DK170197B1 - Signalbehandlingssystem til høreapparater - Google Patents

Signalbehandlingssystem til høreapparater Download PDF

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Publication number
DK170197B1
DK170197B1 DK043989A DK43989A DK170197B1 DK 170197 B1 DK170197 B1 DK 170197B1 DK 043989 A DK043989 A DK 043989A DK 43989 A DK43989 A DK 43989A DK 170197 B1 DK170197 B1 DK 170197B1
Authority
DK
Denmark
Prior art keywords
noise
frequency band
band
absolute amount
amplitude
Prior art date
Application number
DK043989A
Other languages
Danish (da)
English (en)
Other versions
DK43989A (da
DK43989D0 (da
Inventor
James M Kates
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Publication of DK43989D0 publication Critical patent/DK43989D0/da
Publication of DK43989A publication Critical patent/DK43989A/da
Application granted granted Critical
Publication of DK170197B1 publication Critical patent/DK170197B1/da

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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
    • 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
    • H04R25/35—Electric hearing aids using translation techniques
    • H04R25/356—Amplitude, e.g. amplitude shift or compression
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3089—Control of digital or coded signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2225/00—Details of deaf aids covered by H04R25/00, not provided for in any of its subgroups
    • H04R2225/43—Signal processing in hearing aids to enhance the speech intelligibility
    • 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

  • General Health & Medical Sciences (AREA)
  • Neurosurgery (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Selective Calling Equipment (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Stereophonic System (AREA)
  • Communication Control (AREA)
  • Electrophonic Musical Instruments (AREA)
DK043989A 1988-02-03 1989-02-01 Signalbehandlingssystem til høreapparater DK170197B1 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/151,850 US4852175A (en) 1988-02-03 1988-02-03 Hearing aid signal-processing system
US15185088 1988-02-03

Publications (3)

Publication Number Publication Date
DK43989D0 DK43989D0 (da) 1989-02-01
DK43989A DK43989A (da) 1989-08-04
DK170197B1 true DK170197B1 (da) 1995-06-06

Family

ID=22540490

Family Applications (1)

Application Number Title Priority Date Filing Date
DK043989A DK170197B1 (da) 1988-02-03 1989-02-01 Signalbehandlingssystem til høreapparater

Country Status (8)

Country Link
US (1) US4852175A (de)
EP (1) EP0326905B1 (de)
JP (1) JP2962732B2 (de)
KR (1) KR890013951A (de)
AT (1) ATE61504T1 (de)
AU (1) AU2956289A (de)
DE (1) DE68900039D1 (de)
DK (1) DK170197B1 (de)

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Also Published As

Publication number Publication date
EP0326905B1 (de) 1991-03-06
JP2962732B2 (ja) 1999-10-12
US4852175A (en) 1989-07-25
DK43989A (da) 1989-08-04
DK43989D0 (da) 1989-02-01
JPH01288199A (ja) 1989-11-20
EP0326905A1 (de) 1989-08-09
KR890013951A (ko) 1989-09-26
DE68900039D1 (de) 1991-04-11
ATE61504T1 (de) 1991-03-15
AU2956289A (en) 1989-08-03

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Legal Events

Date Code Title Description
B1 Patent granted (law 1993)
PBP Patent lapsed