EP2357850A3 - Verfahren und Hörgerät zur Rückkopplungserkennung und -unterdrückung mit einem Richtmikrofon - Google Patents

Verfahren und Hörgerät zur Rückkopplungserkennung und -unterdrückung mit einem Richtmikrofon Download PDF

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Publication number
EP2357850A3
EP2357850A3 EP10191186A EP10191186A EP2357850A3 EP 2357850 A3 EP2357850 A3 EP 2357850A3 EP 10191186 A EP10191186 A EP 10191186A EP 10191186 A EP10191186 A EP 10191186A EP 2357850 A3 EP2357850 A3 EP 2357850A3
Authority
EP
European Patent Office
Prior art keywords
signal
feedback
hearing aid
recognising
directional microphone
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
EP10191186A
Other languages
English (en)
French (fr)
Other versions
EP2357850B1 (de
EP2357850A2 (de
Inventor
Sebastian Pape
Stefan Petrausch
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 Pte Ltd
Original Assignee
Siemens Medical Instruments Pte Ltd
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 Siemens Medical Instruments Pte Ltd filed Critical Siemens Medical Instruments Pte Ltd
Publication of EP2357850A2 publication Critical patent/EP2357850A2/de
Publication of EP2357850A3 publication Critical patent/EP2357850A3/de
Application granted granted Critical
Publication of EP2357850B1 publication Critical patent/EP2357850B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • H04R25/45—Prevention of acoustic reaction, i.e. acoustic oscillatory feedback
    • H04R25/453—Prevention of acoustic reaction, i.e. acoustic oscillatory feedback electronically
    • 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
    • H04R25/405—Arrangements for obtaining a desired directivity characteristic by combining a plurality of transducers

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Neurosurgery (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)

Abstract

Die Erfindung gibt ein Verfahren zum Betrieb eines Hörgeräts (30) mit mindestens zwei omnidirektionalen, Mikrofonsignale (40) abgebenden Mikrofonen (31) und einer Detektionseinheit (37) zum Feststellen einer akustischen Rückkopplung (34) an. Das Verfahren umfasst eine erste elektrische Verschaltung (35) der Mikrofone (31) miteinander zur Bildung eines ersten Signals (41) mit Richtwirkung, eine Einstellung der Richtwirkung des ersten Signals (41) derart, dass die akustische Rückkopplung im ersten Signal (41) maximiert wird, und eine Analyse des ersten Signals (41) durch die Detektionseinheit (37) zum Feststellen der akustischen Rückkopplung. Die Erfindung gibt auch ein zugehöriges Hörgerät (30) an. Vorteilhaft daran ist, dass eine Detektion der Rückkopplung durch ein Signal (41) mit verbessertem Signal/Rauschverhältnis erfolgen kann. Rückkopplungen werden so verlässlicher und schneller erkannt.
EP10191186.5A 2009-12-22 2010-11-15 Verfahren und Hörgerät zur Rückkopplungserkennung und Rückkopplungsunterdrückung mit einem Richtmikrofon Not-in-force EP2357850B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102009060094A DE102009060094B4 (de) 2009-12-22 2009-12-22 Verfahren und Hörgerät zur Rückkopplungserkennung und -unterdrückung mit einem Richtmikrofon

Publications (3)

Publication Number Publication Date
EP2357850A2 EP2357850A2 (de) 2011-08-17
EP2357850A3 true EP2357850A3 (de) 2011-09-21
EP2357850B1 EP2357850B1 (de) 2017-09-27

Family

ID=43640514

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10191186.5A Not-in-force EP2357850B1 (de) 2009-12-22 2010-11-15 Verfahren und Hörgerät zur Rückkopplungserkennung und Rückkopplungsunterdrückung mit einem Richtmikrofon

Country Status (5)

Country Link
US (1) US8588444B2 (de)
EP (1) EP2357850B1 (de)
CN (1) CN102104821B (de)
DE (1) DE102009060094B4 (de)
DK (1) DK2357850T3 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2656632A2 (de) * 2010-12-20 2013-10-30 Phonak AG Verfahren und system zur stimmenverstärkung in einem raum
EP2890154B1 (de) * 2013-12-27 2017-12-13 GN Resound A/S Hörgerät mit Rückkopplungsunterdrückung
JP6019098B2 (ja) * 2013-12-27 2016-11-02 ジーエヌ リザウンド エー／エスＧｎ Ｒｅｓｏｕｎｄ Ａ／Ｓ フィードバック抑制
US9628923B2 (en) 2013-12-27 2017-04-18 Gn Hearing A/S Feedback suppression
EP3038383A1 (de) * 2014-12-23 2016-06-29 Oticon A/s Hörgerät mit bilderfassungsfähigkeiten
JP6391198B2 (ja) * 2015-01-14 2018-09-19 ヴェーデクス・アクティーセルスカプ 補聴器システムの動作方法および補聴器システム
US9838804B2 (en) * 2015-02-27 2017-12-05 Cochlear Limited Methods, systems, and devices for adaptively filtering audio signals
CN108630216B (zh) * 2018-02-15 2021-08-27 湖北工业大学 一种基于双麦克风模型的mpnlms声反馈抑制方法
EP3582051A1 (de) * 2018-06-12 2019-12-18 Siemens Aktiengesellschaft Umfassende störungsanalyse von steuereinrichtungen und industriellen technischen anlagen
EP3799444A1 (de) 2019-09-25 2021-03-31 Oticon A/s Hörgerät, ein richtmikrofonsystem umfassend
DE102020206367A1 (de) * 2020-05-20 2021-11-25 Sivantos Pte. Ltd. Verfahren zum Betrieb eines Hörgeräts und Hörgerät
EP4266706A4 (de) * 2022-03-04 2024-04-10 Shenzhen Shokz Co Ltd Hörhilfevorrichtung

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1469702A2 (de) * 2004-03-15 2004-10-20 Phonak Ag Rückkopplungsunterdrückung
WO2005091675A1 (en) * 2004-03-23 2005-09-29 Oticon A/S Hearing aid with anti feedback system
WO2007042025A1 (en) * 2005-10-11 2007-04-19 Widex A/S Hearing aid and a method of processing input signals in a hearing aid
WO2007113282A1 (en) * 2006-04-01 2007-10-11 Widex A/S Hearing aid, and a method for control of adaptation rate in anti-feedback systems for hearing aids

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6072884A (en) 1997-11-18 2000-06-06 Audiologic Hearing Systems Lp Feedback cancellation apparatus and methods
EP0855129A1 (de) * 1995-10-10 1998-07-29 AudioLogic, Incorporated Digitales signalverarbeitendes hörgerät mit verarbeitungsstrategiewahl
US6275596B1 (en) * 1997-01-10 2001-08-14 Gn Resound Corporation Open ear canal hearing aid system
US6751325B1 (en) * 1998-09-29 2004-06-15 Siemens Audiologische Technik Gmbh Hearing aid and method for processing microphone signals in a hearing aid
JP4145323B2 (ja) * 2003-09-19 2008-09-03 ヴェーデクス・アクティーセルスカプ 補聴器の受音特性の指向性制御方法および制御可能な指向特性を備える補聴器用の信号処理装置
US7324651B2 (en) * 2004-03-15 2008-01-29 Phonak Ag Feedback suppression
JP4860709B2 (ja) * 2006-03-03 2012-01-25 ヴェーデクス・アクティーセルスカプ 補聴器および補聴器において利得限界を利用する方法
US7826632B2 (en) * 2006-08-03 2010-11-02 Phonak Ag Method of adjusting a hearing instrument
DK2046073T3 (en) * 2007-10-03 2017-05-22 Oticon As Hearing aid system with feedback device for predicting and canceling acoustic feedback, method and application

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1469702A2 (de) * 2004-03-15 2004-10-20 Phonak Ag Rückkopplungsunterdrückung
WO2005091675A1 (en) * 2004-03-23 2005-09-29 Oticon A/S Hearing aid with anti feedback system
WO2007042025A1 (en) * 2005-10-11 2007-04-19 Widex A/S Hearing aid and a method of processing input signals in a hearing aid
WO2007113282A1 (en) * 2006-04-01 2007-10-11 Widex A/S Hearing aid, and a method for control of adaptation rate in anti-feedback systems for hearing aids

Also Published As

Publication number Publication date
EP2357850B1 (de) 2017-09-27
CN102104821B (zh) 2015-12-02
CN102104821A (zh) 2011-06-22
DE102009060094B4 (de) 2013-03-14
EP2357850A2 (de) 2011-08-17
US8588444B2 (en) 2013-11-19
DK2357850T3 (da) 2018-01-08
US20110150250A1 (en) 2011-06-23
DE102009060094A1 (de) 2011-06-30

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