DE69933627D1 - Vorrichtung und Verfahren zur Anpassung des Phasen- und Amplitudenfrequenzgangs eines Mikrofons - Google Patents

Vorrichtung und Verfahren zur Anpassung des Phasen- und Amplitudenfrequenzgangs eines Mikrofons

Info

Publication number
DE69933627D1
DE69933627D1 DE69933627T DE69933627T DE69933627D1 DE 69933627 D1 DE69933627 D1 DE 69933627D1 DE 69933627 T DE69933627 T DE 69933627T DE 69933627 T DE69933627 T DE 69933627T DE 69933627 D1 DE69933627 D1 DE 69933627D1
Authority
DE
Germany
Prior art keywords
microphone
adjusting
phase
amplitude response
amplitude
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 - Lifetime
Application number
DE69933627T
Other languages
English (en)
Other versions
DE69933627T2 (de
Inventor
Stephen C Thompson
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.)
Knowles Electronics LLC
Original Assignee
Knowles Electronics 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 Knowles Electronics LLC filed Critical Knowles Electronics LLC
Application granted granted Critical
Publication of DE69933627D1 publication Critical patent/DE69933627D1/de
Publication of DE69933627T2 publication Critical patent/DE69933627T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • H04R25/40—Arrangements for obtaining a desired directivity characteristic
    • H04R25/407—Circuits for combining signals of a plurality of transducers
    • 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
    • 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
    • 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
    • H04R3/04—Circuits for transducers, loudspeakers or microphones for correcting frequency response

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Neurosurgery (AREA)
  • Circuit For Audible Band Transducer (AREA)
DE69933627T 1998-08-25 1999-08-20 Vorrichtung und Verfahren zur Anpassung des Phasen- und Amplitudenfrequenzgangs eines Mikrofons Expired - Lifetime DE69933627T2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US9792698P 1998-08-25 1998-08-25
US97926P 1998-08-25
US09/193,012 US6654468B1 (en) 1998-08-25 1998-11-16 Apparatus and method for matching the response of microphones in magnitude and phase
US193012 1998-11-16

Publications (2)

Publication Number Publication Date
DE69933627D1 true DE69933627D1 (de) 2006-11-30
DE69933627T2 DE69933627T2 (de) 2007-08-23

Family

ID=26793792

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69933627T Expired - Lifetime DE69933627T2 (de) 1998-08-25 1999-08-20 Vorrichtung und Verfahren zur Anpassung des Phasen- und Amplitudenfrequenzgangs eines Mikrofons

Country Status (4)

Country Link
US (2) US6654468B1 (de)
EP (1) EP0982971B1 (de)
DE (1) DE69933627T2 (de)
DK (1) DK0982971T3 (de)

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DE10310579B4 (de) * 2003-03-11 2005-06-16 Siemens Audiologische Technik Gmbh Automatischer Mikrofonabgleich bei einem Richtmikrofonsystem mit wenigstens drei Mikrofonen
DE10310580A1 (de) 2003-03-11 2004-10-07 Siemens Audiologische Technik Gmbh Vorrichtung und Verfahren zur Adaption von Hörgerätemikrofonen
EP1629687A1 (de) 2003-05-15 2006-03-01 Oticon A/S Mikrofon mit regelbaren eigenschaften
DE10327890A1 (de) 2003-06-20 2005-01-20 Siemens Audiologische Technik Gmbh Verfahren zum Betrieb eines Hörhilfegerätes sowie Hörhilfegerät mit einem Mikrofonsystem, bei dem unterschiedliche Richtcharakteristiken einstellbar sind
US7424119B2 (en) * 2003-08-29 2008-09-09 Audio-Technica, U.S., Inc. Voice matching system for audio transducers
DE102004010867B3 (de) 2004-03-05 2005-08-18 Siemens Audiologische Technik Gmbh Verfahren und Vorrichtung zum Anpassen der Phasen von Mikrofonen eines Hörgeräterichtmikrofons
US7688985B2 (en) * 2004-04-30 2010-03-30 Phonak Ag Automatic microphone matching
DK200401280A (da) * 2004-08-24 2006-02-25 Oticon As Lavfrekvens fase matchning til mikrofoner
DK1806030T3 (da) * 2004-10-19 2014-11-03 Widex As System og fremgangsmåde til adaptiv mikrofontilpasning i et høreapparat
DK1773098T3 (da) * 2005-10-06 2013-03-18 Oticon As System og fremgangsmåde til tilpasning af mikrofoner
KR100959050B1 (ko) * 2006-03-01 2010-05-20 소프트맥스 인코퍼레이티드 분리된 신호를 생성하는 시스템 및 방법
US20080152167A1 (en) * 2006-12-22 2008-06-26 Step Communications Corporation Near-field vector signal enhancement
US8160273B2 (en) * 2007-02-26 2012-04-17 Erik Visser Systems, methods, and apparatus for signal separation using data driven techniques
EP2115743A1 (de) * 2007-02-26 2009-11-11 QUALCOMM Incorporated Systeme, verfahren und vorrichtung zur signaltrennung
JP2008278476A (ja) * 2007-04-05 2008-11-13 Yamaha Corp コンデンサマイク装置のｓｎ比改善方法およびコンデンサマイク装置並びにコンデンサマイク装置搭載機器
JP5130895B2 (ja) * 2007-12-13 2013-01-30 ソニー株式会社 音声処理装置、音声処理システム、音声処理プログラム及び音声処理方法
US8175291B2 (en) * 2007-12-19 2012-05-08 Qualcomm Incorporated Systems, methods, and apparatus for multi-microphone based speech enhancement
US8275151B2 (en) * 2007-12-19 2012-09-25 Agere Systems Inc. Speakerphone using adaptive phase rotation
US8321214B2 (en) * 2008-06-02 2012-11-27 Qualcomm Incorporated Systems, methods, and apparatus for multichannel signal amplitude balancing
WO2010025351A2 (en) * 2008-08-29 2010-03-04 The Peen State Research Foundation Methods and apparatus for reduced distortion balanced armature devices
US8724829B2 (en) * 2008-10-24 2014-05-13 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for coherence detection
US8229126B2 (en) * 2009-03-13 2012-07-24 Harris Corporation Noise error amplitude reduction
US8620672B2 (en) * 2009-06-09 2013-12-31 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for phase-based processing of multichannel signal
US8731210B2 (en) * 2009-09-21 2014-05-20 Mediatek Inc. Audio processing methods and apparatuses utilizing the same
WO2011044395A1 (en) * 2009-10-09 2011-04-14 National Acquisition Sub, Inc. An input signal mismatch compensation system
US9648421B2 (en) 2011-12-14 2017-05-09 Harris Corporation Systems and methods for matching gain levels of transducers
FR3018418B1 (fr) * 2014-03-04 2017-11-10 Univ Maine Dispositif et procede de filtrage du pic de resonance dans un circuit d'alimentation d'au moins un haut-parleur
FR3018419B1 (fr) * 2014-03-05 2017-06-23 Univ Maine Dispositif et procede de filtrage du pic de resonance dans un circuit d'alimentation d'au moins un haut-parleur en amont de celui-ci
WO2017011461A1 (en) 2015-07-15 2017-01-19 Knowles Electronics, Llc Hybrid transducer
US9843292B2 (en) 2015-10-14 2017-12-12 Knowles Electronics, Llc Method and apparatus for maintaining DC bias
WO2017083679A1 (en) 2015-11-12 2017-05-18 Knowles Electronics, Llc Method and apparatus to increase audio band microphone sensitivity
US10244333B2 (en) * 2016-06-06 2019-03-26 Starkey Laboratories, Inc. Method and apparatus for improving speech intelligibility in hearing devices using remote microphone
US10477308B2 (en) 2016-12-30 2019-11-12 Sonion Nederland B.V. Circuit and a receiver comprising the circuit
CN109218920B (zh) * 2017-06-30 2020-09-18 华为技术有限公司 一种信号处理方法、装置及终端
JP2020036214A (ja) 2018-08-30 2020-03-05 Tdk株式会社 Ｍｅｍｓマイクロフォン
JP2020036215A (ja) 2018-08-30 2020-03-05 Tdk株式会社 Ｍｅｍｓマイクロフォン
US11062687B2 (en) * 2019-01-04 2021-07-13 Bose Corporation Compensation for microphone roll-off variation in acoustic devices
US11303994B2 (en) * 2019-07-14 2022-04-12 Peiker Acustic Gmbh Reduction of sensitivity to non-acoustic stimuli in a microphone array
WO2021021429A1 (en) * 2019-07-31 2021-02-04 Starkey Laboratories, Inc. Ear-worn electronic device incorporating microphone fault reduction system and method
CN213694096U (zh) 2019-12-27 2021-07-13 楼氏电子(苏州)有限公司 听力装置
DE102020200553B3 (de) * 2020-01-17 2021-05-12 Sivantos Pte. Ltd. Verfahren zur Abstimmung der jeweiligen Phasengänge eines ersten Mikrofones und eines zweiten Mikrofons

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US6035049A (en) * 1997-09-05 2000-03-07 Information Storage Devices, Inc. AC coupling and signal amplification using switched capacitors
US6654468B1 (en) * 1998-08-25 2003-11-25 Knowles Electronics, Llc Apparatus and method for matching the response of microphones in magnitude and phase
DE19918883C1 (de) * 1999-04-26 2000-11-30 Siemens Audiologische Technik Hörhilfegerät mit Richtmikrofoncharakteristik

Also Published As

Publication number Publication date
US6654468B1 (en) 2003-11-25
US20030198356A1 (en) 2003-10-23
EP0982971B1 (de) 2006-10-18
DE69933627T2 (de) 2007-08-23
US7113604B2 (en) 2006-09-26
DK0982971T3 (da) 2007-01-08
EP0982971A3 (de) 2001-04-18
EP0982971A2 (de) 2000-03-01

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