ATE524937T1 - METHOD AND DEVICE FOR REDUCING FEEDBACK IN AN ACOUSTIC SYSTEM - Google Patents

METHOD AND DEVICE FOR REDUCING FEEDBACK IN AN ACOUSTIC SYSTEM

Info

Publication number
ATE524937T1
ATE524937T1 AT05109366T AT05109366T ATE524937T1 AT E524937 T1 ATE524937 T1 AT E524937T1 AT 05109366 T AT05109366 T AT 05109366T AT 05109366 T AT05109366 T AT 05109366T AT E524937 T1 ATE524937 T1 AT E524937T1
Authority
AT
Austria
Prior art keywords
signal
acoustic system
feedback signal
reducing feedback
feedback
Prior art date
Application number
AT05109366T
Other languages
German (de)
Inventor
Volkmar Hamacher
Ulrich 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
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=ATE524937(T1) "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 ATE524937T1 publication Critical patent/ATE524937T1/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Electric hearing aids
    • 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; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers
    • H04R3/02—Circuits for transducers 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; ELECTRIC HEARING AIDS; 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)

Abstract

A feedback signal (RS) is detected in an incoming signal (ES), which is processed by relying on a detected feedback signal in an outgoing signal (AS), which is modulated (MO) so that the feedback signal is also modulated correspondingly. This modulation detects the feedback signal and has to be unheard by hearing-aid wearers. An independent claim is also included for a signal-processing device for an acoustic system.
AT05109366T 2004-10-14 2005-10-07 METHOD AND DEVICE FOR REDUCING FEEDBACK IN AN ACOUSTIC SYSTEM ATE524937T1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102004050304A DE102004050304B3 (en) 2004-10-14 2004-10-14 Method for reducing feedback in an acoustic system and signal processing device

Publications (1)

Publication Number Publication Date
ATE524937T1 true ATE524937T1 (en) 2011-09-15

Family

ID=35563041

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05109366T ATE524937T1 (en) 2004-10-14 2005-10-07 METHOD AND DEVICE FOR REDUCING FEEDBACK IN AN ACOUSTIC SYSTEM

Country Status (7)

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

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006023723A1 (en) * 2006-05-19 2007-11-22 Siemens Audiologische Technik Gmbh Hearing device with feedback detection and corresponding method
US8280088B2 (en) 2006-05-19 2012-10-02 Siemens Audiologische Technik Gmbh Hearing apparatus with feedback detection and corresponding method
DE102006029194B4 (en) * 2006-06-26 2010-04-15 Siemens Audiologische Technik Gmbh Device and method for increment control of an adaptive filter
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 (en) 2008-08-07 2009-12-17 Siemens Medical Instruments Pte. Ltd. Arrangement and method for controlling a feedback suppression in hearing devices
DE102009016845B3 (en) 2009-04-08 2010-08-05 Siemens Medical Instruments Pte. Ltd. Arrangement and method for detecting feedback in hearing devices
CN102740189B (en) * 2011-04-01 2014-10-08 中国科学院声学研究所 Acoustic feedback inhibition method based on time reversal
CN104320750B (en) * 2014-11-25 2018-08-17 厦门莱亚特医疗器械有限公司 A method of measuring hearing aid feedback path
CN104575520A (en) * 2014-12-16 2015-04-29 中国农业大学 Acoustic monitoring device and method combining psychological acoustic evaluation
WO2023277022A1 (en) * 2021-06-28 2023-01-05 ヤマハ株式会社 Sound processing method, sound processing system, and program

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
JP3447060B2 (en) † 1994-04-12 2003-09-16 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ Signal amplification 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 (en) * 1999-02-04 2000-07-13 Siemens Audiologische Technik Method of detecting feedback in hearing aid
DE50016012D1 (en) * 1999-05-12 2010-12-02 Siemens Audiologische Technik Hearing aid with oscillation detector and method for detecting oscillations in a hearing aid
DK1203509T3 (en) * 1999-07-19 2007-01-02 Oticon As Feedback cancellation using bandwidth detection
EP2066139A3 (en) † 2000-09-25 2010-06-23 Widex A/S A hearing aid
AU2001291588A1 (en) * 2001-10-05 2001-12-17 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
AU2005220246B2 (en) 2007-09-27
DK1648197T4 (en) 2015-04-13
AU2005220246A1 (en) 2006-05-04
EP1648197A3 (en) 2008-01-23
EP1648197B1 (en) 2011-09-14
JP2006115509A (en) 2006-04-27
EP1648197A2 (en) 2006-04-19
DK1648197T3 (en) 2011-12-19
EP1648197B2 (en) 2015-01-07
JP4309390B2 (en) 2009-08-05
CN1774144A (en) 2006-05-17
CN1774144B (en) 2013-12-18
DE102004050304B3 (en) 2006-06-14

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