AU2001279268A1 - Adaptive noise rejection system and method - Google Patents

Adaptive noise rejection system and method

Info

Publication number
AU2001279268A1
AU2001279268A1 AU2001279268A AU7926801A AU2001279268A1 AU 2001279268 A1 AU2001279268 A1 AU 2001279268A1 AU 2001279268 A AU2001279268 A AU 2001279268A AU 7926801 A AU7926801 A AU 7926801A AU 2001279268 A1 AU2001279268 A1 AU 2001279268A1
Authority
AU
Australia
Prior art keywords
adaptive noise
noise rejection
rejection system
adaptive
rejection
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.)
Abandoned
Application number
AU2001279268A
Inventor
Frank X. Linder
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.)
Esion Tech LLC
Original Assignee
Esion Tech LLC
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 Esion Tech LLC filed Critical Esion Tech LLC
Publication of AU2001279268A1 publication Critical patent/AU2001279268A1/en
Abandoned legal-status Critical Current

Links

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
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/34—Muting amplifier when no signal is present or when only weak signals are present, or caused by the presence of noise signals, e.g. squelch systems
    • H03G3/345—Muting during a short period of time when noise pulses are detected, i.e. blanking
    • 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
    • G10L2021/02085—Periodic noise

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)
  • Noise Elimination (AREA)
AU2001279268A 2000-06-28 2001-06-27 Adaptive noise rejection system and method Abandoned AU2001279268A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/605,569 US6320968B1 (en) 2000-06-28 2000-06-28 Adaptive noise rejection system and method
PCT/US2001/041174 WO2002001767A1 (en) 2000-06-28 2001-06-27 Adaptive noise rejection system and method

Publications (1)

Publication Number Publication Date
AU2001279268A1 true AU2001279268A1 (en) 2002-01-08

Family

ID=24424226

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001279268A Abandoned AU2001279268A1 (en) 2000-06-28 2001-06-27 Adaptive noise rejection system and method

Country Status (3)

Country Link
US (2) US6320968B1 (en)
AU (1) AU2001279268A1 (en)
WO (1) WO2002001767A1 (en)

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* Cited by examiner, † Cited by third party
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US20020031234A1 (en) * 2000-06-28 2002-03-14 Wenger Matthew P. Microphone system for in-car audio pickup
US7248703B1 (en) 2001-06-26 2007-07-24 Bbn Technologies Corp. Systems and methods for adaptive noise cancellation
US6859420B1 (en) 2001-06-26 2005-02-22 Bbnt Solutions Llc Systems and methods for adaptive wind noise rejection
US20030104783A1 (en) * 2001-12-04 2003-06-05 Esion-Tech, Llc Adaptive electromagnetic interference rejection system and method
DE10162559B4 (en) * 2001-12-19 2006-08-10 Siemens Ag Method and device for the suppression of periodic interference signals
US7274621B1 (en) 2002-06-13 2007-09-25 Bbn Technologies Corp. Systems and methods for flow measurement
JP4158533B2 (en) * 2003-01-21 2008-10-01 ソニー株式会社 Method and apparatus for recording, transmitting or reproducing data
US20060104460A1 (en) * 2004-11-18 2006-05-18 Motorola, Inc. Adaptive time-based noise suppression
US7864969B1 (en) * 2006-02-28 2011-01-04 National Semiconductor Corporation Adaptive amplifier circuitry for microphone array
US20080187147A1 (en) * 2007-02-05 2008-08-07 Berner Miranda S Noise reduction systems and methods
US8094034B2 (en) 2007-09-18 2012-01-10 Georgia Tech Research Corporation Detecting actuation of electrical devices using electrical noise over a power line
US9766277B2 (en) 2009-09-25 2017-09-19 Belkin International, Inc. Self-calibrating contactless power consumption sensing
US9291694B2 (en) 2010-07-02 2016-03-22 Belkin International, Inc. System and method for monitoring electrical power usage in an electrical power infrastructure of a building
EP2591372A4 (en) 2010-07-02 2017-12-06 Belkin International, Inc. System for monitoring electrical power usage of a structure and method of same
US8924604B2 (en) * 2011-09-26 2014-12-30 Belkin International, Inc. Systems and methods for data compression and feature extraction for the purpose of disaggregating loads on an electrical network
DE102014103313A1 (en) * 2014-03-12 2015-09-17 Lantiq Deutschland Gmbh Device and method for hum signal compensation in analog telephony signals
CN105006233A (en) * 2015-05-21 2015-10-28 南京航空航天大学 Narrowband feedforward active noise control system and target noise suppression method
US11462238B2 (en) * 2019-10-14 2022-10-04 Dp Technologies, Inc. Detection of sleep sounds with cycled noise sources

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GB1577322A (en) 1976-05-13 1980-10-22 Bearcroft R Active attenuation of recurring vibrations
EP0084982B1 (en) * 1982-01-27 1987-11-11 Racal Acoustics Limited Improvements in and relating to communications systems
US4604501A (en) 1984-10-09 1986-08-05 Moscow K. Richmond Voice communication system
US4736432A (en) 1985-12-09 1988-04-05 Motorola Inc. Electronic siren audio notch filter for transmitters
JPH01118900A (en) 1987-11-01 1989-05-11 Ricoh Co Ltd Noise suppressor
DE3742929C1 (en) 1987-12-18 1988-09-29 Daimler Benz Ag Method for improving the reliability of voice controls of functional elements and device for carrying it out
US5046103A (en) 1988-06-07 1991-09-03 Applied Acoustic Research, Inc. Noise reducing system for voice microphones
US4878188A (en) 1988-08-30 1989-10-31 Noise Cancellation Tech Selective active cancellation system for repetitive phenomena
US5138664A (en) 1989-03-25 1992-08-11 Sony Corporation Noise reducing device
US5293578A (en) * 1989-07-19 1994-03-08 Fujitso Ten Limited Noise reducing device
US5033082A (en) 1989-07-31 1991-07-16 Nelson Industries, Inc. Communication system with active noise cancellation
US5117461A (en) 1989-08-10 1992-05-26 Mnc, Inc. Electroacoustic device for hearing needs including noise cancellation
US5054078A (en) 1990-03-05 1991-10-01 Motorola, Inc. Method and apparatus to suspend speech
US5398286A (en) 1991-01-11 1995-03-14 Booz-Allen & Hamilton, Inc. System for enhancing an analog signal
JP2530779B2 (en) 1991-09-05 1996-09-04 株式会社日立製作所 Noise reduction device
US5204909A (en) 1991-09-12 1993-04-20 Cowan John A Audio processing system using delayed audio
JP3279612B2 (en) * 1991-12-06 2002-04-30 ソニー株式会社 Noise reduction device
US5412735A (en) * 1992-02-27 1995-05-02 Central Institute For The Deaf Adaptive noise reduction circuit for a sound reproduction system
JP2876874B2 (en) * 1992-03-04 1999-03-31 日産自動車株式会社 Active noise control system for vehicles
US5251263A (en) 1992-05-22 1993-10-05 Andrea Electronics Corporation Adaptive noise cancellation and speech enhancement system and apparatus therefor
JP3176474B2 (en) * 1992-06-03 2001-06-18 沖電気工業株式会社 Adaptive noise canceller device
US5381473A (en) 1992-10-29 1995-01-10 Andrea Electronics Corporation Noise cancellation apparatus
US5652799A (en) * 1994-06-06 1997-07-29 Noise Cancellation Technologies, Inc. Noise reducing system
US5835608A (en) * 1995-07-10 1998-11-10 Applied Acoustic Research Signal separating system
JP2882364B2 (en) * 1996-06-14 1999-04-12 日本電気株式会社 Noise cancellation method and noise cancellation device
US5825898A (en) * 1996-06-27 1998-10-20 Lamar Signal Processing Ltd. System and method for adaptive interference cancelling
US6072881A (en) 1996-07-08 2000-06-06 Chiefs Voice Incorporated Microphone noise rejection system
GB9905788D0 (en) 1999-03-12 1999-05-05 Fulcrum Systems Ltd Background-noise reduction

Also Published As

Publication number Publication date
US20020041691A1 (en) 2002-04-11
WO2002001767A1 (en) 2002-01-03
US6320968B1 (en) 2001-11-20
US6594364B2 (en) 2003-07-15

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