VIDEORECORDER SIGNAL PROCESSING
Many processes have to be carried out on the CVBS signal in order to get it through the head/tape system in both directions while maintaining reasonable fidelity. The complete record/playback video signal system is outlined in Fig. 14.1, where it can be seen that luminance and chrominance signals are separately dealt with throughout the recording and replay circuits, only coming together at a late stage in the playback processing circuit.
Fig. 14.1 Overview of Videorecorder signal system
RECORD LUMINANCE SYSTEM
Fig. 14.2 gives a simplified block diagram of a typical luminance recording process. It ...
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