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Full Version: DVI, S-Video, RCA, VGA, DNA, etc..
Lumenlab > Audio Video Sciences > Projector Builder > Projector Technical Support
jefftt
Okay, I know some is better than others. S-Vid is supposed to better'n Composite, but DVI is supposedly better'n Component..

What does one look for when just "tuning in", like me? I have a projector, now, and have played some dvds on a computer with VGA out. Now, am buying a VGA TV Box.. Some are 40 bucks, some are over 300! ? I know, the videophile crowd can tell the difference between 16ms and 15 ms.. but how 'bout the average hick like me? Can I just buy a Multi AV out to S-Video with Red and White (sound) cables to hook up the PS2 to the box (that I finally decided on buying - the KWorld Xpert something something.. S-Vid to VGA box), then go from it to the VGA in on the monitor? *ahem!...the PROJECTOR*...

Now the graphics card industry is putting out DVI slots on their cards.. So.... where's the other end of THAT go? Would there be a direct DVI to VGA conversion? Would that be tuning it down?

I'm lost. So far, it's just me, the projector, and hopefully the Kworld box will directly hook up to the PS2, and XBox, and DVD player, and I can play big until I can research better environs...
davidcb
I think in the end you are going to be the only one able to judge what works for you. Others can tell you their opinions but your experience could be different.

If you have no need for component and if your computer is fairly fast, you could try to use a capture card on the computer. The advantage is that you can try different programs to do the scaling to see if you like anything. If you do not have video input on your computer there are some capture cards out there that are pretty cheap.

This might be over simplifying but, DVI is a digital version of VGA. Your computer draws your display in memory as digital information. In the old days this had to be converted to an analog signal to be displayed on a CRT monitor. But LCD panels are digital in nature also. So when using VGA you are converting from digital to analog and back to digital again. Using DVI cuts down on the number of conversions and so should have better quality.

I think most of the graphics cards that have DVI also have VGA available on the connector. Then you use an adapter, usually supplied with the card, to connect a VGA monitor. It is best to check the card's specs before buying to be sure it will connect to VGA.

David.
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