EP1755110A3 - Procédé et dispositif destinés à la réduction adaptative de signaux de bruit et de fond dans un système de traitement vocal - Google Patents
Procédé et dispositif destinés à la réduction adaptative de signaux de bruit et de fond dans un système de traitement vocal Download PDFInfo
- Publication number
- EP1755110A3 EP1755110A3 EP06014433A EP06014433A EP1755110A3 EP 1755110 A3 EP1755110 A3 EP 1755110A3 EP 06014433 A EP06014433 A EP 06014433A EP 06014433 A EP06014433 A EP 06014433A EP 1755110 A3 EP1755110 A3 EP 1755110A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- filtering
- coefficients
- processing system
- signals
- noise
- 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.)
- Withdrawn
Links
- 230000003044 adaptive effect Effects 0.000 title abstract 2
- 238000000034 method Methods 0.000 title abstract 2
- 238000001914 filtration Methods 0.000 abstract 6
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
Landscapes
- Engineering & Computer Science (AREA)
- Computational Linguistics (AREA)
- Quality & Reliability (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102005039621A DE102005039621A1 (de) | 2005-08-19 | 2005-08-19 | Verfahren und Vorrichtung zur adaptiven Reduktion von Rausch- und Hintergrundsignalen in einem sprachverarbeitenden System |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1755110A2 EP1755110A2 (fr) | 2007-02-21 |
EP1755110A3 true EP1755110A3 (fr) | 2009-05-06 |
Family
ID=36821493
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06014433A Withdrawn EP1755110A3 (fr) | 2005-08-19 | 2006-07-12 | Procédé et dispositif destinés à la réduction adaptative de signaux de bruit et de fond dans un système de traitement vocal |
Country Status (3)
Country | Link |
---|---|
US (2) | US7822602B2 (fr) |
EP (1) | EP1755110A3 (fr) |
DE (1) | DE102005039621A1 (fr) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10354557B4 (de) * | 2003-11-21 | 2007-11-29 | Infineon Technologies Ag | Verfahren und Vorrichtungen zur Prädiktion von in einem Empfangssignal enthaltenen Rauschen sowie ein digitaler Empfänger |
DE102005039621A1 (de) * | 2005-08-19 | 2007-03-01 | Micronas Gmbh | Verfahren und Vorrichtung zur adaptiven Reduktion von Rausch- und Hintergrundsignalen in einem sprachverarbeitenden System |
DE102009025541B3 (de) * | 2009-06-19 | 2011-02-10 | Plath Gmbh | Vorrichtung und Verfahren zur breitbandigen Rauschentfernung und Rauschreduktion (Denoising) bei der Signalnachbearbeitung eines Breitbandpeilers |
KR20140052661A (ko) * | 2012-10-25 | 2014-05-07 | 현대모비스 주식회사 | 신호처리를 이용한 차량용 마이크로 폰 시스템 |
US10757450B2 (en) | 2017-10-05 | 2020-08-25 | Cable Television Laboratories, Inc | System and methods for data compression and nonuniform quantizers |
US10686466B2 (en) * | 2017-10-05 | 2020-06-16 | Cable Television Laboratories, Inc. | System and methods for data compression and nonuniform quantizers |
Citations (4)
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US4658426A (en) * | 1985-10-10 | 1987-04-14 | Harold Antin | Adaptive noise suppressor |
EP0558312A1 (fr) * | 1992-02-27 | 1993-09-01 | Central Institute For The Deaf | Circuit adaptatif de réduction de bruit pour un système de reproduction sonore |
EP0579152A1 (fr) * | 1992-07-13 | 1994-01-19 | Minnesota Mining And Manufacturing Company | Prothèse auditive, appareil de suppression de bruit et appareil de suppression de la réaction acoustique ayant un filtrage adaptatif focalisé |
EP1617419A2 (fr) * | 2004-07-15 | 2006-01-18 | Bitwave Private Limited | Dispositif de traitement d'un signal de parole pour la réduction de bruit et d'interférence en communication vocale et reconnaissance de parole |
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US3975587A (en) * | 1974-09-13 | 1976-08-17 | International Telephone And Telegraph Corporation | Digital vocoder |
US4133976A (en) * | 1978-04-07 | 1979-01-09 | Bell Telephone Laboratories, Incorporated | Predictive speech signal coding with reduced noise effects |
US4403298A (en) * | 1981-06-15 | 1983-09-06 | Bell Telephone Laboratories, Incorporated | Adaptive techniques for automatic frequency determination and measurement |
CA1331644C (fr) * | 1988-06-25 | 1994-08-23 | Yoshihiro Yamamura | Systeme de communication a brouillage utilisant des filtres transversaux adaptatifs pour le debrouillage des signaux recus |
US5146470A (en) * | 1989-09-28 | 1992-09-08 | Fujitsu Limited | Adaptive digital filter including low-pass filter |
US5148488A (en) * | 1989-11-17 | 1992-09-15 | Nynex Corporation | Method and filter for enhancing a noisy speech signal |
JP2573389B2 (ja) * | 1990-03-23 | 1997-01-22 | 晴夫 浜田 | 電子消音方法及び装置 |
US5450522A (en) * | 1991-08-19 | 1995-09-12 | U S West Advanced Technologies, Inc. | Auditory model for parametrization of speech |
JP2541044B2 (ja) * | 1991-08-29 | 1996-10-09 | 真作 森 | 適応フィルタ装置 |
FR2700055B1 (fr) | 1992-12-30 | 1995-01-27 | Sextant Avionique | Procédé de débruitage vectoriel de la parole et dispositif de mise en Óoeuvre. |
DE4309985A1 (de) | 1993-03-29 | 1994-10-06 | Sel Alcatel Ag | Geräuschreduktion zur Spracherkennung |
US5590241A (en) * | 1993-04-30 | 1996-12-31 | Motorola Inc. | Speech processing system and method for enhancing a speech signal in a noisy environment |
US5751902A (en) * | 1993-05-05 | 1998-05-12 | U.S. Philips Corporation | Adaptive prediction filter using block floating point format and minimal recursive recomputations |
CA2125220C (fr) * | 1993-06-08 | 2000-08-15 | Joji Kane | Eliminateur de bruit pouvant empecher la degradation des signaux haute frequence apres l'elimination du bruit et des signaux d'un systeme emetteur de signaux symetriques |
EP0629080B1 (fr) * | 1993-06-09 | 2000-02-23 | STMicroelectronics S.r.l. | Méthode adaptive pour supprimer les échos d'un signal vidéo |
US5689572A (en) * | 1993-12-08 | 1997-11-18 | Hitachi, Ltd. | Method of actively controlling noise, and apparatus thereof |
US5651090A (en) * | 1994-05-06 | 1997-07-22 | Nippon Telegraph And Telephone Corporation | Coding method and coder for coding input signals of plural channels using vector quantization, and decoding method and decoder therefor |
US5627896A (en) * | 1994-06-18 | 1997-05-06 | Lord Corporation | Active control of noise and vibration |
JPH08125593A (ja) * | 1994-10-28 | 1996-05-17 | Fujitsu Ltd | フィルタ係数の推定装置 |
US5706402A (en) * | 1994-11-29 | 1998-01-06 | The Salk Institute For Biological Studies | Blind signal processing system employing information maximization to recover unknown signals through unsupervised minimization of output redundancy |
DE19639703C2 (de) * | 1996-09-26 | 1999-05-20 | Siemens Ag | Verfahren und Anordnung zur Echokompensation |
US6151397A (en) * | 1997-05-16 | 2000-11-21 | Motorola, Inc. | Method and system for reducing undesired signals in a communication environment |
US6154547A (en) * | 1998-05-07 | 2000-11-28 | Visteon Global Technologies, Inc. | Adaptive noise reduction filter with continuously variable sliding bandwidth |
US6717991B1 (en) * | 1998-05-27 | 2004-04-06 | Telefonaktiebolaget Lm Ericsson (Publ) | System and method for dual microphone signal noise reduction using spectral subtraction |
US6175602B1 (en) | 1998-05-27 | 2001-01-16 | Telefonaktiebolaget Lm Ericsson (Publ) | Signal noise reduction by spectral subtraction using linear convolution and casual filtering |
US6597732B1 (en) * | 1999-01-14 | 2003-07-22 | Eric Morgan Dowling | High-speed modem with uplink remote-echo canceller |
WO2000060575A1 (fr) * | 1999-04-05 | 2000-10-12 | Hughes Electronics Corporation | Une mesure vocale en tant qu'estimation d'un signal de periodicite pour un systeme codeur-decodeur de parole interpolatif a domaine de frequence |
US6959274B1 (en) * | 1999-09-22 | 2005-10-25 | Mindspeed Technologies, Inc. | Fixed rate speech compression system and method |
DE19948308C2 (de) | 1999-10-06 | 2002-05-08 | Cortologic Ag | Verfahren und Vorrichtung zur Geräuschunterdrückung bei der Sprachübertragung |
US7092537B1 (en) * | 1999-12-07 | 2006-08-15 | Texas Instruments Incorporated | Digital self-adapting graphic equalizer and method |
JP3964092B2 (ja) * | 2000-02-17 | 2007-08-22 | アルパイン株式会社 | オーディオ用適応イコライザ及びフィルタ係数の決定方法 |
US6804640B1 (en) * | 2000-02-29 | 2004-10-12 | Nuance Communications | Signal noise reduction using magnitude-domain spectral subtraction |
US6975689B1 (en) * | 2000-03-30 | 2005-12-13 | Mcdonald James Douglas | Digital modulation signal receiver with adaptive channel equalization employing discrete fourier transforms |
US6484133B1 (en) * | 2000-03-31 | 2002-11-19 | The University Of Chicago | Sensor response rate accelerator |
US6757654B1 (en) * | 2000-05-11 | 2004-06-29 | Telefonaktiebolaget Lm Ericsson | Forward error correction in speech coding |
US6999628B2 (en) * | 2002-03-28 | 2006-02-14 | Microsoft Corporation | Tarp filter |
US7167568B2 (en) * | 2002-05-02 | 2007-01-23 | Microsoft Corporation | Microphone array signal enhancement |
US7433908B2 (en) * | 2002-07-16 | 2008-10-07 | Tellabs Operations, Inc. | Selective-partial-update proportionate normalized least-mean-square adaptive filtering for network echo cancellation |
US7146315B2 (en) * | 2002-08-30 | 2006-12-05 | Siemens Corporate Research, Inc. | Multichannel voice detection in adverse environments |
JP4480584B2 (ja) * | 2002-12-02 | 2010-06-16 | パナソニック株式会社 | 適応等化回路及び適応等化方法 |
JP4333369B2 (ja) * | 2004-01-07 | 2009-09-16 | 株式会社デンソー | 雑音除去装置、及び音声認識装置、並びにカーナビゲーション装置 |
DE102004025471A1 (de) * | 2004-05-21 | 2005-12-15 | Micronas Gmbh | Verfahren bzw. adaptives Filter zum Verarbeiten einer Folge aus Eingabe-Daten eines Funksystems |
US7142665B2 (en) * | 2004-07-16 | 2006-11-28 | Freescale Semiconductor, Inc. | Automatic gain control for an adaptive finite impulse response and method therefore |
US7734466B2 (en) * | 2005-06-20 | 2010-06-08 | Motorola, Inc. | Reduced complexity recursive least square lattice structure adaptive filter by means of limited recursion of the backward and forward error prediction squares |
US7464029B2 (en) * | 2005-07-22 | 2008-12-09 | Qualcomm Incorporated | Robust separation of speech signals in a noisy environment |
DE102005039621A1 (de) * | 2005-08-19 | 2007-03-01 | Micronas Gmbh | Verfahren und Vorrichtung zur adaptiven Reduktion von Rausch- und Hintergrundsignalen in einem sprachverarbeitenden System |
US20070297619A1 (en) * | 2006-06-26 | 2007-12-27 | Bose Corporation*Ewc* | Active noise reduction engine speed determining |
US8194873B2 (en) * | 2006-06-26 | 2012-06-05 | Davis Pan | Active noise reduction adaptive filter leakage adjusting |
-
2005
- 2005-08-19 DE DE102005039621A patent/DE102005039621A1/de not_active Ceased
-
2006
- 2006-07-12 EP EP06014433A patent/EP1755110A3/fr not_active Withdrawn
- 2006-08-21 US US11/507,369 patent/US7822602B2/en active Active
-
2010
- 2010-09-30 US US12/895,817 patent/US8352256B2/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4658426A (en) * | 1985-10-10 | 1987-04-14 | Harold Antin | Adaptive noise suppressor |
EP0558312A1 (fr) * | 1992-02-27 | 1993-09-01 | Central Institute For The Deaf | Circuit adaptatif de réduction de bruit pour un système de reproduction sonore |
EP0579152A1 (fr) * | 1992-07-13 | 1994-01-19 | Minnesota Mining And Manufacturing Company | Prothèse auditive, appareil de suppression de bruit et appareil de suppression de la réaction acoustique ayant un filtrage adaptatif focalisé |
EP1617419A2 (fr) * | 2004-07-15 | 2006-01-18 | Bitwave Private Limited | Dispositif de traitement d'un signal de parole pour la réduction de bruit et d'interférence en communication vocale et reconnaissance de parole |
Also Published As
Publication number | Publication date |
---|---|
US7822602B2 (en) | 2010-10-26 |
DE102005039621A1 (de) | 2007-03-01 |
EP1755110A2 (fr) | 2007-02-21 |
US20110022382A1 (en) | 2011-01-27 |
US20070043559A1 (en) | 2007-02-22 |
US8352256B2 (en) | 2013-01-08 |
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RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
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Effective date: 20091102 |
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Effective date: 20091204 |
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Owner name: ENTROPIC COMMUNICATIONS, INC. |
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STAA | Information on the status of an ep patent application or granted ep patent |
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18D | Application deemed to be withdrawn |
Effective date: 20180201 |