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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US7471798B2 (en) * 2000-09-29 2008-12-30 Knowles Electronics, Llc Microphone array having a second order directional pattern
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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
US7570772B2 (en) 2003-05-15 2009-08-04 Oticon A/S Microphone with adjustable properties
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
DK1773098T3 (da) * 2005-10-06 2013-03-18 Oticon As System og fremgangsmåde til tilpasning af mikrofoner
JP2009529699A (ja) * 2006-03-01 2009-08-20 ソフトマックス，インコーポレイテッド 分離信号を生成するシステムおよび方法
US20080152167A1 (en) * 2006-12-22 2008-06-26 Step Communications Corporation Near-field vector signal enhancement
TW200849219A (en) * 2007-02-26 2008-12-16 Qualcomm Inc 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
US8275151B2 (en) * 2007-12-19 2012-09-25 Agere Systems Inc. Speakerphone using adaptive phase rotation
US8175291B2 (en) * 2007-12-19 2012-05-08 Qualcomm Incorporated Systems, methods, and apparatus for multi-microphone based speech enhancement
US8321214B2 (en) * 2008-06-02 2012-11-27 Qualcomm Incorporated Systems, methods, and apparatus for multichannel signal amplitude balancing
JP2012501609A (ja) * 2008-08-29 2012-01-19 ザ・ペン・ステイト・リサーチ・ファウンデイション バランスドアーマチュアデバイスの歪みを低減する方法及び装置
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
CN102577438B (zh) 2009-10-09 2014-12-10 国家收购附属公司 输入信号失配补偿系统
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
DK3343956T3 (en) 2016-12-30 2021-05-03 Sonion Nederland Bv A 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
JP2020036215A (ja) 2018-08-30 2020-03-05 Tdk株式会社 Ｍｅｍｓマイクロフォン
JP2020036214A (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
US20260012740A1 (en) * 2024-07-03 2026-01-08 Bose Corporation Wearable device with blocked sensor detection

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US4412097A (en) * 1980-01-28 1983-10-25 Victor Company Of Japan, Ltd. Variable-directivity microphone device
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
JPS5964994A (ja) 1982-10-05 1984-04-13 Matsushita Electric Ind Co Ltd マイクロホン装置
US4622440A (en) 1984-04-11 1986-11-11 In Tech Systems Corp. Differential hearing aid with programmable frequency response
US4718099A (en) * 1986-01-29 1988-01-05 Telex Communications, Inc. Automatic gain control for hearing aid
DE69221762T2 (de) 1991-04-18 1998-03-05 Matsushita Electric Ind Co Ltd Mikrofon-Apparat
US5757933A (en) * 1996-12-11 1998-05-26 Micro Ear Technology, Inc. In-the-ear hearing aid with directional microphone system
KR100198289B1 (ko) * 1996-12-27 1999-06-15 구자홍 마이크 시스템의 지향성 제어장치와 제어방법
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
DE69933627T2 (de) 2007-08-23
US6654468B1 (en) 2003-11-25
DE69933627D1 (de) 2006-11-30
EP0982971A3 (en) 2001-04-18
EP0982971A2 (en) 2000-03-01
US20030198356A1 (en) 2003-10-23
US7113604B2 (en) 2006-09-26
EP0982971B1 (en) 2006-10-18

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