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In Reply to: Re: Question for I-Scan owners posted by lwang on February 22, 2002 at 23:47:02:
I guess I need to read up some more, I really don't know very much about video processors. So if price weren't the major issue which processor would you recommend that does all/most things well for a plasma?
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Processors does de-interlacing (doubling,) scaling to your panel's native resolution, various filtering, noise reduction and picture cleanup.Probably the hardest part is de-interlacing, and that is where the native display's build-in unit are at its worst. With a doubler like the DVDO, it will do the de-interlacing, and the display will do the scaling. With a scaler, it will do de-interlacing and scaling. The misc stuff like noise reduction depends on the individual unit.
A good bet for fixed resolution device is a Faroudja NR. It only has 1 resolution, but you only need 1. It has excellent de-interlacing and scaling capability. It goes for $3-$4k. Price no object would be the Teranex, which goes for > $30k, but has 1000x the computing capability of something like the NR, so it could do video de-interlacing on a pixel by pixel basis, applying different algorithm to each pixel, depending on what that pixel's temporal properties are. Whereas the NR would apply different algorithms to different region based on a field of info, the Iscan would do a region based on a frame of info, and the Quadscan would apply the same algorithm to the whole frame.
Great info, I am just learning about video. Spent the last few years learning about audio and just started video recently. Your explanation I find very leyman and what I was looking for. The Faroudja is a bit out of my range currently. I think I will deal with it for now, wait till I buy a place and see if I can't get HDTV sat broadcast. I find a good DVD player has a great picture on the plasma and I have not yet seen a need for improvement on this front, however, cable leaves something to be desired.
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