JP4309390B2 - 音響システムにおけるフィードバック低減方法及び信号処理装置 - Google Patents

音響システムにおけるフィードバック低減方法及び信号処理装置 Download PDF

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Publication number
JP4309390B2
JP4309390B2 JP2005297209A JP2005297209A JP4309390B2 JP 4309390 B2 JP4309390 B2 JP 4309390B2 JP 2005297209 A JP2005297209 A JP 2005297209A JP 2005297209 A JP2005297209 A JP 2005297209A JP 4309390 B2 JP4309390 B2 JP 4309390B2
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Prior art keywords
signal
feedback
modulation
signal processing
detected
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Expired - Fee Related
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JP2005297209A
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Japanese (ja)
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JP2006115509A (ja
Inventor
ハマッハー フォルクマール
コルナーゲル ウルリッヒ
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Sivantos GmbH
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Siemens Audioligische Technik GmbH
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    • 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)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Amplifiers (AREA)
JP2005297209A 2004-10-14 2005-10-12 音響システムにおけるフィードバック低減方法及び信号処理装置 Expired - Fee Related JP4309390B2 (ja)

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
JP2006115509A JP2006115509A (ja) 2006-04-27
JP4309390B2 true JP4309390B2 (ja) 2009-08-05

Family

ID=35563041

Family Applications (1)

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JP2005297209A Expired - Fee Related JP4309390B2 (ja) 2004-10-14 2005-10-12 音響システムにおけるフィードバック低減方法及び信号処理装置

Country Status (7)

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

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006023723A1 (de) * 2006-05-19 2007-11-22 Siemens Audiologische Technik Gmbh Hörvorrichtung mit Rückkopplungsdetektion und entsprechendes Verfahren
US8280088B2 (en) 2006-05-19 2012-10-02 Siemens Audiologische Technik Gmbh Hearing apparatus with feedback detection and corresponding method
DE102006029194B4 (de) * 2006-06-26 2010-04-15 Siemens Audiologische Technik Gmbh Vorrichtung und Verfahren zur Schrittweitensteuerung eines adaptiven Filters
EP2148527B1 (de) * 2008-07-24 2014-04-16 Oticon A/S System zur Reduzierung der akustischen Rückkopplung in Hörhilfen unter Verwendung von interauraler Signalübertragung, Verfahren und Verwendung
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
WO2023277022A1 (ja) * 2021-06-28 2023-01-05 ヤマハ株式会社 音響処理方法、音響処理システムおよびプログラム

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 (de) † 1994-04-12 2003-06-04 Koninklijke Philips Electronics N.V. Signalverstärkersystem mit verbesserter echounterdrückung
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
DK1052881T3 (da) * 1999-05-12 2011-02-14 Siemens Audiologische Technik Høreapparat med oscillationsdetektor samt fremgangsmåde til konstatering af oscillationer i et høreapparat
AU5806400A (en) * 1999-07-19 2001-02-05 Oticon A/S Feedback cancellation with low frequency input
EP2066139A3 (de) † 2000-09-25 2010-06-23 Widex A/S Hörgerät
CA2427845C (en) * 2001-10-05 2010-07-13 Phonak Ag Method for verifying the availability of a signal component and device for carrying out said method
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
EP1648197A3 (de) 2008-01-23
AU2005220246B2 (en) 2007-09-27
DE102004050304B3 (de) 2006-06-14
AU2005220246A1 (en) 2006-05-04
EP1648197B1 (de) 2011-09-14
EP1648197B2 (de) 2015-01-07
CN1774144A (zh) 2006-05-17
DK1648197T3 (da) 2011-12-19
DK1648197T4 (en) 2015-04-13
ATE524937T1 (de) 2011-09-15
EP1648197A2 (de) 2006-04-19
JP2006115509A (ja) 2006-04-27
CN1774144B (zh) 2013-12-18

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