Quote:
Originally Posted by heero_yuy
One anti-copying trick that was used on film channels was to insert several lines of peak white during the frame retrace fairly randomly. This is where VCR's set their reference recording levels, as the video here is normally at black level, this would ruin any attempt to record off air.
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We used to run our digibox through a VCR. We ordered something from on-demand and the picture was just static and black and white grey bars going up the screen like crazy. I'm assuming this is my experience of that even though we weren't copying! I always wondered how that worked, cheers