JPS574608A - Reducing device of music level - Google Patents

Reducing device of music level

Info

Publication number
JPS574608A
JPS574608A JP7798580A JP7798580A JPS574608A JP S574608 A JPS574608 A JP S574608A JP 7798580 A JP7798580 A JP 7798580A JP 7798580 A JP7798580 A JP 7798580A JP S574608 A JPS574608 A JP S574608A
Authority
JP
Japan
Prior art keywords
attenuator
music
attenuation
pass
degree
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.)
Pending
Application number
JP7798580A
Other languages
English (en)
Inventor
Masao Shinohara
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP7798580A priority Critical patent/JPS574608A/ja
Publication of JPS574608A publication Critical patent/JPS574608A/ja
Pending legal-status Critical Current

Links

Classifications

    • 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
    • H03G3/3005—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Control Of Amplification And Gain Control (AREA)
JP7798580A 1980-06-10 1980-06-10 Reducing device of music level Pending JPS574608A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7798580A JPS574608A (en) 1980-06-10 1980-06-10 Reducing device of music level

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7798580A JPS574608A (en) 1980-06-10 1980-06-10 Reducing device of music level

Publications (1)

Publication Number Publication Date
JPS574608A true JPS574608A (en) 1982-01-11

Family

ID=13649146

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7798580A Pending JPS574608A (en) 1980-06-10 1980-06-10 Reducing device of music level

Country Status (1)

Country Link
JP (1) JPS574608A (ja)

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