DE69814142D1 - Vorrichtung und verfahren zur rückkopplungsunterdrückung - Google Patents

Vorrichtung und verfahren zur rückkopplungsunterdrückung

Info

Publication number
DE69814142D1
DE69814142D1 DE69814142T DE69814142T DE69814142D1 DE 69814142 D1 DE69814142 D1 DE 69814142D1 DE 69814142 T DE69814142 T DE 69814142T DE 69814142 T DE69814142 T DE 69814142T DE 69814142 D1 DE69814142 D1 DE 69814142D1
Authority
DE
Germany
Prior art keywords
signal
feedback
audio signal
microphone
hearing aid
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE69814142T
Other languages
English (en)
Other versions
DE69814142T2 (de
Inventor
Mitchell Kates
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GN Hearing AS
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 DE69814142D1 publication Critical patent/DE69814142D1/de
Publication of DE69814142T2 publication Critical patent/DE69814142T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
DE69814142T 1997-11-18 1998-11-07 Vorrichtung und verfahren zur rückkopplungsunterdrückung Expired - Lifetime DE69814142T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US972265 1997-11-18
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 (2)

Publication Number Publication Date
DE69814142D1 true DE69814142D1 (de) 2003-06-05
DE69814142T2 DE69814142T2 (de) 2004-02-26

Family

ID=25519430

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69814142T Expired - Lifetime DE69814142T2 (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
DK1033063T3 (da) 2003-09-08
AU1312399A (en) 1999-06-07
ATE239347T1 (de) 2003-05-15
DE69814142T2 (de) 2004-02-26
US6072884A (en) 2000-06-06
EP1545152A2 (de) 2005-06-22
WO1999026453A1 (en) 1999-05-27
EP1033063B1 (de) 2003-05-02
EP1545152A3 (de) 2005-08-31
EP1033063A1 (de) 2000-09-06

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