JPS5344107A - Noise reduction system - Google Patents

Noise reduction system

Info

Publication number
JPS5344107A
JPS5344107A JP11958176A JP11958176A JPS5344107A JP S5344107 A JPS5344107 A JP S5344107A JP 11958176 A JP11958176 A JP 11958176A JP 11958176 A JP11958176 A JP 11958176A JP S5344107 A JPS5344107 A JP S5344107A
Authority
JP
Japan
Prior art keywords
noise reduction
reduction system
regenerative
deterioration
gain
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
JP11958176A
Other languages
Japanese (ja)
Other versions
JPS5722454B2 (en
Inventor
Genichi Okawa
Kenjiro Endo
Kazuo Kitagawa
Eiji Kira
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP11958176A priority Critical patent/JPS5344107A/en
Publication of JPS5344107A publication Critical patent/JPS5344107A/en
Publication of JPS5722454B2 publication Critical patent/JPS5722454B2/ja
Granted legal-status Critical Current

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
    • H03G9/02—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

Landscapes

  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)

Abstract

PURPOSE:To obtain the reduced sound-deterioration and stabilized operation by controlling the gain of a voltage control amplifier corresponding to the amplitude of regenerative analog signals.
JP11958176A 1976-10-05 1976-10-05 Noise reduction system Granted JPS5344107A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11958176A JPS5344107A (en) 1976-10-05 1976-10-05 Noise reduction system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11958176A JPS5344107A (en) 1976-10-05 1976-10-05 Noise reduction system

Publications (2)

Publication Number Publication Date
JPS5344107A true JPS5344107A (en) 1978-04-20
JPS5722454B2 JPS5722454B2 (en) 1982-05-13

Family

ID=14764890

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11958176A Granted JPS5344107A (en) 1976-10-05 1976-10-05 Noise reduction system

Country Status (1)

Country Link
JP (1) JPS5344107A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5825717A (en) * 1981-08-07 1983-02-16 Hitachi Ltd Analog-digital converter
JPS6378438U (en) * 1987-10-22 1988-05-24

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0545573Y2 (en) * 1988-07-19 1993-11-22

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5026324A (en) * 1973-07-07 1975-03-19

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5026324A (en) * 1973-07-07 1975-03-19

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5825717A (en) * 1981-08-07 1983-02-16 Hitachi Ltd Analog-digital converter
JPS6378438U (en) * 1987-10-22 1988-05-24

Also Published As

Publication number Publication date
JPS5722454B2 (en) 1982-05-13

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