ATE480961T1 - Anordnung zur rückkoppelungsunterdrückung - Google Patents

Anordnung zur rückkoppelungsunterdrückung

Info

Publication number
ATE480961T1
ATE480961T1 AT04075226T AT04075226T ATE480961T1 AT E480961 T1 ATE480961 T1 AT E480961T1 AT 04075226 T AT04075226 T AT 04075226T AT 04075226 T AT04075226 T AT 04075226T AT E480961 T1 ATE480961 T1 AT E480961T1
Authority
AT
Austria
Prior art keywords
hearing aid
arrangement
maximum stable
feedback suppression
stable gain
Prior art date
Application number
AT04075226T
Other languages
English (en)
Inventor
James M Kates
John L Melanson
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 ATE480961T1 publication Critical patent/ATE480961T1/de

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
    • H04R2430/00—Signal processing covered by H04R, not provided for in its groups
    • H04R2430/20—Processing of the output signals of the acoustic transducers of an array for obtaining a desired directivity characteristic
    • 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
    • H04R25/50—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; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R29/00—Monitoring arrangements; Testing arrangements
    • H04R29/004—Monitoring arrangements; Testing arrangements for microphones
    • H04R29/005—Microphone arrays
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Neurosurgery (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Amplifiers (AREA)
  • Optical Communication System (AREA)
  • Filters That Use Time-Delay Elements (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Photoreceptors In Electrophotography (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Separation By Low-Temperature Treatments (AREA)
  • Bipolar Transistors (AREA)
  • Manufacture Of Alloys Or Alloy Compounds (AREA)
  • Paper (AREA)
AT04075226T 1998-05-19 1999-03-26 Anordnung zur rückkoppelungsunterdrückung ATE480961T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US8147498A 1998-05-19 1998-05-19
US09/152,033 US6219427B1 (en) 1997-11-18 1998-09-12 Feedback cancellation improvements
EP99914198A EP1080606B1 (de) 1998-05-19 1999-03-26 Rückkoppelungsunterdrückungsverbesserungen

Publications (1)

Publication Number Publication Date
ATE480961T1 true ATE480961T1 (de) 2010-09-15

Family

ID=26765609

Family Applications (2)

Application Number Title Priority Date Filing Date
AT04075226T ATE480961T1 (de) 1998-05-19 1999-03-26 Anordnung zur rückkoppelungsunterdrückung
AT99914198T ATE258742T1 (de) 1998-05-19 1999-03-26 Rückkoppelungsunterdrückungsverbesserungen

Family Applications After (1)

Application Number Title Priority Date Filing Date
AT99914198T ATE258742T1 (de) 1998-05-19 1999-03-26 Rückkoppelungsunterdrückungsverbesserungen

Country Status (7)

Country Link
US (1) US6219427B1 (de)
EP (4) EP1080606B1 (de)
AT (2) ATE480961T1 (de)
AU (1) AU3209999A (de)
DE (2) DE69942751D1 (de)
DK (3) DK1439736T3 (de)
WO (1) WO1999060822A1 (de)

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DE69914476T2 (de) 2004-11-11
DK1439736T3 (da) 2010-12-06
EP1439736B1 (de) 2010-09-08
DK1080606T3 (da) 2004-06-07
DE69914476D1 (de) 2004-03-04
EP2299733A1 (de) 2011-03-23
DE69942751D1 (de) 2010-10-21
ATE258742T1 (de) 2004-02-15
EP2291006B1 (de) 2012-07-25
US6219427B1 (en) 2001-04-17
DK2291006T3 (da) 2012-10-22
EP2291006A1 (de) 2011-03-02
WO1999060822A1 (en) 1999-11-25
EP2299733B1 (de) 2019-01-02
EP1439736A1 (de) 2004-07-21
EP1080606A1 (de) 2001-03-07
EP1080606B1 (de) 2004-01-28

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