JPS5651005A - Recording and reproducing system - Google Patents

Recording and reproducing system

Info

Publication number
JPS5651005A
JPS5651005A JP12609879A JP12609879A JPS5651005A JP S5651005 A JPS5651005 A JP S5651005A JP 12609879 A JP12609879 A JP 12609879A JP 12609879 A JP12609879 A JP 12609879A JP S5651005 A JPS5651005 A JP S5651005A
Authority
JP
Japan
Prior art keywords
signal
amplifier
large amplitude
playback
recorded
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
JP12609879A
Other languages
Japanese (ja)
Other versions
JPS618483B2 (en
Inventor
Minoru Hosokawa
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.)
Seiko Epson Corp
Suwa Seikosha KK
Original Assignee
Seiko Epson Corp
Suwa Seikosha KK
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 Seiko Epson Corp, Suwa Seikosha KK filed Critical Seiko Epson Corp
Priority to JP12609879A priority Critical patent/JPS5651005A/en
Publication of JPS5651005A publication Critical patent/JPS5651005A/en
Publication of JPS618483B2 publication Critical patent/JPS618483B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor

Landscapes

  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)

Abstract

PURPOSE:To improve the dynamic range and to increase the SN ratio, by separating the source signal to be recorded into a large amplitude and a small amplitude signal component, recording them under the condition that the SN ratio can independently guaranteed, and synthesizing them at playback through the correction of the respective signal components. CONSTITUTION:A large amplitude signal of the source signal is detected and separated from an amplifier 1, AD converter 31, DA converter 32, and filter 33, and is input to a differential amplifier 35, and the signal added with a bias is recorded on a magnetic tape 11 with a magnetic head 37 via an amplifier and a bias signal circuit 2 as it is. On the other hand, the output from the amplifier 1 enters the differential amplifier 35 via a delay circuit 34, and the difference from the large amplitude signal, that is, a small amplitude oscillation is amplified and recorded. At playback, the small amplitude and the large amplitude signal recording are fed to heads 38, 39 and a bias signal rejection circuit 7, resulting that the small amplitude signal is attenuated into a given value and the large amplitude signal is synthesized via a noise filter 40 for playback. Accordingly, the dynamic range can be improved and the SN ratio can be increased.
JP12609879A 1979-09-28 1979-09-28 Recording and reproducing system Granted JPS5651005A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12609879A JPS5651005A (en) 1979-09-28 1979-09-28 Recording and reproducing system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12609879A JPS5651005A (en) 1979-09-28 1979-09-28 Recording and reproducing system

Publications (2)

Publication Number Publication Date
JPS5651005A true JPS5651005A (en) 1981-05-08
JPS618483B2 JPS618483B2 (en) 1986-03-14

Family

ID=14926554

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12609879A Granted JPS5651005A (en) 1979-09-28 1979-09-28 Recording and reproducing system

Country Status (1)

Country Link
JP (1) JPS5651005A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57135406A (en) * 1981-02-13 1982-08-21 Nippon Gakki Seizo Kk Tape recorder

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0248174U (en) * 1988-09-27 1990-04-03

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57135406A (en) * 1981-02-13 1982-08-21 Nippon Gakki Seizo Kk Tape recorder

Also Published As

Publication number Publication date
JPS618483B2 (en) 1986-03-14

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