS

Matra Nortel Communications SAS

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.)

1997-09-18

Filing date

1998-09-16

Publication date

2002-11-14

1998-09-16 Application filed by EADS Defence and Security Networks SAS, Matra Nortel Communications SAS filed Critical EADS Defence and Security Networks SAS

2002-04-25 Application granted granted Critical

2002-04-25 Publication of DE69804329D1 publication Critical patent/DE69804329D1/de

2002-11-14 Publication of DE69804329T2 publication Critical patent/DE69804329T2/de

2018-09-17 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Links

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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
- 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
- G10L21/0316—Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude
- G10L21/0364—Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude for improving intelligibility
- 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
- 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
- G10L21/0264—Noise filtering characterised by the type of parameter measurement, e.g. correlation techniques, zero crossing techniques or predictive techniques
- 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
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/90—Pitch determination of speech signals

Landscapes

Engineering & Computer Science (AREA)
Human Computer Interaction (AREA)
Acoustics & Sound (AREA)
Signal Processing (AREA)
Health & Medical Sciences (AREA)
Audiology, Speech & Language Pathology (AREA)
Computational Linguistics (AREA)
Physics & Mathematics (AREA)
Quality & Reliability (AREA)
Multimedia (AREA)
Compression, Expansion, Code Conversion, And Decoders (AREA)
Noise Elimination (AREA)
Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Picture Signal Circuits (AREA)
Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)

DE69804329T 1997-09-18 1998-09-16 Verfahren und vorrichtung zur rauschunterdrückung eines digitalen sprachsignals Expired - Fee Related DE69804329T2 (de)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
FR9711642A FR2768546B1 (fr)	1997-09-18	1997-09-18	Procede de debruitage d'un signal de parole numerique
PCT/FR1998/001981 WO1999014739A1 (fr)	1997-09-18	1998-09-16	Procede de debruitage d'un signal de parole numerique

Publications (2)

Publication Number	Publication Date
DE69804329D1 DE69804329D1 (de)	2002-04-25
DE69804329T2 true DE69804329T2 (de)	2002-11-14

Family

ID=9511229

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE69804329T Expired - Fee Related DE69804329T2 (de)	1997-09-18	1998-09-16	Verfahren und vorrichtung zur rauschunterdrückung eines digitalen sprachsignals

Country Status (10)

Country	Link
EP (1)	EP1016073B1 (fr)
JP (1)	JP2001516902A (fr)
CN (1)	CN1276896A (fr)
AU (1)	AU9169098A (fr)
BR (1)	BR9812655A (fr)
CA (1)	CA2304015A1 (fr)
DE (1)	DE69804329T2 (fr)
ES (1)	ES2174484T3 (fr)
FR (1)	FR2768546B1 (fr)
WO (1)	WO1999014739A1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2379550A (en) *	2001-09-11	2003-03-12	Barrington Dyer	Printed code recording and playing system, for music, speech and sounds
WO2006032760A1 (fr) *	2004-09-16	2006-03-30	France Telecom	Procede de traitement d'un signal sonore bruite et dispositif pour la mise en œuvre du procede
FR2899424A1 (fr) *	2006-03-28	2007-10-05	France Telecom	Procede de synthese binaurale prenant en compte un effet de salle
JP5459688B2 (ja)	2009-03-31	2014-04-02	▲ホア▼▲ウェイ▼技術有限公司	復号信号のスペクトルを調整する方法、装置、および音声復号システム
CN101859569B (zh) *	2010-05-27	2012-08-15	上海朗谷电子科技有限公司	数字音频信号处理降噪的方法
CN104251934B (zh) *	2013-06-26	2018-08-14	华为技术有限公司	谐波分析方法和装置以及确定谐波间杂波的方法和装置
CN113393849B (zh) *	2019-01-29	2022-07-12	桂林理工大学南宁分校	一种双模块数据处理的对讲机系统
CN109817241B (zh) *	2019-02-18	2021-06-01	腾讯音乐娱乐科技（深圳）有限公司	音频处理方法、装置及存储介质
CN116580712B (zh) *	2023-07-14	2023-09-15	深圳攀高医疗电子有限公司	一种语音处理方法、系统及腰部治疗仪

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
AU633673B2 (en) *	1990-01-18	1993-02-04	Matsushita Electric Industrial Co., Ltd.	Signal processing device
DE69124005T2 (de) *	1990-05-28	1997-07-31	Matsushita Electric Ind Co Ltd	Sprachsignalverarbeitungsvorrichtung
US5469087A (en) *	1992-06-25	1995-11-21	Noise Cancellation Technologies, Inc.	Control system using harmonic filters
US5555190A (en) *	1995-07-12	1996-09-10	Micro Motion, Inc.	Method and apparatus for adaptive line enhancement in Coriolis mass flow meter measurement

1997
- 1997-09-18 FR FR9711642A patent/FR2768546B1/fr not_active Expired - Fee Related
1998
- 1998-09-16 EP EP98944000A patent/EP1016073B1/fr not_active Expired - Lifetime
- 1998-09-16 JP JP2000512196A patent/JP2001516902A/ja active Pending
- 1998-09-16 AU AU91690/98A patent/AU9169098A/en not_active Abandoned
- 1998-09-16 CN CN 98810358 patent/CN1276896A/zh active Pending
- 1998-09-16 BR BR9812655-5A patent/BR9812655A/pt not_active IP Right Cessation
- 1998-09-16 DE DE69804329T patent/DE69804329T2/de not_active Expired - Fee Related
- 1998-09-16 CA CA002304015A patent/CA2304015A1/fr not_active Abandoned
- 1998-09-16 ES ES98944000T patent/ES2174484T3/es not_active Expired - Lifetime
- 1998-09-16 WO PCT/FR1998/001981 patent/WO1999014739A1/fr not_active Ceased

Also Published As

Publication number	Publication date
FR2768546A1 (fr)	1999-03-19
FR2768546B1 (fr)	2000-07-21
JP2001516902A (ja)	2001-10-02
EP1016073B1 (fr)	2002-03-20
WO1999014739A1 (fr)	1999-03-25
AU9169098A (en)	1999-04-05
CA2304015A1 (fr)	1999-03-25
BR9812655A (pt)	2000-08-22
ES2174484T3 (es)	2002-11-01
CN1276896A (zh)	2000-12-13
DE69804329D1 (de)	2002-04-25
EP1016073A1 (fr)	2000-07-05

Legal Events

Date	Code	Title	Description
2003-04-17	8364	No opposition during term of opposition
2005-07-14	8339	Ceased/non-payment of the annual fee

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DE60131639T2 (de)	2008-10-30	Vorrichtungen und Verfahren zur Bestimmung von Leistungswerten für die Geräuschunterdrückung für ein Sprachkommunikationssystem
EP0912974B1 (fr)	2000-04-12	Procede pour reduire les parasites dans un signal vocal
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DE112010005895B4 (de)	2016-12-15	Störungsunterdrückungsvorrichtung
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DE69803202T2 (de)	2002-08-29	Verfahren und vorrichtung zur sprachdetektion
JP2003517624A (ja)	2003-05-27	低ビットレート・スピーチ・コーダのためのノイズ抑圧
DE10017646A1 (de)	2001-10-11	Geräuschunterdrückung im Zeitbereich
DE60212617T2 (de)	2007-06-14	Vorrichtung zur sprachverbesserung
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Wolfe et al.	2000	Towards a perceptually optimal spectral amplitude estimator for audio signal enhancement
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DE102014221528B4 (de)	2024-04-25	Akkurate Vorwärts-SNR-Schätzung basierend auf MMSE-Sprachpräsenzwahrscheinlichkeit
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