DK0732036T3 - Kredsløbsindretning til automatisk regulering af hørehjælpeapparater - Google Patents

Kredsløbsindretning til automatisk regulering af hørehjælpeapparater

Info

Publication number
DK0732036T3
DK0732036T3 DK94924834.8T DK94924834T DK0732036T3 DK 0732036 T3 DK0732036 T3 DK 0732036T3 DK 94924834 T DK94924834 T DK 94924834T DK 0732036 T3 DK0732036 T3 DK 0732036T3
Authority
DK
Denmark
Prior art keywords
control
stage
input
signal processing
processing circuit
Prior art date
Application number
DK94924834.8T
Other languages
English (en)
Inventor
Carl Ludvigsen
Original Assignee
Toepholm & Westermann
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 Toepholm & Westermann filed Critical Toepholm & Westermann
Application granted granted Critical
Publication of DK0732036T3 publication Critical patent/DK0732036T3/da

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G9/00—Combinations of two or more types of control, e.g. gain control and tone control
    • H03G9/20—Combinations of two or more types of control, e.g. gain control and tone control in frequency-selective amplifiers
    • H03G9/24—Combinations of two or more types of control, e.g. gain control and tone control in frequency-selective amplifiers having semiconductor devices
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G9/00—Combinations of two or more types of control, e.g. gain control and tone control
    • H03G9/005—Combinations of two or more types of control, e.g. gain control and tone control of digital or coded signals
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G9/00—Combinations of two or more types of control, e.g. gain control and tone control
    • H03G9/02—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers
    • H03G9/025—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers frequency-dependent volume compression or expansion, e.g. multiple-band systems
    • 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
    • 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

  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Neurosurgery (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Selective Calling Equipment (AREA)
  • Amplifiers (AREA)
  • Electronic Switches (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Transmitters (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
DK94924834.8T 1993-12-01 1994-08-02 Kredsløbsindretning til automatisk regulering af hørehjælpeapparater DK0732036T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4340817A DE4340817A1 (de) 1993-12-01 1993-12-01 Schaltungsanordnung für die automatische Regelung von Hörhilfsgeräten

Publications (1)

Publication Number Publication Date
DK0732036T3 true DK0732036T3 (da) 1997-12-08

Family

ID=6503826

Family Applications (1)

Application Number Title Priority Date Filing Date
DK94924834.8T DK0732036T3 (da) 1993-12-01 1994-08-02 Kredsløbsindretning til automatisk regulering af hørehjælpeapparater

Country Status (8)

Country Link
US (1) US5687241A (da)
EP (1) EP0732036B1 (da)
JP (1) JP2994756B2 (da)
AT (1) ATE153492T1 (da)
CA (1) CA2172365C (da)
DE (2) DE4340817A1 (da)
DK (1) DK0732036T3 (da)
WO (1) WO1995015668A1 (da)

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Also Published As

Publication number Publication date
US5687241A (en) 1997-11-11
DE4340817A1 (de) 1995-06-08
JPH09505958A (ja) 1997-06-10
EP0732036B1 (de) 1997-05-21
JP2994756B2 (ja) 1999-12-27
ATE153492T1 (de) 1997-06-15
DE59402853D1 (de) 1997-06-26
AU7497694A (en) 1995-06-19
WO1995015668A1 (de) 1995-06-08
CA2172365C (en) 1999-05-25
EP0732036A1 (de) 1996-09-18
AU684818B2 (en) 1998-01-08
CA2172365A1 (en) 1995-05-08

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