DK2291006T3 - Indretning til undertrykkelse af tilbagekobling - Google Patents

Indretning til undertrykkelse af tilbagekobling

Info

Publication number
DK2291006T3
DK2291006T3 DK10175647.6T DK10175647T DK2291006T3 DK 2291006 T3 DK2291006 T3 DK 2291006T3 DK 10175647 T DK10175647 T DK 10175647T DK 2291006 T3 DK2291006 T3 DK 2291006T3
Authority
DK
Denmark
Prior art keywords
hearing aid
maximum stable
suppression device
feedback suppression
stable gain
Prior art date
Application number
DK10175647.6T
Other languages
English (en)
Inventor
John Melanson
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 DK2291006T3 publication Critical patent/DK2291006T3/da

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)
  • Photoreceptors In Electrophotography (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)
  • Filters That Use Time-Delay Elements (AREA)
  • Optical Communication System (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Paper (AREA)
  • Manufacture Of Alloys Or Alloy Compounds (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Bipolar Transistors (AREA)
  • Separation By Low-Temperature Treatments (AREA)
DK10175647.6T 1998-05-19 1999-03-26 Indretning til undertrykkelse af tilbagekobling DK2291006T3 (da)

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
EP04075226A EP1439736B1 (en) 1998-05-19 1999-03-26 Feedback cancellation device

Publications (1)

Publication Number Publication Date
DK2291006T3 true DK2291006T3 (da) 2012-10-22

Family

ID=26765609

Family Applications (3)

Application Number Title Priority Date Filing Date
DK99914198T DK1080606T3 (da) 1998-05-19 1999-03-26 Tilbagekoblingsundertrykkelsesforbedringer
DK04075226.3T DK1439736T3 (da) 1998-05-19 1999-03-26 Indretning med tilbagekoblingsundertrykkelse
DK10175647.6T DK2291006T3 (da) 1998-05-19 1999-03-26 Indretning til undertrykkelse af tilbagekobling

Family Applications Before (2)

Application Number Title Priority Date Filing Date
DK99914198T DK1080606T3 (da) 1998-05-19 1999-03-26 Tilbagekoblingsundertrykkelsesforbedringer
DK04075226.3T DK1439736T3 (da) 1998-05-19 1999-03-26 Indretning med tilbagekoblingsundertrykkelse

Country Status (7)

Country Link
US (1) US6219427B1 (da)
EP (4) EP1080606B1 (da)
AT (2) ATE258742T1 (da)
AU (1) AU3209999A (da)
DE (2) DE69942751D1 (da)
DK (3) DK1080606T3 (da)
WO (1) WO1999060822A1 (da)

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EP2291006B1 (en) 2012-07-25
EP2299733A1 (en) 2011-03-23
EP1439736B1 (en) 2010-09-08
WO1999060822A1 (en) 1999-11-25
ATE480961T1 (de) 2010-09-15
AU3209999A (en) 1999-12-06
DK1439736T3 (da) 2010-12-06
US6219427B1 (en) 2001-04-17
EP1439736A1 (en) 2004-07-21
EP1080606B1 (en) 2004-01-28
DE69914476D1 (de) 2004-03-04
EP1080606A1 (en) 2001-03-07
DE69942751D1 (de) 2010-10-21
EP2299733B1 (en) 2019-01-02
EP2291006A1 (en) 2011-03-02
DE69914476T2 (de) 2004-11-11
ATE258742T1 (de) 2004-02-15

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