EP1571881A3 - Verfahren und Vorrichtung zum Anpassen der Phasen von Mikrofonen eines Hörgeräterichtmikrofons - Google Patents

Verfahren und Vorrichtung zum Anpassen der Phasen von Mikrofonen eines Hörgeräterichtmikrofons Download PDF

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Publication number
EP1571881A3
EP1571881A3 EP05101246A EP05101246A EP1571881A3 EP 1571881 A3 EP1571881 A3 EP 1571881A3 EP 05101246 A EP05101246 A EP 05101246A EP 05101246 A EP05101246 A EP 05101246A EP 1571881 A3 EP1571881 A3 EP 1571881A3
Authority
EP
European Patent Office
Prior art keywords
microphones
microphone
level
phase
adapting
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.)
Granted
Application number
EP05101246A
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English (en)
French (fr)
Other versions
EP1571881B1 (de
EP1571881A2 (de
Inventor
Eghart Fischer
Henning Dr. Puder
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.)
Sivantos GmbH
Original Assignee
Siemens Audioligische Technik GmbH
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Application filed by Siemens Audioligische Technik GmbH filed Critical Siemens Audioligische Technik GmbH
Publication of EP1571881A2 publication Critical patent/EP1571881A2/de
Publication of EP1571881A3 publication Critical patent/EP1571881A3/de
Application granted granted Critical
Publication of EP1571881B1 publication Critical patent/EP1571881B1/de
Active legal-status Critical Current
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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

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Neurosurgery (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)

Abstract

Die Phasenunterschiede von Mikrofonen eines Hörgerätemikrofons sollen reduziert werden. Hierzu wird der Pegel eines Ausgangssignals (y1(t)) eines Richtmikrofons mit einem omnidirektionalen Signal (y1'(t)) verglichen. Liegt der Pegel des Ausgangssignals des differenziellen Richtmikrofons (y1(t)) über dem Pegel des omnidirektionalen Signals (y1'(t)), wird durch adaptiven, frequenzselektiven Laufzeitausgleich (A) in einzelnen Frequenzbändern diese Pegeldifferenz minimiert und somit eine Phasenanpassung der Mikrophone (M1, M2) erreicht. Bei einem alternativen Verfahren wird die Mikrofonanpassung dadurch erreicht, dass man adaptiv die messbare Verzögerung der beiden Mikrofonsignale (x1,x2) in einzelnen Frequenzbändern auf einen Maximalwert begrenzt, der der Schalllaufzeit zwischen den Mikrofonen (M1,M2) entspricht. Somit kann eine Phasenanpassung ohne Kenntnis der Position einer Schallquelle geführt werden.
EP05101246A 2004-03-05 2005-02-18 Verfahren und Vorrichtung zum Anpassen der Phasen von Mikrofonen eines Hörgeräterichtmikrofons Active EP1571881B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004010867A DE102004010867B3 (de) 2004-03-05 2004-03-05 Verfahren und Vorrichtung zum Anpassen der Phasen von Mikrofonen eines Hörgeräterichtmikrofons
DE102004010867 2004-03-05

Publications (3)

Publication Number Publication Date
EP1571881A2 EP1571881A2 (de) 2005-09-07
EP1571881A3 true EP1571881A3 (de) 2008-05-28
EP1571881B1 EP1571881B1 (de) 2013-03-27

Family

ID=34745411

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05101246A Active EP1571881B1 (de) 2004-03-05 2005-02-18 Verfahren und Vorrichtung zum Anpassen der Phasen von Mikrofonen eines Hörgeräterichtmikrofons

Country Status (7)

Country Link
US (2) US7587058B2 (de)
EP (1) EP1571881B1 (de)
JP (1) JP4563218B2 (de)
CN (1) CN100584113C (de)
AU (1) AU2005200996B2 (de)
DE (1) DE102004010867B3 (de)
DK (1) DK1571881T3 (de)

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US7542580B2 (en) * 2005-02-25 2009-06-02 Starkey Laboratories, Inc. Microphone placement in hearing assistance devices to provide controlled directivity
EP1773098B1 (de) * 2005-10-06 2012-12-12 Oticon A/S Vorrichtung und Verfahren zur Anpassung von Mikrofonen
CN101321413B (zh) * 2008-07-04 2012-03-28 瑞声声学科技(深圳)有限公司 电容式麦克风
DE102008053070B4 (de) * 2008-10-24 2013-10-10 Günter Hortmann Hörgerät
US8442246B2 (en) 2009-04-28 2013-05-14 Panasonic Corporation Hearing aid device and hearing aid method
KR101601197B1 (ko) * 2009-09-28 2016-03-09 삼성전자주식회사 마이크로폰 어레이의 이득 조정 장치 및 방법
US8515109B2 (en) * 2009-11-19 2013-08-20 Gn Resound A/S Hearing aid with beamforming capability
EP2360943B1 (de) 2009-12-29 2013-04-17 GN Resound A/S Strahlformung in Hörgeräten
US8588441B2 (en) * 2010-01-29 2013-11-19 Phonak Ag Method for adaptively matching microphones of a hearing system as well as a hearing system
DE102011006471B4 (de) * 2011-03-31 2013-08-08 Siemens Medical Instruments Pte. Ltd. Hörhilfegerät sowie Hörgerätesystem mit einem Richtmikrofonsystem sowie Verfahren zum Einstellen eines Richtmikrofons bei einem Hörhilfegerät
DK2843971T3 (en) * 2013-09-02 2019-02-04 Oticon As Hearing aid device with microphone in the ear canal
US10091579B2 (en) * 2014-05-29 2018-10-02 Cirrus Logic, Inc. Microphone mixing for wind noise reduction
US9685730B2 (en) 2014-09-12 2017-06-20 Steelcase Inc. Floor power distribution system
US9584910B2 (en) 2014-12-17 2017-02-28 Steelcase Inc. Sound gathering system
CN105355213B (zh) * 2015-11-11 2019-09-24 Oppo广东移动通信有限公司 一种定向录音的方法及装置
US10142730B1 (en) * 2017-09-25 2018-11-27 Cirrus Logic, Inc. Temporal and spatial detection of acoustic sources
DK3477964T3 (da) * 2017-10-27 2021-05-25 Oticon As Høresystem, der er konfigureret til at lokalisere en mållydkilde
DE102019205709B3 (de) * 2019-04-18 2020-07-09 Sivantos Pte. Ltd. Verfahren zur direktionalen Signalverarbeitung für ein Hörgerät
US11070907B2 (en) 2019-04-25 2021-07-20 Khaled Shami Signal matching method and device
US11487594B1 (en) 2019-09-24 2022-11-01 Meta Platforms Technologies, Llc Artificial reality system with inter-processor communication (IPC)
US11474970B2 (en) 2019-09-24 2022-10-18 Meta Platforms Technologies, Llc Artificial reality system with inter-processor communication (IPC)
US11520707B2 (en) 2019-11-15 2022-12-06 Meta Platforms Technologies, Llc System on a chip (SoC) communications to prevent direct memory access (DMA) attacks
US11190892B2 (en) 2019-11-20 2021-11-30 Facebook Technologies, Llc Audio sample phase alignment in an artificial reality system
DE102020200553B3 (de) * 2020-01-17 2021-05-12 Sivantos Pte. Ltd. Verfahren zur Abstimmung der jeweiligen Phasengänge eines ersten Mikrofones und eines zweiten Mikrofons
WO2022150950A1 (zh) * 2021-01-12 2022-07-21 华为技术有限公司 评估传声器阵列一致性的方法和装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0982971A2 (de) * 1998-08-25 2000-03-01 Knowles Electronics, Inc. Vorrichtung und Verfahren zur Anpassung Phasen und Amplituden-Frequenzgang eines Mikrofon
DE19849739A1 (de) * 1998-10-28 2000-05-31 Siemens Audiologische Technik Adaptives Verfahren zur Korrektur der Mikrofone eines Richtmikrofonsystems in einem Hörgerät sowie Hörgerät
DE19918883C1 (de) * 1999-04-26 2000-11-30 Siemens Audiologische Technik Hörhilfegerät mit Richtmikrofoncharakteristik
US6272229B1 (en) * 1999-08-03 2001-08-07 Topholm & Westermann Aps Hearing aid with adaptive matching of microphones
WO2002030150A2 (en) * 2000-10-04 2002-04-11 Widex A/S A hearing aid with adaptive matching of input transducers

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US5243660A (en) * 1992-05-28 1993-09-07 Zagorski Michael A Directional microphone system
US5325436A (en) * 1993-06-30 1994-06-28 House Ear Institute Method of signal processing for maintaining directional hearing with hearing aids
US5506908A (en) * 1994-06-30 1996-04-09 At&T Corp. Directional microphone system
EP0820210A3 (de) * 1997-08-20 1998-04-01 Phonak Ag Verfahren zur elektronischen Strahlformung von akustischen Signalen und akustisches Sensorgerät
US20010028718A1 (en) * 2000-02-17 2001-10-11 Audia Technology, Inc. Null adaptation in multi-microphone directional system
US7155019B2 (en) * 2000-03-14 2006-12-26 Apherma Corporation Adaptive microphone matching in multi-microphone directional system
US20030125233A1 (en) 2000-06-27 2003-07-03 Peter Carmeliet Use of urokinase inhibitors for the treatment and/or prevention of pulmonary hypertension and/or cardiac remodelling
US7116792B1 (en) * 2000-07-05 2006-10-03 Gn Resound North America Corporation Directional microphone system
JP3955265B2 (ja) * 2001-04-18 2007-08-08 ヴェーデクス・アクティーセルスカプ 指向性コントローラおよび補聴器を制御する方法
CA2396832C (en) * 2001-05-23 2008-12-16 Phonak Ag Method of generating an electrical output signal and acoustical/electrical conversion system
DK1307072T3 (da) * 2001-10-17 2008-04-14 Siemens Audiologische Technik Fremgangsmåde til et höreapparats drift samt höreapparat
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Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0982971A2 (de) * 1998-08-25 2000-03-01 Knowles Electronics, Inc. Vorrichtung und Verfahren zur Anpassung Phasen und Amplituden-Frequenzgang eines Mikrofon
DE19849739A1 (de) * 1998-10-28 2000-05-31 Siemens Audiologische Technik Adaptives Verfahren zur Korrektur der Mikrofone eines Richtmikrofonsystems in einem Hörgerät sowie Hörgerät
DE19918883C1 (de) * 1999-04-26 2000-11-30 Siemens Audiologische Technik Hörhilfegerät mit Richtmikrofoncharakteristik
US6272229B1 (en) * 1999-08-03 2001-08-07 Topholm & Westermann Aps Hearing aid with adaptive matching of microphones
WO2002030150A2 (en) * 2000-10-04 2002-04-11 Widex A/S A hearing aid with adaptive matching of input transducers

Also Published As

Publication number Publication date
CN1665350A (zh) 2005-09-07
DK1571881T3 (da) 2013-07-01
DE102004010867B3 (de) 2005-08-18
US20050244018A1 (en) 2005-11-03
AU2005200996A1 (en) 2005-09-22
EP1571881B1 (de) 2013-03-27
JP4563218B2 (ja) 2010-10-13
US20090285423A1 (en) 2009-11-19
JP2005253079A (ja) 2005-09-15
AU2005200996B2 (en) 2007-05-24
EP1571881A2 (de) 2005-09-07
US7970152B2 (en) 2011-06-28
CN100584113C (zh) 2010-01-20
US7587058B2 (en) 2009-09-08

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