DK0982971T3 - Apparat og fremgangsmåde for tilpasning af mikrofonrespons i störrelse og fase - Google Patents

Apparat og fremgangsmåde for tilpasning af mikrofonrespons i störrelse og fase

Info

Publication number
DK0982971T3
DK0982971T3 DK99306623T DK99306623T DK0982971T3 DK 0982971 T3 DK0982971 T3 DK 0982971T3 DK 99306623 T DK99306623 T DK 99306623T DK 99306623 T DK99306623 T DK 99306623T DK 0982971 T3 DK0982971 T3 DK 0982971T3
Authority
DK
Denmark
Prior art keywords
phase
size
microphone response
adjusting microphone
adjusting
Prior art date
Application number
DK99306623T
Other languages
English (en)
Inventor
Stephen C Thompson
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 DK0982971T3 publication Critical patent/DK0982971T3/da

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Electric hearing aids
    • 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; ELECTRIC HEARING AIDS; 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; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers
    • H04R3/005—Circuits for transducers 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; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers
    • H04R3/04—Circuits for transducers 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)
DK99306623T 1998-08-25 1999-08-20 Apparat og fremgangsmåde for tilpasning af mikrofonrespons i störrelse og fase DK0982971T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US9792698P 1998-08-25 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

Publications (1)

Publication Number Publication Date
DK0982971T3 true DK0982971T3 (da) 2007-01-08

Family

ID=26793792

Family Applications (1)

Application Number Title Priority Date Filing Date
DK99306623T DK0982971T3 (da) 1998-08-25 1999-08-20 Apparat og fremgangsmåde for tilpasning af mikrofonrespons i störrelse og fase

Country Status (4)

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

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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
AU2004324310B2 (en) * 2004-10-19 2008-10-02 Widex A/S System and method for adaptive microphone matching in a hearing aid
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US20080152167A1 (en) * 2006-12-22 2008-06-26 Step Communications Corporation Near-field vector signal enhancement
EP2115743A1 (en) * 2007-02-26 2009-11-11 QUALCOMM Incorporated Systems, methods, and apparatus for signal separation
US8160273B2 (en) * 2007-02-26 2012-04-17 Erik Visser Systems, methods, and apparatus for signal separation using data driven techniques
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
EP2329657A4 (en) * 2008-08-29 2011-10-26 Penn State Res Found METHOD 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
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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
US11290809B2 (en) * 2019-07-14 2022-03-29 Peiker Acustic Gmbh Dynamic sensitivity matching of microphones in a microphone array
EP4005241B1 (en) * 2019-07-31 2024-08-21 Starkey Laboratories, Inc. Ear-worn electronic device incorporating microphone fault reduction system and method
CN213586269U (zh) 2019-12-27 2021-06-29 楼氏电子(苏州)有限公司 发声声学接收器
DE102020200553B3 (de) * 2020-01-17 2021-05-12 Sivantos Pte. Ltd. Verfahren zur Abstimmung der jeweiligen Phasengänge eines ersten Mikrofones und eines zweiten Mikrofons
US20260012740A1 (en) * 2024-07-03 2026-01-08 Bose Corporation Wearable device with blocked sensor detection

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JPS5715597A (en) 1980-07-02 1982-01-26 Nippon Gakki Seizo Kk Microphone device
FR2522451B1 (fr) 1982-03-01 1988-10-14 Audibel Perfectionnement au circuit de controle automatique de gain d'un systeme d'amplification a transistors et appareil de correction auditive equipe d'un tel circuit
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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
EP0982971A3 (en) 2001-04-18
EP0982971A2 (en) 2000-03-01
US20030198356A1 (en) 2003-10-23
DE69933627T2 (de) 2007-08-23
EP0982971B1 (en) 2006-10-18
US7113604B2 (en) 2006-09-26
US6654468B1 (en) 2003-11-25
DE69933627D1 (de) 2006-11-30

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