Not entirely - you could upload a 50/60 frames per second video where every other frame only has half of the lines. It would probably look terrible without the

Not entirely - you could upload a 50/60 frames per second video where every other frame only has half of the lines. It would probably look terrible without the smoothing effect that a phosphorescent display offers, but it would accurately preserve the information to as high a level of precision as you design the recorder's ADC to measure.