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My impressions of the field-sequential demo at ETF:
Viewing close-up on fast motion I could see some color fringing - but as expected, the fringing was mainly on the part of the image you are not fixed on. If you are tracking a moving object, it is fringe-free, but the background has fringes; if your eyes are stationary, the moving object has fringes.
Viewing from the back of the room (pretty useless for the small screen), you could see color "flashing" as your eyes moved (really, gross fringing of the whole image).
One thing I noticed is that at the brightness levels used, the flicker was not really bad. I always wondered what that would look like. I could see some. Flicker is a very strong function of brightness and scan rate, and a fucntion of individual threshold to a lesser extent. I think personal differences would easily account for Steve not seeing it.
Flicker was much worse on the Colortel converter which was using a color wheel on NTSC scan rates, and I would be surprised if anyone could not see it.
My former boss at Zenith saw the original CBS demos, and always said that the CBS system color reproduction was the best of the systems at that time. But of course, the recent demos all start with an NTSC source, so the original results cannot be judged until we have a color wheel camera operating.
If the demos last year were converted from NTSC composite they would have the reduced color bandwidth, but that may not have been noticeable on the small screen either. I am wondering now if the converter took in NTSC composite, or YPbPr for better color bandwidth.
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