ATE335309T1 - Signalverarbeitungsvorrichtung und verfahren - Google Patents

Signalverarbeitungsvorrichtung und verfahren

Info

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
Application number
AT99956463T
Other languages
English (en)
Inventor
Siew Kok Hui
Original Assignee
Bitwave Private 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
Application filed by Bitwave Private Ltd filed Critical Bitwave Private Ltd
Application granted granted Critical
Publication of ATE335309T1 publication Critical patent/ATE335309T1/de

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
    • 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)
  • Communication Control (AREA)
  • Complex Calculations (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
AT99956463T 1998-11-13 1999-11-12 Signalverarbeitungsvorrichtung und verfahren ATE335309T1 (de)

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 (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002530922A (ja) 1998-11-13 2002-09-17 ビットウェイブ・プライベイト・リミテッド 信号を処理する装置と方法
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
US7346175B2 (en) * 2001-09-12 2008-03-18 Bitwave Private Limited System and apparatus for speech communication and speech recognition
US20040242157A1 (en) * 2001-09-28 2004-12-02 Klinke Stefano Ambrosius Device and method for supressing periodic interference signals
US6801632B2 (en) 2001-10-10 2004-10-05 Knowles Electronics, Llc Microphone assembly for vehicular installation
KR20060044285A (ko) * 2002-03-13 2006-05-16 레이씨언 캐나다 리미티드 위상 배열 방식 시스템용 잡음 억제 시스템 및 방법
BR0308287A (pt) 2002-03-13 2005-01-11 Raytheon Canada Ltd Sistema e método de detecção adaptáveis
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
EP1652404B1 (de) * 2003-07-11 2010-11-03 Cochlear Limited Verfahren und einrichtung zur rauschverminderung
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
WO2008116264A1 (en) * 2007-03-26 2008-10-02 Cochlear Limited Noise reduction in auditory prostheses
US8582694B2 (en) * 2007-04-30 2013-11-12 Scott R. Velazquez Adaptive digital receiver
WO2009043066A1 (en) 2007-10-02 2009-04-09 Akg Acoustics Gmbh Method and device for low-latency auditory model-based single-channel speech enhancement
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
CN102576543B (zh) * 2010-07-26 2014-09-10 松下电器产业株式会社 多输入噪声抑制装置、多输入噪声抑制方法以及集成电路
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
WO2022071812A1 (en) 2020-10-01 2022-04-07 Dotterel Technologies Limited Beamformed microphone array

Family Cites Families (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US4630305A (en) 1985-07-01 1986-12-16 Motorola, Inc. Automatic gain selector for a noise suppression system
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
KR100316116B1 (ko) * 1993-12-06 2002-02-28 요트.게.아. 롤페즈 잡음감소시스템및장치와,이동무선국
US5557682A (en) 1994-07-12 1996-09-17 Digisonix Multi-filter-set active adaptive control system
EP0700156B1 (de) 1994-09-01 2002-06-05 Nec Corporation Bündelerreger mit adaptiven Filtern mit beschränkten Koeffizienten zur Unterdrückung von Interferenzsignalen
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
US6002776A (en) 1995-09-18 1999-12-14 Interval Research Corporation Directional acoustic signal processor and method therefor
US5694474A (en) 1995-09-18 1997-12-02 Interval Research Corporation Adaptive filter for signal processing and method therefor
US6072884A (en) 1997-11-18 2000-06-06 Audiologic Hearing Systems Lp Feedback cancellation apparatus and methods
DE69631955T2 (de) * 1995-12-15 2005-01-05 Koninklijke Philips Electronics N.V. Verfahren und schaltung zur adaptiven rauschunterdrückung und sendeempfänger
JP3449457B2 (ja) 1996-04-18 2003-09-22 勝元 崔 無線通信システムで干渉を最小化して雑音の影響を減らすための信号処理装置及び方法
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
JP2002530922A (ja) 1998-11-13 2002-09-17 ビットウェイブ・プライベイト・リミテッド 信号を処理する装置と方法
US7346175B2 (en) 2001-09-12 2008-03-18 Bitwave Private Limited System and apparatus for speech communication and speech recognition

Also Published As

Publication number Publication date
DE69932626T2 (de) 2007-10-25
JP2002530922A (ja) 2002-09-17
EP1131892B1 (de) 2006-08-02
US7289586B2 (en) 2007-10-30
WO2000030264A1 (en) 2000-05-25
US6999541B1 (en) 2006-02-14
EP1131892A1 (de) 2001-09-12
US20060072693A1 (en) 2006-04-06
DE69932626D1 (de) 2006-09-14

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