DE69225744D1 - Kompensation im Zeitbereich für Fehlanpassungen von Wandlern - Google Patents

Kompensation im Zeitbereich für Fehlanpassungen von Wandlern

Info

Publication number
DE69225744D1
DE69225744D1 DE69225744T DE69225744T DE69225744D1 DE 69225744 D1 DE69225744 D1 DE 69225744D1 DE 69225744 T DE69225744 T DE 69225744T DE 69225744 T DE69225744 T DE 69225744T DE 69225744 D1 DE69225744 D1 DE 69225744D1
Authority
DE
Germany
Prior art keywords
mismatch
transducer
time domain
domain compensation
compensation
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 - Fee Related
Application number
DE69225744T
Other languages
English (en)
Other versions
DE69225744T2 (de
Inventor
James W Waite
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.)
Agilent Technologies Inc
Original Assignee
Hewlett Packard Co
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 Hewlett Packard Co filed Critical Hewlett Packard Co
Publication of DE69225744D1 publication Critical patent/DE69225744D1/de
Application granted granted Critical
Publication of DE69225744T2 publication Critical patent/DE69225744T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H04R29/00—Monitoring arrangements; Testing arrangements
    • H04R29/004—Monitoring arrangements; Testing arrangements for microphones
    • H04R29/005—Microphone arrays
    • H04R29/006—Microphone matching
DE69225744T 1991-04-15 1992-03-24 Kompensation im Zeitbereich für Fehlanpassungen von Wandlern Expired - Fee Related DE69225744T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/685,370 US5224170A (en) 1991-04-15 1991-04-15 Time domain compensation for transducer mismatch

Publications (2)

Publication Number Publication Date
DE69225744D1 true DE69225744D1 (de) 1998-07-09
DE69225744T2 DE69225744T2 (de) 1998-09-24

Family

ID=24751913

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69225744T Expired - Fee Related DE69225744T2 (de) 1991-04-15 1992-03-24 Kompensation im Zeitbereich für Fehlanpassungen von Wandlern

Country Status (4)

Country Link
US (1) US5224170A (de)
EP (1) EP0509654B1 (de)
JP (1) JP3228782B2 (de)
DE (1) DE69225744T2 (de)

Families Citing this family (50)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9116433D0 (en) * 1991-07-30 1991-09-11 Active Noise & Vibration Tech Noise reduction system
KR0151031B1 (ko) * 1994-06-23 1998-10-15 김광호 디지탈 필터회로와 그 신호 처리방법
US5579243A (en) * 1994-09-20 1996-11-26 Lucent Technologies Inc. Modal parameter estimation for stable filters
US6130949A (en) * 1996-09-18 2000-10-10 Nippon Telegraph And Telephone Corporation Method and apparatus for separation of source, program recorded medium therefor, method and apparatus for detection of sound source zone, and program recorded medium therefor
DE19704598C1 (de) * 1997-02-07 1998-06-18 Bruker Analytische Messtechnik Verfahren zur Gewinnung eines optischen FT-Spektrums
US6507790B1 (en) 1998-07-15 2003-01-14 Horton, Inc. Acoustic monitor
WO2000030264A1 (en) 1998-11-13 2000-05-25 Bitwave Private Limited Signal processing apparatus and method
US7471798B2 (en) * 2000-09-29 2008-12-30 Knowles Electronics, Llc Microphone array having a second order directional pattern
US7065220B2 (en) 2000-09-29 2006-06-20 Knowles Electronics, Inc. Microphone array having a second order directional pattern
WO2003036614A2 (en) * 2001-09-12 2003-05-01 Bitwave Private Limited System and apparatus for speech communication and speech recognition
DE60330459D1 (de) * 2002-07-10 2010-01-21 Nxp Bv Stereosignalsverarbeitungsgerät
JP2005308512A (ja) * 2004-04-21 2005-11-04 Agilent Technol Inc スペクトラム処理方法および該方法を用いる測定装置
US7688985B2 (en) * 2004-04-30 2010-03-30 Phonak Ag Automatic microphone matching
DE102004052912A1 (de) * 2004-11-02 2006-05-11 Siemens Audiologische Technik Gmbh Verfahren zur Reduktion von Störleistungen bei einem Richtmikrophon und entsprechendes Akustiksystem
US8345890B2 (en) 2006-01-05 2013-01-01 Audience, Inc. System and method for utilizing inter-microphone level differences for speech enhancement
GB2434649A (en) * 2006-01-28 2007-08-01 Martin Paul Simpson Signal analyser
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
US8204252B1 (en) 2006-10-10 2012-06-19 Audience, Inc. System and method for providing close microphone adaptive array processing
US8194880B2 (en) * 2006-01-30 2012-06-05 Audience, Inc. System and method for utilizing omni-directional microphones for speech enhancement
US8204253B1 (en) 2008-06-30 2012-06-19 Audience, Inc. Self calibration of audio device
US8949120B1 (en) 2006-05-25 2015-02-03 Audience, Inc. Adaptive noise cancelation
US8150065B2 (en) * 2006-05-25 2012-04-03 Audience, Inc. System and method for processing an audio signal
US20080152167A1 (en) * 2006-12-22 2008-06-26 Step Communications Corporation Near-field vector signal enhancement
US8259926B1 (en) 2007-02-23 2012-09-04 Audience, Inc. System and method for 2-channel and 3-channel acoustic echo cancellation
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
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
US8229126B2 (en) * 2009-03-13 2012-07-24 Harris Corporation Noise error amplitude reduction
US9838784B2 (en) 2009-12-02 2017-12-05 Knowles Electronics, Llc Directional audio capture
US9008329B1 (en) 2010-01-26 2015-04-14 Audience, Inc. Noise reduction using multi-feature cluster tracker
US9648421B2 (en) 2011-12-14 2017-05-09 Harris Corporation Systems and methods for matching gain levels of transducers
US9640194B1 (en) 2012-10-04 2017-05-02 Knowles Electronics, Llc Noise suppression for speech processing based on machine-learning mask estimation
CN102946253B (zh) * 2012-10-23 2016-06-08 保定市三川电气有限责任公司 数据采样方法与系统及其在参数辨识中的应用方法与系统
US9536540B2 (en) 2013-07-19 2017-01-03 Knowles Electronics, Llc Speech signal separation and synthesis based on auditory scene analysis and speech modeling
US9674626B1 (en) 2014-08-07 2017-06-06 Cirrus Logic, Inc. Apparatus and method for measuring relative frequency response of audio device microphones
CN106797512B (zh) 2014-08-28 2019-10-25 美商楼氏电子有限公司 多源噪声抑制的方法、系统和非瞬时计算机可读存储介质
WO2016040885A1 (en) 2014-09-12 2016-03-17 Audience, Inc. Systems and methods for restoration of speech components
US9820042B1 (en) 2016-05-02 2017-11-14 Knowles Electronics, Llc Stereo separation and directional suppression with omni-directional microphones
CN107144343A (zh) * 2017-07-10 2017-09-08 薛天 低频振动位移传感器组网方法、系统及装置
US11523212B2 (en) 2018-06-01 2022-12-06 Shure Acquisition Holdings, Inc. Pattern-forming microphone array
US11297423B2 (en) 2018-06-15 2022-04-05 Shure Acquisition Holdings, Inc. Endfire linear array microphone
CN113841421A (zh) 2019-03-21 2021-12-24 舒尔获得控股公司 具有抑制功能的波束形成麦克风瓣的自动对焦、区域内自动对焦、及自动配置
TW202101422A (zh) 2019-05-23 2021-01-01 美商舒爾獲得控股公司 可操縱揚聲器陣列、系統及其方法
US11639994B1 (en) * 2019-07-19 2023-05-02 The United States Of America As Represented By The Secretary Of The Navy Methods for locating underwater objects by sensing pressure waves
US11297426B2 (en) 2019-08-23 2022-04-05 Shure Acquisition Holdings, Inc. One-dimensional array microphone with improved directivity
US11796562B2 (en) 2020-05-29 2023-10-24 Aivs Inc. Acoustic intensity sensor using a MEMS triaxial accelerometer and MEMS microphones
WO2022165007A1 (en) * 2021-01-28 2022-08-04 Shure Acquisition Holdings, Inc. Hybrid audio beamforming system

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4306113A (en) * 1979-11-23 1981-12-15 Morton Roger R A Method and equalization of home audio systems
US4658367A (en) * 1984-08-23 1987-04-14 Hewlett-Packard Company Noise corrected pole and zero analyzer
US4654808A (en) * 1984-08-23 1987-03-31 Hewlett-Packard Company Noise corrected pole and zero analyzer
DK152160C (da) * 1985-05-28 1988-08-15 Brueel & Kjaer As Anordning ved trykmikrofoner til forbedring af disses lavfrekvensegenskaber
DK155269C (da) * 1986-07-17 1989-07-24 Brueel & Kjaer As Trykgradientmikrofon
US4741038A (en) * 1986-09-26 1988-04-26 American Telephone And Telegraph Company, At&T Bell Laboratories Sound location arrangement
JPH0728470B2 (ja) * 1989-02-03 1995-03-29 松下電器産業株式会社 アレイマイクロホン

Also Published As

Publication number Publication date
JP3228782B2 (ja) 2001-11-12
EP0509654A3 (en) 1994-11-02
JPH05172865A (ja) 1993-07-13
EP0509654A2 (de) 1992-10-21
US5224170A (en) 1993-06-29
DE69225744T2 (de) 1998-09-24
EP0509654B1 (de) 1998-06-03

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: AGILENT TECHNOLOGIES, INC. (N.D.GES.D.STAATES DELA

8327 Change in the person/name/address of the patent owner

Owner name: AGILENT TECHNOLOGIES, INC. (N.D.GES.D. STAATES, US

8339 Ceased/non-payment of the annual fee