Digital video recording and playback apparatus using different r

Details Digital video recording and playback apparatus using different r Digital video recording and playback apparatus using different r

1992-05-29

1993-09-21

Shepperd, John

Dynamic magnetic information storage or retrieval

Converting an analog signal to digital form for recording;...

G11B 509

Patent

active

052473996

ABSTRACT:
In a digital video recording and playback apparatus, at the time of recording, an analog signal is converted into a digital signal by an analog/digital converter and the thus-converted digital signals are stored in a memory on the recording side for each unit such as a frame and a field under the control of a memory address controller on the recording side. The stored digital signals are recorded on a digital audio tape by a digital recording device. At the time of playback, the digital signals are played back from the digital audio tape by a digital playback device, and are stored in a memory on the playback side for each unit such as a frame and a field under the control of a memory address controller on the playback side. The stored digital signals are converted into analog signals by a digital/analog converter before being outputted.
The read and write operations for each individual memory are different.

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patent: 4775901 (1988-10-01), Nakano
patent: 4858032 (1989-08-01), Okada et al.
patent: 4991034 (1991-02-01), Sato
patent: 5021893 (1991-06-01), Scheffler

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