DK1228665T3 - Et apparat og en fremgangsmåde til tilbagekoblingsundertrykkelse ved anvendelse af et adaptivt referencefilter - Google Patents

Et apparat og en fremgangsmåde til tilbagekoblingsundertrykkelse ved anvendelse af et adaptivt referencefilter

Info

Publication number
DK1228665T3
DK1228665T3 DK00952264T DK00952264T DK1228665T3 DK 1228665 T3 DK1228665 T3 DK 1228665T3 DK 00952264 T DK00952264 T DK 00952264T DK 00952264 T DK00952264 T DK 00952264T DK 1228665 T3 DK1228665 T3 DK 1228665T3
Authority
DK
Denmark
Prior art keywords
filter
feedback path
hearing aid
feedback
updated
Prior art date
Application number
DK00952264T
Other languages
Danish (da)
English (en)
Inventor
James Mitchell Kates
John Laurence 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 DK1228665T3 publication Critical patent/DK1228665T3/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

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)
  • Filters That Use Time-Delay Elements (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Networks Using Active Elements (AREA)
DK00952264T 1999-07-30 2000-07-28 Et apparat og en fremgangsmåde til tilbagekoblingsundertrykkelse ved anvendelse af et adaptivt referencefilter DK1228665T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/364,760 US6434247B1 (en) 1999-07-30 1999-07-30 Feedback cancellation apparatus and methods utilizing adaptive reference filter mechanisms
PCT/US2000/020617 WO2001010170A2 (fr) 1999-07-30 2000-07-28 Dispositif et procedes de supression de signal de retour utilisant des moyens de filtre de reference adaptatif

Publications (1)

Publication Number Publication Date
DK1228665T3 true DK1228665T3 (da) 2004-02-16

Family

ID=23435959

Family Applications (1)

Application Number Title Priority Date Filing Date
DK00952264T DK1228665T3 (da) 1999-07-30 2000-07-28 Et apparat og en fremgangsmåde til tilbagekoblingsundertrykkelse ved anvendelse af et adaptivt referencefilter

Country Status (7)

Country Link
US (1) US6434247B1 (fr)
EP (1) EP1228665B1 (fr)
AT (1) ATE251834T1 (fr)
AU (1) AU6499400A (fr)
DE (1) DE60005853T2 (fr)
DK (1) DK1228665T3 (fr)
WO (1) WO2001010170A2 (fr)

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Also Published As

Publication number Publication date
US20020064291A1 (en) 2002-05-30
WO2001010170A3 (fr) 2001-11-15
EP1228665A2 (fr) 2002-08-07
US6434247B1 (en) 2002-08-13
AU6499400A (en) 2001-02-19
ATE251834T1 (de) 2003-10-15
DE60005853T2 (de) 2004-07-29
WO2001010170A2 (fr) 2001-02-08
EP1228665B1 (fr) 2003-10-08
DE60005853D1 (de) 2003-11-13

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