ATE239347T1 - Vorrichtung und verfahren zur rückkopplungsunterdrückung - Google Patents

Vorrichtung und verfahren zur rückkopplungsunterdrückung

Info

Publication number
ATE239347T1
ATE239347T1 AT98956651T AT98956651T ATE239347T1 AT E239347 T1 ATE239347 T1 AT E239347T1 AT 98956651 T AT98956651 T AT 98956651T AT 98956651 T AT98956651 T AT 98956651T AT E239347 T1 ATE239347 T1 AT E239347T1
Authority
AT
Austria
Prior art keywords
signal
feedback
audio signal
microphone
hearing aid
Prior art date
Application number
AT98956651T
Other languages
English (en)
Inventor
James Mitchell Kates
Original Assignee
Gn Resound As
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 Gn Resound As filed Critical Gn Resound As
Application granted granted Critical
Publication of ATE239347T1 publication Critical patent/ATE239347T1/de

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
    • H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • H04R25/50—Customised settings for obtaining desired overall acoustical characteristics
    • H04R25/505—Customised settings for obtaining desired overall acoustical characteristics using digital signal processing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R29/00—Monitoring arrangements; Testing arrangements
    • H04R29/004—Monitoring arrangements; Testing arrangements for microphones
    • H04R29/005—Microphone arrays
    • H04R29/006—Microphone matching

Landscapes

  • General Health & Medical Sciences (AREA)
  • Neurosurgery (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Filters That Use Time-Delay Elements (AREA)
  • External Artificial Organs (AREA)
  • Gas Separation By Absorption (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • General Induction Heating (AREA)
  • Treating Waste Gases (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
AT98956651T 1997-11-18 1998-11-07 Vorrichtung und verfahren zur rückkopplungsunterdrückung ATE239347T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/972,265 US6072884A (en) 1997-11-18 1997-11-18 Feedback cancellation apparatus and methods
PCT/US1998/023666 WO1999026453A1 (en) 1997-11-18 1998-11-07 Feedback cancellation apparatus and methods

Publications (1)

Publication Number Publication Date
ATE239347T1 true ATE239347T1 (de) 2003-05-15

Family

ID=25519430

Family Applications (1)

Application Number Title Priority Date Filing Date
AT98956651T ATE239347T1 (de) 1997-11-18 1998-11-07 Vorrichtung und verfahren zur rückkopplungsunterdrückung

Country Status (7)

Country Link
US (1) US6072884A (de)
EP (2) EP1033063B1 (de)
AT (1) ATE239347T1 (de)
AU (1) AU1312399A (de)
DE (1) DE69814142T2 (de)
DK (1) DK1033063T3 (de)
WO (1) WO1999026453A1 (de)

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Also Published As

Publication number Publication date
DE69814142D1 (de) 2003-06-05
EP1033063A1 (de) 2000-09-06
EP1545152A3 (de) 2005-08-31
US6072884A (en) 2000-06-06
DE69814142T2 (de) 2004-02-26
WO1999026453A1 (en) 1999-05-27
EP1545152A2 (de) 2005-06-22
AU1312399A (en) 1999-06-07
EP1033063B1 (de) 2003-05-02
DK1033063T3 (da) 2003-09-08

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