DK1439736T3 - Indretning med tilbagekoblingsundertrykkelse - Google Patents

Indretning med tilbagekoblingsundertrykkelse

Info

Publication number
DK1439736T3
DK1439736T3 DK04075226.3T DK04075226T DK1439736T3 DK 1439736 T3 DK1439736 T3 DK 1439736T3 DK 04075226 T DK04075226 T DK 04075226T DK 1439736 T3 DK1439736 T3 DK 1439736T3
Authority
DK
Denmark
Prior art keywords
hearing aid
maximum stable
suppression device
feedback suppression
stable gain
Prior art date
Application number
DK04075226.3T
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 DK1439736T3 publication Critical patent/DK1439736T3/da

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
    • 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; 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
    • 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

  • 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)
  • Filters That Use Time-Delay Elements (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Optical Communication System (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)
  • Photoreceptors In Electrophotography (AREA)
  • Bipolar Transistors (AREA)
  • Separation By Low-Temperature Treatments (AREA)
  • Paper (AREA)
  • Manufacture Of Alloys Or Alloy Compounds (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
DK04075226.3T 1998-05-19 1999-03-26 Indretning med tilbagekoblingsundertrykkelse DK1439736T3 (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
EP99914198A EP1080606B1 (en) 1998-05-19 1999-03-26 Feedback cancellation improvements

Publications (1)

Publication Number Publication Date
DK1439736T3 true DK1439736T3 (da) 2010-12-06

Family

ID=26765609

Family Applications (3)

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

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DK10175647.6T DK2291006T3 (da) 1998-05-19 1999-03-26 Indretning til undertrykkelse af tilbagekobling

Family Applications After (1)

Application Number Title Priority Date Filing Date
DK99914198T DK1080606T3 (da) 1998-05-19 1999-03-26 Tilbagekoblingsundertrykkelsesforbedringer

Country Status (7)

Country Link
US (1) US6219427B1 (da)
EP (4) EP1439736B1 (da)
AT (2) ATE258742T1 (da)
AU (1) AU3209999A (da)
DE (2) DE69914476T2 (da)
DK (3) DK2291006T3 (da)
WO (1) WO1999060822A1 (da)

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DE69914476T2 (de) 2004-11-11
DE69914476D1 (de) 2004-03-04
DK1080606T3 (da) 2004-06-07
EP2299733B1 (en) 2019-01-02
EP1439736A1 (en) 2004-07-21
AU3209999A (en) 1999-12-06
EP1080606B1 (en) 2004-01-28
EP1080606A1 (en) 2001-03-07
EP1439736B1 (en) 2010-09-08
US6219427B1 (en) 2001-04-17
EP2299733A1 (en) 2011-03-23
ATE258742T1 (de) 2004-02-15
DE69942751D1 (de) 2010-10-21
ATE480961T1 (de) 2010-09-15
EP2291006B1 (en) 2012-07-25
DK2291006T3 (da) 2012-10-22
EP2291006A1 (en) 2011-03-02
WO1999060822A1 (en) 1999-11-25

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