JPS5250216A - Noise reducing circuit for multi-channel stereo - Google Patents

Noise reducing circuit for multi-channel stereo

Info

Publication number
JPS5250216A
JPS5250216A JP50125304A JP12530475A JPS5250216A JP S5250216 A JPS5250216 A JP S5250216A JP 50125304 A JP50125304 A JP 50125304A JP 12530475 A JP12530475 A JP 12530475A JP S5250216 A JPS5250216 A JP S5250216A
Authority
JP
Japan
Prior art keywords
channel
noise reducing
reducing circuit
channel stereo
elongation
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
JP50125304A
Other languages
Japanese (ja)
Other versions
JPS6127806B2 (en
Inventor
Takao Arai
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP50125304A priority Critical patent/JPS5250216A/en
Publication of JPS5250216A publication Critical patent/JPS5250216A/en
Publication of JPS6127806B2 publication Critical patent/JPS6127806B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
  • Stereophonic System (AREA)
  • Noise Elimination (AREA)

Abstract

PURPOSE: One common control signal is made from the signals of each channel and by using said channel each channel is subjected to level compression or level elongation independently, whereby the amount of compression or elongation of each channel is made equal and noise is reduced.
COPYRIGHT: (C)1977,JPO&Japio
JP50125304A 1975-10-20 1975-10-20 Noise reducing circuit for multi-channel stereo Granted JPS5250216A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50125304A JPS5250216A (en) 1975-10-20 1975-10-20 Noise reducing circuit for multi-channel stereo

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50125304A JPS5250216A (en) 1975-10-20 1975-10-20 Noise reducing circuit for multi-channel stereo

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP5953082A Division JPS57205807A (en) 1982-04-12 1982-04-12 Noise reducing circuit for multichannel stereo

Publications (2)

Publication Number Publication Date
JPS5250216A true JPS5250216A (en) 1977-04-22
JPS6127806B2 JPS6127806B2 (en) 1986-06-27

Family

ID=14906764

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50125304A Granted JPS5250216A (en) 1975-10-20 1975-10-20 Noise reducing circuit for multi-channel stereo

Country Status (1)

Country Link
JP (1) JPS5250216A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4583134A (en) * 1978-12-19 1986-04-15 Nakamichi Corporation Coded control signal to control tape recorder

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5039502A (en) * 1973-07-09 1975-04-11

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5039502A (en) * 1973-07-09 1975-04-11

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4583134A (en) * 1978-12-19 1986-04-15 Nakamichi Corporation Coded control signal to control tape recorder

Also Published As

Publication number Publication date
JPS6127806B2 (en) 1986-06-27

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