CA1284529C - Digital hearing enhancement apparatus - Google Patents

Digital hearing enhancement apparatus

Info

Publication number
CA1284529C
CA1284529C CA 527724 CA527724A CA1284529C CA 1284529 C CA1284529 C CA 1284529C CA 527724 CA527724 CA 527724 CA 527724 A CA527724 A CA 527724A CA 1284529 C CA1284529 C CA 1284529C
Authority
CA
Canada
Prior art keywords
hearing
frequency
recited
transmultiplexer
linear
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
Application number
CA 527724
Other languages
English (en)
French (fr)
Inventor
Douglas M. Chabries
Robert H. Brey
Richard W. Christiansen
Martin S. Robinette
Gary R. Kenworthy
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of CA1284529C publication Critical patent/CA1284529C/en
Expired legal-status Critical Current

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
    • H04R25/70—Adaptation of deaf aid to hearing loss, e.g. initial electronic fitting
    • 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
    • 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

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)
  • Filters That Use Time-Delay Elements (AREA)
CA 527724 1986-01-21 1987-01-20 Digital hearing enhancement apparatus Expired CA1284529C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US82063286A 1986-01-21 1986-01-21
US820,632 1986-01-21

Publications (1)

Publication Number Publication Date
CA1284529C true CA1284529C (en) 1991-05-28

Family

ID=25231334

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 527724 Expired CA1284529C (en) 1986-01-21 1987-01-20 Digital hearing enhancement apparatus

Country Status (5)

Country Link
EP (1) EP0252205A3 (de)
JP (1) JPS62224200A (de)
AU (1) AU596633B2 (de)
CA (1) CA1284529C (de)
DK (1) DK33587A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005096668A1 (en) * 2004-03-30 2005-10-13 Emma Mixed Signal C.V. Method and system for reducing audible side effects of dynamic current consumption

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4852175A (en) * 1988-02-03 1989-07-25 Siemens Hearing Instr Inc Hearing aid signal-processing system
US5225836A (en) * 1988-03-23 1993-07-06 Central Institute For The Deaf Electronic filters, repeated signal charge conversion apparatus, hearing aids and methods
US5357251A (en) * 1988-03-23 1994-10-18 Central Institute For The Deaf Electronic filters, signal conversion apparatus, hearing aids and methods
US5111419A (en) * 1988-03-23 1992-05-05 Central Institute For The Deaf Electronic filters, signal conversion apparatus, hearing aids and methods
US5027410A (en) * 1988-11-10 1991-06-25 Wisconsin Alumni Research Foundation Adaptive, programmable signal processing and filtering for hearing aids
EP0535425B1 (de) * 1991-10-03 1997-03-19 Ascom Audiosys Ag Verfahren zur Verstärkung von akustischen Signalen für Hörbehinderte, sowie Vorrichtung zur Durchführung des Verfahrens
EP0585976A3 (en) * 1993-11-10 1994-06-01 Phonak Ag Hearing aid with cancellation of acoustic feedback
EP1207718A3 (de) * 1995-03-13 2003-02-05 Phonak Ag Verfahren zur Anpassung eines Hörgerätes, Vorrichtung hierzu und Hörgerät
US6327366B1 (en) 1996-05-01 2001-12-04 Phonak Ag Method for the adjustment of a hearing device, apparatus to do it and a hearing device
DE19703228B4 (de) 1997-01-29 2006-08-03 Siemens Audiologische Technik Gmbh Verfahren zur Verstärkung von Eingangssignalen eines Hörgerätes sowie Schaltung zur Durchführung des Verfahrens

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE428167B (sv) * 1981-04-16 1983-06-06 Mangold Stephan Programmerbar signalbehandlingsanordning, huvudsakligen avsedd for personer med nedsatt horsel
DE3131193A1 (de) * 1981-08-06 1983-02-24 Siemens AG, 1000 Berlin und 8000 München Geraet zur kompensation von gehoerschaeden
DK546581A (da) * 1981-12-10 1983-06-11 Danavox As Fremgangsmaade til tilpasning af overfoeringsfunktionen i et hoereapparat til forskellige hoeredefekter samt hoereapparat til udoevelse af fremgangsmaaden
AU569591B2 (en) * 1983-10-25 1988-02-11 Australian Hearing Services Hearing aid amplification method and apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005096668A1 (en) * 2004-03-30 2005-10-13 Emma Mixed Signal C.V. Method and system for reducing audible side effects of dynamic current consumption
US7693294B2 (en) 2004-03-30 2010-04-06 Ami Semiconductor, Inc. Method and system for reducing audible side effects of dynamic current consumption

Also Published As

Publication number Publication date
AU6767187A (en) 1987-07-23
DK33587D0 (da) 1987-01-21
JPS62224200A (ja) 1987-10-02
DK33587A (da) 1987-07-22
AU596633B2 (en) 1990-05-10
EP0252205A2 (de) 1988-01-13
EP0252205A3 (de) 1989-09-27

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Legal Events

Date Code Title Description
MKLA Lapsed