ATE335309T1 - Signalverarbeitungsvorrichtung und verfahren - Google Patents
Signalverarbeitungsvorrichtung und verfahrenInfo
- Publication number
- ATE335309T1 ATE335309T1 AT99956463T AT99956463T ATE335309T1 AT E335309 T1 ATE335309 T1 AT E335309T1 AT 99956463 T AT99956463 T AT 99956463T AT 99956463 T AT99956463 T AT 99956463T AT E335309 T1 ATE335309 T1 AT E335309T1
- Authority
- AT
- Austria
- Prior art keywords
- signals
- digitally converted
- adaptive filter
- processing
- signal
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 2
- 230000003044 adaptive effect Effects 0.000 abstract 3
- 238000001914 filtration Methods 0.000 abstract 2
- 238000005070 sampling Methods 0.000 abstract 1
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
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
- G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Filters That Use Time-Delay Elements (AREA)
- Noise Elimination (AREA)
- Radar Systems Or Details Thereof (AREA)
- Complex Calculations (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Communication Control (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SG9804034 | 1998-11-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE335309T1 true ATE335309T1 (de) | 2006-08-15 |
Family
ID=20430130
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT99956463T ATE335309T1 (de) | 1998-11-13 | 1999-11-12 | Signalverarbeitungsvorrichtung und verfahren |
Country Status (6)
Country | Link |
---|---|
US (2) | US6999541B1 (de) |
EP (1) | EP1131892B1 (de) |
JP (1) | JP2002530922A (de) |
AT (1) | ATE335309T1 (de) |
DE (1) | DE69932626T2 (de) |
WO (1) | WO2000030264A1 (de) |
Families Citing this family (36)
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US6999541B1 (en) | 1998-11-13 | 2006-02-14 | Bitwave Pte Ltd. | Signal processing apparatus and method |
US7146013B1 (en) * | 1999-04-28 | 2006-12-05 | Alpine Electronics, Inc. | Microphone system |
US7277554B2 (en) * | 2001-08-08 | 2007-10-02 | Gn Resound North America Corporation | Dynamic range compression using digital frequency warping |
WO2003036614A2 (en) | 2001-09-12 | 2003-05-01 | Bitwave Private Limited | System and apparatus for speech communication and speech recognition |
WO2003036892A1 (de) * | 2001-09-28 | 2003-05-01 | Siemens Aktiengesellschaft | Vorrichtung und verfahren zur unterdrückung von periodischen störsignalen |
US6801632B2 (en) | 2001-10-10 | 2004-10-05 | Knowles Electronics, Llc | Microphone assembly for vehicular installation |
CA2478940C (en) | 2002-03-13 | 2008-07-08 | Raytheon Canada Limited | A noise suppression system and method for phased-array based systems |
JP2005520161A (ja) | 2002-03-13 | 2005-07-07 | レイセオン・カナダ・リミテッド | レーダ検出の適応的システムおよび方法 |
US6653236B2 (en) | 2002-03-29 | 2003-11-25 | Micron Technology, Inc. | Methods of forming metal-containing films over surfaces of semiconductor substrates; and semiconductor constructions |
US7341947B2 (en) | 2002-03-29 | 2008-03-11 | Micron Technology, Inc. | Methods of forming metal-containing films over surfaces of semiconductor substrates |
KR100492819B1 (ko) * | 2002-04-17 | 2005-05-31 | 주식회사 아이티매직 | 소음 제거 방법 및 그 시스템 |
US7362799B1 (en) * | 2002-06-27 | 2008-04-22 | Arraycomm Llc | Method and apparatus for communication signal resolution |
EP1524879B1 (de) | 2003-06-30 | 2014-05-07 | Nuance Communications, Inc. | Freisprechanlage zur Verwendung in einem Fahrzeug |
JP4989967B2 (ja) * | 2003-07-11 | 2012-08-01 | コクレア リミテッド | ノイズ低減のための方法および装置 |
US8964997B2 (en) | 2005-05-18 | 2015-02-24 | Bose Corporation | Adapted audio masking |
US7647077B2 (en) | 2005-05-31 | 2010-01-12 | Bitwave Pte Ltd | Method for echo control of a wireless headset |
US7472041B2 (en) * | 2005-08-26 | 2008-12-30 | Step Communications Corporation | Method and apparatus for accommodating device and/or signal mismatch in a sensor array |
TW200744332A (en) * | 2006-05-30 | 2007-12-01 | Benq Corp | Method and apparatus of receiving signals and wireless multimode wideband receiver |
US9049524B2 (en) * | 2007-03-26 | 2015-06-02 | Cochlear Limited | Noise reduction in auditory prostheses |
US8582694B2 (en) * | 2007-04-30 | 2013-11-12 | Scott R. Velazquez | Adaptive digital receiver |
DE112007003674T5 (de) | 2007-10-02 | 2010-08-12 | Akg Acoustics Gmbh | Methode und Apparat zur Einkanal-Sprachverbesserung basierend auf einem latenzzeitreduzierten Gehörmodell |
US7843382B2 (en) * | 2008-12-15 | 2010-11-30 | Adly T. Fam | Mismatched filter |
US8218783B2 (en) * | 2008-12-23 | 2012-07-10 | Bose Corporation | Masking based gain control |
US8229125B2 (en) | 2009-02-06 | 2012-07-24 | Bose Corporation | Adjusting dynamic range of an audio system |
EP2237271B1 (de) | 2009-03-31 | 2021-01-20 | Cerence Operating Company | Verfahren zur Bestimmung einer Signalkomponente zum Reduzieren von Rauschen in einem Eingangssignal |
TWI403988B (zh) * | 2009-12-28 | 2013-08-01 | Mstar Semiconductor Inc | 訊號處理裝置及其方法 |
US8565446B1 (en) | 2010-01-12 | 2013-10-22 | Acoustic Technologies, Inc. | Estimating direction of arrival from plural microphones |
US8219394B2 (en) * | 2010-01-20 | 2012-07-10 | Microsoft Corporation | Adaptive ambient sound suppression and speech tracking |
EP2600344B1 (de) * | 2010-07-26 | 2015-02-18 | Panasonic Corporation | Mehrfacheingabe-rauschunterdrückungsvorrichtung, mehrfacheingabe-rauschunterdrückungsverfahren, programm sowie integrierter schaltkreis |
US8976059B2 (en) | 2012-12-21 | 2015-03-10 | Raytheon Canada Limited | Identification and removal of a false detection in a radar system |
US9052528B2 (en) * | 2013-02-28 | 2015-06-09 | Johnson & Johnson Vision Care, Inc. | Electronic ophthalmic lens with multi-input voting scheme |
US9402132B2 (en) * | 2013-10-14 | 2016-07-26 | Qualcomm Incorporated | Limiting active noise cancellation output |
US20170026078A1 (en) * | 2014-03-27 | 2017-01-26 | Nec Corporation | Signal separation device and signal separation method |
KR101645590B1 (ko) * | 2014-08-22 | 2016-08-05 | 한국지이초음파 유한회사 | 적응적인 수신 빔 집속 방법 및 그 장치 |
US10623986B2 (en) * | 2015-10-22 | 2020-04-14 | Photonic Systems, Inc. | RF signal separation and suppression system and method |
US10366701B1 (en) * | 2016-08-27 | 2019-07-30 | QoSound, Inc. | Adaptive multi-microphone beamforming |
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US4025721A (en) | 1976-05-04 | 1977-05-24 | Biocommunications Research Corporation | Method of and means for adaptively filtering near-stationary noise from speech |
SE428167B (sv) | 1981-04-16 | 1983-06-06 | Mangold Stephan | Programmerbar signalbehandlingsanordning, huvudsakligen avsedd for personer med nedsatt horsel |
US4589137A (en) | 1985-01-03 | 1986-05-13 | The United States Of America As Represented By The Secretary Of The Navy | Electronic noise-reducing system |
US4628529A (en) | 1985-07-01 | 1986-12-09 | Motorola, Inc. | Noise suppression system |
US4630304A (en) | 1985-07-01 | 1986-12-16 | Motorola, Inc. | Automatic background noise estimator for a noise suppression system |
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US4931977A (en) * | 1987-10-30 | 1990-06-05 | Canadian Marconi Company | Vectorial adaptive filtering apparatus with convergence rate independent of signal parameters |
US4887299A (en) | 1987-11-12 | 1989-12-12 | Nicolet Instrument Corporation | Adaptive, programmable signal processing hearing aid |
US5225836A (en) | 1988-03-23 | 1993-07-06 | Central Institute For The Deaf | Electronic filters, repeated signal charge conversion apparatus, hearing aids and methods |
US5027410A (en) | 1988-11-10 | 1991-06-25 | Wisconsin Alumni Research Foundation | Adaptive, programmable signal processing and filtering for hearing aids |
US4956867A (en) | 1989-04-20 | 1990-09-11 | Massachusetts Institute Of Technology | Adaptive beamforming for noise reduction |
US5224170A (en) | 1991-04-15 | 1993-06-29 | Hewlett-Packard Company | Time domain compensation for transducer mismatch |
DE4121356C2 (de) | 1991-06-28 | 1995-01-19 | Siemens Ag | Verfahren und Einrichtung zur Separierung eines Signalgemisches |
JP3279612B2 (ja) | 1991-12-06 | 2002-04-30 | ソニー株式会社 | 雑音低減装置 |
US5412735A (en) | 1992-02-27 | 1995-05-02 | Central Institute For The Deaf | Adaptive noise reduction circuit for a sound reproduction system |
US5680467A (en) | 1992-03-31 | 1997-10-21 | Gn Danavox A/S | Hearing aid compensating for acoustic feedback |
JPH05316587A (ja) | 1992-05-08 | 1993-11-26 | Sony Corp | マイクロホン装置 |
US5402496A (en) | 1992-07-13 | 1995-03-28 | Minnesota Mining And Manufacturing Company | Auditory prosthesis, noise suppression apparatus and feedback suppression apparatus having focused adaptive filtering |
US5737430A (en) | 1993-07-22 | 1998-04-07 | Cardinal Sound Labs, Inc. | Directional hearing aid |
DE4330143A1 (de) | 1993-09-07 | 1995-03-16 | Philips Patentverwaltung | Anordnung zur Siganlverarbeitung akustischer Eingangssignale |
WO1995016259A1 (en) * | 1993-12-06 | 1995-06-15 | Philips Electronics N.V. | A noise reduction system and device, and a mobile radio station |
US5557682A (en) | 1994-07-12 | 1996-09-17 | Digisonix | Multi-filter-set active adaptive control system |
US5627799A (en) | 1994-09-01 | 1997-05-06 | Nec Corporation | Beamformer using coefficient restrained adaptive filters for detecting interference signals |
JP2758846B2 (ja) | 1995-02-27 | 1998-05-28 | 埼玉日本電気株式会社 | ノイズキャンセラ装置 |
US5835608A (en) | 1995-07-10 | 1998-11-10 | Applied Acoustic Research | Signal separating system |
US5694474A (en) | 1995-09-18 | 1997-12-02 | Interval Research Corporation | Adaptive filter for signal processing and method therefor |
US6002776A (en) | 1995-09-18 | 1999-12-14 | Interval Research Corporation | Directional acoustic signal processor and method therefor |
US6072884A (en) | 1997-11-18 | 2000-06-06 | Audiologic Hearing Systems Lp | Feedback cancellation apparatus and methods |
CN1135753C (zh) * | 1995-12-15 | 2004-01-21 | 皇家菲利浦电子有限公司 | 自适应噪声抵消装置、减噪系统及收发机 |
US6127973A (en) | 1996-04-18 | 2000-10-03 | Korea Telecom Freetel Co., Ltd. | Signal processing apparatus and method for reducing the effects of interference and noise in wireless communication systems |
US5793875A (en) | 1996-04-22 | 1998-08-11 | Cardinal Sound Labs, Inc. | Directional hearing system |
US5825898A (en) | 1996-06-27 | 1998-10-20 | Lamar Signal Processing Ltd. | System and method for adaptive interference cancelling |
US6097771A (en) | 1996-07-01 | 2000-08-01 | Lucent Technologies Inc. | Wireless communications system having a layered space-time architecture employing multi-element antennas |
DE19635229C2 (de) | 1996-08-30 | 2001-04-26 | Siemens Audiologische Technik | Richtungsempfindliche Hörhilfe |
US5991418A (en) | 1996-12-17 | 1999-11-23 | Texas Instruments Incorporated | Off-line path modeling circuitry and method for off-line feedback path modeling and off-line secondary path modeling |
AUPO714197A0 (en) | 1997-06-02 | 1997-06-26 | University Of Melbourne, The | Multi-strategy array processor |
JPH1183612A (ja) | 1997-09-10 | 1999-03-26 | Mitsubishi Heavy Ind Ltd | 移動体の騒音測定装置 |
US6091813A (en) | 1998-06-23 | 2000-07-18 | Noise Cancellation Technologies, Inc. | Acoustic echo canceller |
US6049607A (en) | 1998-09-18 | 2000-04-11 | Lamar Signal Processing | Interference canceling method and apparatus |
US6999541B1 (en) | 1998-11-13 | 2006-02-14 | Bitwave Pte Ltd. | Signal processing apparatus and method |
WO2003036614A2 (en) | 2001-09-12 | 2003-05-01 | Bitwave Private Limited | System and apparatus for speech communication and speech recognition |
-
1999
- 1999-11-12 US US09/831,346 patent/US6999541B1/en not_active Expired - Lifetime
- 1999-11-12 JP JP2000583170A patent/JP2002530922A/ja active Pending
- 1999-11-12 EP EP99956463A patent/EP1131892B1/de not_active Expired - Lifetime
- 1999-11-12 DE DE69932626T patent/DE69932626T2/de not_active Expired - Fee Related
- 1999-11-12 WO PCT/SG1999/000119 patent/WO2000030264A1/en active IP Right Grant
- 1999-11-12 AT AT99956463T patent/ATE335309T1/de not_active IP Right Cessation
-
2005
- 2005-12-05 US US11/293,183 patent/US7289586B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE69932626T2 (de) | 2007-10-25 |
US20060072693A1 (en) | 2006-04-06 |
WO2000030264A1 (en) | 2000-05-25 |
EP1131892A1 (de) | 2001-09-12 |
EP1131892B1 (de) | 2006-08-02 |
US7289586B2 (en) | 2007-10-30 |
US6999541B1 (en) | 2006-02-14 |
DE69932626D1 (de) | 2006-09-14 |
JP2002530922A (ja) | 2002-09-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |