[BC] An HD Tuner for $110--vanishing tennis balls

[Kevin Tekel]

Willie wrote:
> I've seen exactly that effect on several different shows about a year
> ago. Most noticable were a few scenes in Star Trek: Enterprise, where
> the room was dark, and when the camera angle changed, you were left with
> a blocky, pixellated after-image of what was on the screen before. In a
> dark scene, when characters talked, their mouths became blurred and
> pixellated, also.

When it comes to MPEG video artifacts, the worst I've seen is when an
ocean wave splashes into the camera.  Every single water drop on the
screen turns into a blocky mess of artifacts.  The image just totally
breaks up until the splash is over.

I've also heard that today's VHS video releases are basically just dubbed
from the DVD release, so you get to enjoy digital video artifacts, many of
which survive the loss of resolution from the transfer to analog VHS
video.
But that's nothing new.  When France introduced SECAM color UHF TV in the
late '60s, their hi-res 819-line black & white VHF TV signals were
subsequently produced by upconverting the 625-line PAL video.  Even though
the system could support it, there was no longer any true 819-line video
to be seen.




		
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