DK1648197T4 - Method and apparatus for reducing feedback in an acoustic system - Google Patents

Method and apparatus for reducing feedback in an acoustic system Download PDF

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Publication number
DK1648197T4
DK1648197T4 DK05109366.4T DK05109366T DK1648197T4 DK 1648197 T4 DK1648197 T4 DK 1648197T4 DK 05109366 T DK05109366 T DK 05109366T DK 1648197 T4 DK1648197 T4 DK 1648197T4
Authority
DK
Denmark
Prior art keywords
signal
feedback
feedback signal
processing device
detected
Prior art date
Application number
DK05109366.4T
Other languages
Danish (da)
English (en)
Other versions
DK1648197T3 (da
Inventor
Volkmar Hamacher
Ulrich Dr Kornagel
Original Assignee
Siemens Audiologische Technik
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
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=35563041&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DK1648197(T4) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Siemens Audiologische Technik filed Critical Siemens Audiologische Technik
Application granted granted Critical
Publication of DK1648197T3 publication Critical patent/DK1648197T3/da
Publication of DK1648197T4 publication Critical patent/DK1648197T4/en

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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
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/02—Circuits for transducers, loudspeakers or microphones for preventing acoustic reaction, i.e. acoustic oscillatory feedback
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2430/00—Signal processing covered by H04R, not provided for in its groups
    • H04R2430/03—Synergistic effects of band splitting and sub-band processing

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)
  • Amplifiers (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
DK05109366.4T 2004-10-14 2005-10-07 Method and apparatus for reducing feedback in an acoustic system DK1648197T4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102004050304A DE102004050304B3 (de) 2004-10-14 2004-10-14 Verfahren zur Reduktion von Rückkopplungen bei einem Akustiksystem und Signalverarbeitungsvorrichtung

Publications (2)

Publication Number Publication Date
DK1648197T3 DK1648197T3 (da) 2011-12-19
DK1648197T4 true DK1648197T4 (en) 2015-04-13

Family

ID=35563041

Family Applications (1)

Application Number Title Priority Date Filing Date
DK05109366.4T DK1648197T4 (en) 2004-10-14 2005-10-07 Method and apparatus for reducing feedback in an acoustic system

Country Status (7)

Country Link
EP (1) EP1648197B2 (ja)
JP (1) JP4309390B2 (ja)
CN (1) CN1774144B (ja)
AT (1) ATE524937T1 (ja)
AU (1) AU2005220246B2 (ja)
DE (1) DE102004050304B3 (ja)
DK (1) DK1648197T4 (ja)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8280088B2 (en) 2006-05-19 2012-10-02 Siemens Audiologische Technik Gmbh Hearing apparatus with feedback detection and corresponding method
DE102006023723A1 (de) * 2006-05-19 2007-11-22 Siemens Audiologische Technik Gmbh Hörvorrichtung mit Rückkopplungsdetektion und entsprechendes Verfahren
DE102006029194B4 (de) * 2006-06-26 2010-04-15 Siemens Audiologische Technik Gmbh Vorrichtung und Verfahren zur Schrittweitensteuerung eines adaptiven Filters
EP2148527B1 (en) * 2008-07-24 2014-04-16 Oticon A/S System for reducing acoustic feedback in hearing aids using inter-aural signal transmission, method and use
DE102008036803B3 (de) * 2008-08-07 2009-12-17 Siemens Medical Instruments Pte. Ltd. Anordnung und Verfahren zur Regelung einer Rückkopplungsunterdrückung bei Hörvorrichtungen
DE102009016845B3 (de) 2009-04-08 2010-08-05 Siemens Medical Instruments Pte. Ltd. Anordnung und Verfahren zur Erkennung von Rückkopplungen bei Hörvorrichtungen
CN102740189B (zh) * 2011-04-01 2014-10-08 中国科学院声学研究所 一种基于时间反转的声反馈抑制方法
CN104320750B (zh) * 2014-11-25 2018-08-17 厦门莱亚特医疗器械有限公司 一种测量助听器反馈路径的方法
CN104575520A (zh) * 2014-12-16 2015-04-29 中国农业大学 一种结合心理声学评价的声波监测装置及方法
JPWO2023277022A1 (ja) * 2021-06-28 2023-01-05

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4783818A (en) † 1985-10-17 1988-11-08 Intellitech Inc. Method of and means for adaptively filtering screeching noise caused by acoustic feedback
US5259033A (en) † 1989-08-30 1993-11-02 Gn Danavox As Hearing aid having compensation for acoustic feedback
US5412734A (en) † 1993-09-13 1995-05-02 Thomasson; Samuel L. Apparatus and method for reducing acoustic feedback
EP0704118B1 (en) † 1994-04-12 2003-06-04 Koninklijke Philips Electronics N.V. Signal amplifier system with improved echo cancellation
US6347148B1 (en) * 1998-04-16 2002-02-12 Dspfactory Ltd. Method and apparatus for feedback reduction in acoustic systems, particularly in hearing aids
US6252967B1 (en) † 1999-01-21 2001-06-26 Acoustic Technologies, Inc. Reducing acoustic feedback with digital modulation
DE19904538C1 (de) * 1999-02-04 2000-07-13 Siemens Audiologische Technik Verfahren zur Rückkopplungserkennung in einem Hörgerät und Hörgerät
EP1052881B1 (de) * 1999-05-12 2010-10-20 Siemens Audiologische Technik GmbH Hörhilfsgerät mit Oszillationsdetektor sowie Verfahren zur Feststellung von Oszillationen in einem Hörhilfsgerät
WO2001006812A1 (en) * 1999-07-19 2001-01-25 Oticon A/S Feedback cancellation with low frequency input
EP2066139A3 (en) † 2000-09-25 2010-06-23 Widex A/S A hearing aid
EP1433295B1 (de) * 2001-10-05 2011-09-28 Phonak Ag Verfahren zur überprüfung des vorhandenseins einer signalkomponente und vorrichtung zur durchführung des verfahrens
US7197152B2 (en) * 2002-02-26 2007-03-27 Otologics Llc Frequency response equalization system for hearing aid microphones
US7092532B2 (en) † 2003-03-31 2006-08-15 Unitron Hearing Ltd. Adaptive feedback canceller

Also Published As

Publication number Publication date
EP1648197B2 (de) 2015-01-07
JP2006115509A (ja) 2006-04-27
AU2005220246B2 (en) 2007-09-27
DE102004050304B3 (de) 2006-06-14
CN1774144B (zh) 2013-12-18
JP4309390B2 (ja) 2009-08-05
CN1774144A (zh) 2006-05-17
EP1648197A2 (de) 2006-04-19
AU2005220246A1 (en) 2006-05-04
EP1648197A3 (de) 2008-01-23
ATE524937T1 (de) 2011-09-15
EP1648197B1 (de) 2011-09-14
DK1648197T3 (da) 2011-12-19

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