Magnetic recording and reproducing apparatus which replaces an i

Details Magnetic recording and reproducing apparatus which replaces an i Magnetic recording and reproducing apparatus which replaces an i

1995-02-28

1998-01-27

Tran, Thai

Motion video signal processing for recording or reproducing

Local trick play processing

With randomly accessible medium

386 96, 386 98, 386100, 386104, H04N 592, H09N 5928

Patent

active

057129487

ABSTRACT:
A magnetic recording and reproducing apparatus wherein synchronizing separation of a reproduction video signal can be performed accurately and a stabilized reproduction video signal can be obtained. The magnetic recording and reproducing apparatus includes a switch device for selectively inserting, upon recording, a PCM modulated audio signal into a blanking period of an FM modulated video signal, a PCM region signal generator for identifying a region of a PCM modulated audio signal in a reproduction signal reproduced by a rotary head and generating a control signal representative of a PCM audio signal region, an FM demodulator for FM demodulating a reproduction signal from the rotary head into a reproduction FM demodulation signal, and a clip circuit for clipping a lower end portion of a PCM audio signal region of a reproduction FM demodulation signal from the FM demodulator in accordance with a control signal generated from the PCM region signal generator.

REFERENCES:
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patent: 5103349 (1992-04-01), Sochor
patent: 5181125 (1993-01-01), Kawakami
patent: 5210618 (1993-05-01), De Haan

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