EP1648197A3 - Procédé et dispositif pour réduire les rétroactions dans un système acoustique - Google Patents

Procédé et dispositif pour réduire les rétroactions dans un système acoustique Download PDF

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Publication number
EP1648197A3
EP1648197A3 EP05109366A EP05109366A EP1648197A3 EP 1648197 A3 EP1648197 A3 EP 1648197A3 EP 05109366 A EP05109366 A EP 05109366A EP 05109366 A EP05109366 A EP 05109366A EP 1648197 A3 EP1648197 A3 EP 1648197A3
Authority
EP
European Patent Office
Prior art keywords
feedback
signal
reducing
feedback signal
acoustic systems
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
EP05109366A
Other languages
German (de)
English (en)
Other versions
EP1648197B2 (fr
EP1648197A2 (fr
EP1648197B1 (fr
Inventor
Volkmar Hamacher
Ulrich Dr. Kornagel
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
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
Family has litigation
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=EP1648197(A3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Siemens Audioligische Technik GmbH filed Critical Siemens Audioligische Technik GmbH
Publication of EP1648197A2 publication Critical patent/EP1648197A2/fr
Publication of EP1648197A3 publication Critical patent/EP1648197A3/fr
Application granted granted Critical
Publication of EP1648197B1 publication Critical patent/EP1648197B1/fr
Publication of EP1648197B2 publication Critical patent/EP1648197B2/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Amplifiers (AREA)
EP05109366.4A 2004-10-14 2005-10-07 Procédé et dispositif pour réduire les rétroactions dans un système acoustique Not-in-force EP1648197B2 (fr)

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 (4)

Publication Number Publication Date
EP1648197A2 EP1648197A2 (fr) 2006-04-19
EP1648197A3 true EP1648197A3 (fr) 2008-01-23
EP1648197B1 EP1648197B1 (fr) 2011-09-14
EP1648197B2 EP1648197B2 (fr) 2015-01-07

Family

ID=35563041

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05109366.4A Not-in-force EP1648197B2 (fr) 2004-10-14 2005-10-07 Procédé et dispositif pour réduire les rétroactions dans un système acoustique

Country Status (7)

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

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 (fr) * 2008-07-24 2014-04-16 Oticon A/S Système de réduction de réponse acoustique pour les appareils d'aide auditive utilisant une transmission de signal inter-auriculaire, procédé et utilisation
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 (fr) * 2021-06-28 2023-01-05 ヤマハ株式会社 Dispositif de traitement du son, procédé de traitement du son et programme

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19904538C1 (de) * 1999-02-04 2000-07-13 Siemens Audiologische Technik Verfahren zur Rückkopplungserkennung in einem Hörgerät und Hörgerät
WO2001006746A2 (fr) * 1999-07-19 2001-01-25 Oticon A/S Annulation de signal en retour utilisant une detection de bande passante
US20030161492A1 (en) * 2002-02-26 2003-08-28 Miller Douglas Alan Frequency response equalization system for hearing aid microphones

Family Cites Families (10)

* 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
WO1995028034A2 (fr) † 1994-04-12 1995-10-19 Philips Electronics N.V. Systeme d'amplification de signaux a suppression d'echo amelioree
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
DK1052881T3 (da) * 1999-05-12 2011-02-14 Siemens Audiologische Technik Høreapparat med oscillationsdetektor samt fremgangsmåde til konstatering af oscillationer i et høreapparat
EP1191814B2 (fr) † 2000-09-25 2015-07-29 Widex A/S Prothèse auditive multibande avec filtres adaptatifs multibandes pour la suppression de la rétroaction acoustique .
CA2427845C (fr) * 2001-10-05 2010-07-13 Phonak Ag Procede permettant de verifier la presence d'une composante de signal et dispositif servant a mettre en oeuvre ce procede
US7092532B2 (en) † 2003-03-31 2006-08-15 Unitron Hearing Ltd. Adaptive feedback canceller

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19904538C1 (de) * 1999-02-04 2000-07-13 Siemens Audiologische Technik Verfahren zur Rückkopplungserkennung in einem Hörgerät und Hörgerät
WO2001006746A2 (fr) * 1999-07-19 2001-01-25 Oticon A/S Annulation de signal en retour utilisant une detection de bande passante
US20030161492A1 (en) * 2002-02-26 2003-08-28 Miller Douglas Alan Frequency response equalization system for hearing aid microphones

Also Published As

Publication number Publication date
DK1648197T3 (da) 2011-12-19
CN1774144B (zh) 2013-12-18
ATE524937T1 (de) 2011-09-15
JP2006115509A (ja) 2006-04-27
EP1648197B2 (fr) 2015-01-07
DK1648197T4 (en) 2015-04-13
CN1774144A (zh) 2006-05-17
AU2005220246A1 (en) 2006-05-04
EP1648197A2 (fr) 2006-04-19
EP1648197B1 (fr) 2011-09-14
AU2005220246B2 (en) 2007-09-27
JP4309390B2 (ja) 2009-08-05
DE102004050304B3 (de) 2006-06-14

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