JPS6473900A - Hearing aid - Google Patents

Hearing aid

Info

Publication number
JPS6473900A
JPS6473900A JP23057887A JP23057887A JPS6473900A JP S6473900 A JPS6473900 A JP S6473900A JP 23057887 A JP23057887 A JP 23057887A JP 23057887 A JP23057887 A JP 23057887A JP S6473900 A JPS6473900 A JP S6473900A
Authority
JP
Japan
Prior art keywords
signal
hearing
varying speed
circuit
level
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.)
Granted
Application number
JP23057887A
Other languages
Japanese (ja)
Other versions
JPH0578240B2 (en
Inventor
Makoto Tateno
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.)
Rion Co Ltd
Original Assignee
Rion Co Ltd
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 Rion Co Ltd filed Critical Rion Co Ltd
Priority to JP23057887A priority Critical patent/JPS6473900A/en
Publication of JPS6473900A publication Critical patent/JPS6473900A/en
Publication of JPH0578240B2 publication Critical patent/JPH0578240B2/ja
Granted 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
    • H04R25/50—Customised settings for obtaining desired overall acoustical characteristics
    • H04R25/505—Customised settings for obtaining desired overall acoustical characteristics using digital signal processing

Abstract

PURPOSE:To effectively suppress an impulsive noise by performing a suppression processing on a hearing input signal corresponding to the varying speed of the hearing input signal by a noise suppression means in a hearing aid which sends a hearing output signal by processing the hearing input signal by the noise suppression means. CONSTITUTION:At the output terminal of a comparator 11C, a set pulse signal S14 set at an (H) level when the absolute value of the varying speed of the hearing input signal S2 exceeds a reference value is generated, and it is supplied to a switch signal formation circuit 4B in a noise control circuit 4 as set input. A varying speed detection circuit 11 makes the switch signal formation circuit 4B perform a set operation when the varying speed of the hearing input signal S2 exceeds the varying speed equivalent to the reference voltage S13 of a reference voltage circuit 11D. In such a way, it is possible to set a switch signal S3 at a logic (H) level. At this time, a switch circuit 4A is controlled so as to be set at an OFF operating state compulsorily by the switch signal S3, and holds the signal level of the hearing output signal S4 at a level 0.
JP23057887A 1987-09-14 1987-09-14 Hearing aid Granted JPS6473900A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP23057887A JPS6473900A (en) 1987-09-14 1987-09-14 Hearing aid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP23057887A JPS6473900A (en) 1987-09-14 1987-09-14 Hearing aid

Publications (2)

Publication Number Publication Date
JPS6473900A true JPS6473900A (en) 1989-03-20
JPH0578240B2 JPH0578240B2 (en) 1993-10-28

Family

ID=16909939

Family Applications (1)

Application Number Title Priority Date Filing Date
JP23057887A Granted JPS6473900A (en) 1987-09-14 1987-09-14 Hearing aid

Country Status (1)

Country Link
JP (1) JPS6473900A (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5568792A (en) * 1978-11-17 1980-05-23 Seiko Epson Corp Hearing aid
JPS5825799A (en) * 1981-08-07 1983-02-16 Rion Co Ltd Hearing aid
JPS5846710A (en) * 1981-09-14 1983-03-18 Rion Co Ltd Hearing aid

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5568792A (en) * 1978-11-17 1980-05-23 Seiko Epson Corp Hearing aid
JPS5825799A (en) * 1981-08-07 1983-02-16 Rion Co Ltd Hearing aid
JPS5846710A (en) * 1981-09-14 1983-03-18 Rion Co Ltd Hearing aid

Also Published As

Publication number Publication date
JPH0578240B2 (en) 1993-10-28

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Legal Events

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R250 Receipt of annual fees

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R250 Receipt of annual fees

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EXPY Cancellation because of completion of term