DE3477846D1 - Acoustic direction identification system - Google Patents

Acoustic direction identification system

Info

Publication number
DE3477846D1
DE3477846D1 DE8484903834T DE3477846T DE3477846D1 DE 3477846 D1 DE3477846 D1 DE 3477846D1 DE 8484903834 T DE8484903834 T DE 8484903834T DE 3477846 T DE3477846 T DE 3477846T DE 3477846 D1 DE3477846 D1 DE 3477846D1
Authority
DE
Germany
Prior art keywords
identification system
direction identification
acoustic direction
acoustic
identification
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.)
Expired
Application number
DE8484903834T
Other languages
English (en)
Inventor
Cecil Coker
David Fischell
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.)
AT&T Corp
Original Assignee
American Telephone and Telegraph Co Inc
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 American Telephone and Telegraph Co Inc filed Critical American Telephone and Telegraph Co Inc
Application granted granted Critical
Publication of DE3477846D1 publication Critical patent/DE3477846D1/de
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/005—Circuits for transducers, loudspeakers or microphones for combining the signals of two or more microphones
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/80—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using ultrasonic, sonic or infrasonic waves
    • G01S3/802—Systems for determining direction or deviation from predetermined direction
    • G01S3/808—Systems for determining direction or deviation from predetermined direction using transducers spaced apart and measuring phase or time difference between signals therefrom, i.e. path-difference systems
    • G01S3/8083—Systems for determining direction or deviation from predetermined direction using transducers spaced apart and measuring phase or time difference between signals therefrom, i.e. path-difference systems determining direction of source
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
    • H04R2201/40—Details of arrangements for obtaining desired directional characteristic by combining a number of identical transducers covered by H04R1/40 but not provided for in any of its subgroups
    • H04R2201/403—Linear arrays of transducers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
DE8484903834T 1983-11-04 1984-10-04 Acoustic direction identification system Expired DE3477846D1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/549,258 US4581758A (en) 1983-11-04 1983-11-04 Acoustic direction identification system
PCT/US1984/001584 WO1985002022A1 (en) 1983-11-04 1984-10-04 Acoustic direction identification system

Publications (1)

Publication Number Publication Date
DE3477846D1 true DE3477846D1 (en) 1989-05-24

Family

ID=24192261

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8484903834T Expired DE3477846D1 (en) 1983-11-04 1984-10-04 Acoustic direction identification system

Country Status (6)

Country Link
US (1) US4581758A (de)
EP (1) EP0162858B1 (de)
JP (1) JPS61500329A (de)
CA (1) CA1230666A (de)
DE (1) DE3477846D1 (de)
WO (1) WO1985002022A1 (de)

Families Citing this family (89)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3509358A1 (de) * 1984-03-27 1985-11-14 Head Stereo GmbH Kopfbezogene Aufnahme- und Wiedergabetechnik, 8000 München Simulationsverfahren und vorrichtung (elektronischer kunstkopf) zur nachbildung der uebertragungseigenschaften des menschlichen aussenohrs bei freifeldbeschallung
EP0219339A3 (de) * 1985-10-14 1988-03-23 Gec Avionics Limited Als aktiver Entfernungsmesser anwendbares akustisches Peilgerät
US4802227A (en) * 1987-04-03 1989-01-31 American Telephone And Telegraph Company Noise reduction processing arrangement for microphone arrays
DE3742929C1 (de) * 1987-12-18 1988-09-29 Daimler Benz Ag Verfahren zur Verbesserung der Zuverlaessigkeit von Sprachsteuerungen von Funktionselementen und Vorrichtung zu dessen Durchfuehrung
EP0423537B1 (de) * 1989-10-18 1995-03-01 Siemens Aktiengesellschaft Verfahren zur automatischen Sprachrichtungsumschaltung und Schaltungsanordnung zur Durchführung des Verfahrens
US5020098A (en) * 1989-11-03 1991-05-28 At&T Bell Laboratories Telephone conferencing arrangement
US5058419A (en) * 1990-04-10 1991-10-22 Earl H. Ruble Method and apparatus for determining the location of a sound source
US5319359A (en) * 1992-04-10 1994-06-07 Sony Electronics Inc. Cross fade indicators
US5335011A (en) * 1993-01-12 1994-08-02 Bell Communications Research, Inc. Sound localization system for teleconferencing using self-steering microphone arrays
AU6792194A (en) * 1993-05-03 1994-11-21 University Of British Columbia, The Tracking platform system
US5664021A (en) * 1993-10-05 1997-09-02 Picturetel Corporation Microphone system for teleconferencing system
JPH07264452A (ja) * 1994-02-03 1995-10-13 Samsung Electron Co Ltd カメラ一体型の磁気記録再生装置およびその方法
CA2148631C (en) * 1994-06-20 2000-06-13 John J. Hildin Voice-following video system
CA2149680A1 (en) * 1994-06-30 1995-12-31 John Charles Baumhauer Jr. Direction finder
US5828997A (en) * 1995-06-07 1998-10-27 Sensimetrics Corporation Content analyzer mixing inverse-direction-probability-weighted noise to input signal
US5694474A (en) * 1995-09-18 1997-12-02 Interval Research Corporation Adaptive filter for signal processing and method therefor
US7012630B2 (en) * 1996-02-08 2006-03-14 Verizon Services Corp. Spatial sound conference system and apparatus
US5778082A (en) * 1996-06-14 1998-07-07 Picturetel Corporation Method and apparatus for localization of an acoustic source
US5825898A (en) * 1996-06-27 1998-10-20 Lamar Signal Processing Ltd. System and method for adaptive interference cancelling
US6178248B1 (en) 1997-04-14 2001-01-23 Andrea Electronics Corporation Dual-processing interference cancelling system and method
US6016449A (en) 1997-10-27 2000-01-18 Neuropace, Inc. System for treatment of neurological disorders
US6198693B1 (en) * 1998-04-13 2001-03-06 Andrea Electronics Corporation System and method for finding the direction of a wave source using an array of sensors
KR100779409B1 (ko) * 1998-11-11 2007-11-26 코닌클리케 필립스 일렉트로닉스 엔.브이. 향상된 신호 위치 측정 장치
US6363345B1 (en) 1999-02-18 2002-03-26 Andrea Electronics Corporation System, method and apparatus for cancelling noise
US6463414B1 (en) * 1999-04-12 2002-10-08 Conexant Systems, Inc. Conference bridge processing of speech in a packet network environment
US6594367B1 (en) 1999-10-25 2003-07-15 Andrea Electronics Corporation Super directional beamforming design and implementation
GB2364121B (en) * 2000-06-30 2004-11-24 Mitel Corp Method and apparatus for locating a talker
US6973184B1 (en) * 2000-07-11 2005-12-06 Cisco Technology, Inc. System and method for stereo conferencing over low-bandwidth links
US7039198B2 (en) * 2000-11-10 2006-05-02 Quindi Acoustic source localization system and method
AUPR141200A0 (en) * 2000-11-13 2000-12-07 Symons, Ian Robert Directional microphone
GB2375698A (en) * 2001-02-07 2002-11-20 Canon Kk Audio signal processing apparatus
US20020140804A1 (en) * 2001-03-30 2002-10-03 Koninklijke Philips Electronics N.V. Method and apparatus for audio/image speaker detection and locator
GB0120450D0 (en) * 2001-08-22 2001-10-17 Mitel Knowledge Corp Robust talker localization in reverberant environment
US20030050777A1 (en) * 2001-09-07 2003-03-13 Walker William Donald System and method for automatic transcription of conversations
US6792118B2 (en) * 2001-11-14 2004-09-14 Applied Neurosystems Corporation Computation of multi-sensor time delays
US20040024596A1 (en) * 2002-07-31 2004-02-05 Carney Laurel H. Noise reduction system
EP1558330A4 (de) * 2002-10-15 2008-10-01 Medtronic Inc Zyklusmodus mit redundantem backup zurgewährleistung der beendigung einer behandlung in einem medizinischen vorrichtungssystem
WO2004036454A2 (en) * 2002-10-15 2004-04-29 Creo Inc. Automated information management system and methods
EP1629341A4 (de) * 2002-10-15 2008-10-15 Medtronic Inc Multimodaler betrieb eines medizinischen einrichtungssystems
US7715919B2 (en) * 2002-10-15 2010-05-11 Medtronic, Inc. Control of treatment therapy during start-up and during operation of a medical device system
WO2004034883A2 (en) * 2002-10-15 2004-04-29 Medtronic Inc. Synchronization and calibration of clocks for a medical device and calibrated clock
EP1558130A4 (de) * 2002-10-15 2009-01-28 Medtronic Inc Screening-techniken für die behandlungeiner erkrankung des nervensystems
EP1558128B1 (de) * 2002-10-15 2014-04-30 Medtronic, Inc. Überwachung und kontrolle der signalqualität für ein medizinisches vorrichtungssystem
EP1558334B1 (de) * 2002-10-15 2015-03-18 Medtronic, Inc. Konfiguration und prüfung von behandlungstherapieparametern für ein medizinisches einrichtungssystem
AU2003287166A1 (en) * 2002-10-15 2004-05-04 Medtronic Inc. Phase shifting of neurological signals in a medical device system
WO2004036370A2 (en) * 2002-10-15 2004-04-29 Medtronic Inc. Channel-selective blanking for a medical device system
US7282030B2 (en) * 2002-10-15 2007-10-16 Medtronic, Inc. Timed delay for redelivery of treatment therapy for a medical device system
WO2004036372A2 (en) * 2002-10-15 2004-04-29 Medtronic Inc. Scoring of sensed neurological signals for use with a medical device system
US8738136B2 (en) * 2002-10-15 2014-05-27 Medtronic, Inc. Clustering of recorded patient neurological activity to determine length of a neurological event
TWI235844B (en) * 2003-05-07 2005-07-11 Sunplus Technology Co Ltd Device and method to identify the direction of sound
GB0324536D0 (en) 2003-10-21 2003-11-26 Mitel Networks Corp Detecting acoustic echoes using microphone arrays
EP1705911A1 (de) * 2005-03-24 2006-09-27 Alcatel Videokonferenzsystem
US8457614B2 (en) * 2005-04-07 2013-06-04 Clearone Communications, Inc. Wireless multi-unit conference phone
DE102005057569A1 (de) * 2005-12-02 2007-06-06 Robert Bosch Gmbh Einrichtung zur Überwachung mit mindestens einer Videokamera
US8345890B2 (en) 2006-01-05 2013-01-01 Audience, Inc. System and method for utilizing inter-microphone level differences for speech enhancement
DE602006001051T2 (de) * 2006-01-09 2009-07-02 Honda Research Institute Europe Gmbh Bestimmung des entsprechenden Messfensters zur Schallquellenortung in Echoumgebungen
US8204252B1 (en) 2006-10-10 2012-06-19 Audience, Inc. System and method for providing close microphone adaptive array processing
US8744844B2 (en) * 2007-07-06 2014-06-03 Audience, Inc. System and method for adaptive intelligent noise suppression
US9185487B2 (en) * 2006-01-30 2015-11-10 Audience, Inc. System and method for providing noise suppression utilizing null processing noise subtraction
US8194880B2 (en) * 2006-01-30 2012-06-05 Audience, Inc. System and method for utilizing omni-directional microphones for speech enhancement
US8326431B2 (en) * 2006-04-28 2012-12-04 Medtronic, Inc. Implantable medical device for the concurrent treatment of a plurality of neurological disorders and method therefore
US8949120B1 (en) 2006-05-25 2015-02-03 Audience, Inc. Adaptive noise cancelation
US8934641B2 (en) * 2006-05-25 2015-01-13 Audience, Inc. Systems and methods for reconstructing decomposed audio signals
US8204253B1 (en) 2008-06-30 2012-06-19 Audience, Inc. Self calibration of audio device
US8150065B2 (en) * 2006-05-25 2012-04-03 Audience, Inc. System and method for processing an audio signal
US8849231B1 (en) 2007-08-08 2014-09-30 Audience, Inc. System and method for adaptive power control
EP1862813A1 (de) * 2006-05-31 2007-12-05 Honda Research Institute Europe GmbH Verfahren zur Kalkulation der Position einer Schallquelle für Online-Kalibrierung von Hörsignalen zu Standorttransformationen
AU2007221976B2 (en) 2006-10-19 2009-12-24 Polycom, Inc. Ultrasonic camera tracking system and associated methods
DE102007002905A1 (de) * 2007-01-19 2008-07-24 Siemens Ag Verfahren und Vorrichtung zur Aufnahme eines Sprachsignals
US8259926B1 (en) 2007-02-23 2012-09-04 Audience, Inc. System and method for 2-channel and 3-channel acoustic echo cancellation
JP4697810B2 (ja) * 2007-03-05 2011-06-08 パナソニック株式会社 自動追尾装置及び自動追尾方法
TWI327230B (en) * 2007-04-03 2010-07-11 Ind Tech Res Inst Sound source localization system and sound soure localization method
US8189766B1 (en) 2007-07-26 2012-05-29 Audience, Inc. System and method for blind subband acoustic echo cancellation postfiltering
US8180064B1 (en) 2007-12-21 2012-05-15 Audience, Inc. System and method for providing voice equalization
US8143620B1 (en) 2007-12-21 2012-03-27 Audience, Inc. System and method for adaptive classification of audio sources
US8194882B2 (en) 2008-02-29 2012-06-05 Audience, Inc. System and method for providing single microphone noise suppression fallback
US8355511B2 (en) 2008-03-18 2013-01-15 Audience, Inc. System and method for envelope-based acoustic echo cancellation
US8521530B1 (en) 2008-06-30 2013-08-27 Audience, Inc. System and method for enhancing a monaural audio signal
US8774423B1 (en) 2008-06-30 2014-07-08 Audience, Inc. System and method for controlling adaptivity of signal modification using a phantom coefficient
US20100008515A1 (en) * 2008-07-10 2010-01-14 David Robert Fulton Multiple acoustic threat assessment system
WO2010084756A1 (ja) * 2009-01-22 2010-07-29 パナソニック株式会社 ステレオ音響信号符号化装置、ステレオ音響信号復号装置およびそれらの方法
US9008329B1 (en) 2010-01-26 2015-04-14 Audience, Inc. Noise reduction using multi-feature cluster tracker
JP2013135325A (ja) * 2011-12-26 2013-07-08 Fuji Xerox Co Ltd 音声解析装置
JP5867066B2 (ja) * 2011-12-26 2016-02-24 富士ゼロックス株式会社 音声解析装置
JP6031761B2 (ja) * 2011-12-28 2016-11-24 富士ゼロックス株式会社 音声解析装置および音声解析システム
US9640194B1 (en) 2012-10-04 2017-05-02 Knowles Electronics, Llc Noise suppression for speech processing based on machine-learning mask estimation
US9536540B2 (en) 2013-07-19 2017-01-03 Knowles Electronics, Llc Speech signal separation and synthesis based on auditory scene analysis and speech modeling
DE112015003945T5 (de) 2014-08-28 2017-05-11 Knowles Electronics, Llc Mehrquellen-Rauschunterdrückung
US11722763B2 (en) 2021-08-06 2023-08-08 Motorola Solutions, Inc. System and method for audio tagging of an object of interest

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3878381A (en) * 1966-12-07 1975-04-15 Us Navy Correlation circuit including vernier
US3559161A (en) * 1967-07-24 1971-01-26 Honeywell Inc Acoustic position reference system
GB1318044A (en) * 1970-06-05 1973-05-23 British Aircraft Corp Ltd Sonar apparatus
US4031501A (en) * 1975-02-04 1977-06-21 The United States Of America As Represented By The Secretary Of The Army Apparatus for electronically locating analog signals
US4131760A (en) * 1977-12-07 1978-12-26 Bell Telephone Laboratories, Incorporated Multiple microphone dereverberation system

Also Published As

Publication number Publication date
EP0162858A1 (de) 1985-12-04
JPS61500329A (ja) 1986-02-27
WO1985002022A1 (en) 1985-05-09
JPH0546910B2 (de) 1993-07-15
US4581758A (en) 1986-04-08
EP0162858B1 (de) 1989-04-19
CA1230666A (en) 1987-12-22

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Free format text: BLUMBACH, KRAMER & PARTNER, 65193 WIESBADEN

8339 Ceased/non-payment of the annual fee