JPS56154835A - Noise reduction circuit - Google Patents

Noise reduction circuit

Info

Publication number
JPS56154835A
JPS56154835A JP5769080A JP5769080A JPS56154835A JP S56154835 A JPS56154835 A JP S56154835A JP 5769080 A JP5769080 A JP 5769080A JP 5769080 A JP5769080 A JP 5769080A JP S56154835 A JPS56154835 A JP S56154835A
Authority
JP
Japan
Prior art keywords
amplifier
gain
emphasis
noise reduction
input
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
JP5769080A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6145902B2 (enrdf_load_stackoverflow
Inventor
Kenzo Akagiri
Masayuki Katakura
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.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Priority to JP5769080A priority Critical patent/JPS56154835A/ja
Publication of JPS56154835A publication Critical patent/JPS56154835A/ja
Publication of JPS6145902B2 publication Critical patent/JPS6145902B2/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)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
JP5769080A 1980-04-30 1980-04-30 Noise reduction circuit Granted JPS56154835A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5769080A JPS56154835A (en) 1980-04-30 1980-04-30 Noise reduction circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5769080A JPS56154835A (en) 1980-04-30 1980-04-30 Noise reduction circuit

Publications (2)

Publication Number Publication Date
JPS56154835A true JPS56154835A (en) 1981-11-30
JPS6145902B2 JPS6145902B2 (enrdf_load_stackoverflow) 1986-10-11

Family

ID=13062933

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5769080A Granted JPS56154835A (en) 1980-04-30 1980-04-30 Noise reduction circuit

Country Status (1)

Country Link
JP (1) JPS56154835A (enrdf_load_stackoverflow)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52111308A (en) * 1976-03-16 1977-09-19 Pioneer Electronic Corp Signal compressing and expanding device
JPS5351909A (en) * 1976-10-21 1978-05-11 Toshiba Corp Noise reduction system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52111308A (en) * 1976-03-16 1977-09-19 Pioneer Electronic Corp Signal compressing and expanding device
JPS5351909A (en) * 1976-10-21 1978-05-11 Toshiba Corp Noise reduction system

Also Published As

Publication number Publication date
JPS6145902B2 (enrdf_load_stackoverflow) 1986-10-11

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