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DVI to VGA

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greenuns   04-04-2003 at 11:51:27 AM

I'm currently a design student and I always hear that DVI shows better quality. Then I hear that DVI is only for LCD monitors. Since I have a FE950+ (nec) monitor, and a Ti 4600 (that has a DVI output jack) if I buy a DVI to VGA converter will there be a noticible difference in my display? id it worth getting the converter or is it just marketing hype? or is DVI really for LDCs only?

let me know what you guys think
thanks

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TKH   04-04-2003 at 02:49:02 PM
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You are right, DVI is for digital display only, your analog monitor can't use DVI and you can't get better display by using DVI-VGA convertor becuase you only doing the same job by converting the digital signal to analog and that's how your VGA port is for.

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upec   04-04-2003 at 04:16:05 PM
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The difference in DVI and regular VGA is not really noticable. I tried on my LCD that support both DVI and regular VGA. I did not notice any difference.

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greenuns   04-04-2003 at 06:24:00 PM
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thanks for the help guys, much appriciated

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Teq   04-04-2003 at 07:05:31 PM
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You can try it... but I think you'll run smack into the limitations of your display.

The source of the display signal digital or analog is the same, DVI is just a different way of transmitting the signals. So the display quality of the video Card won't be any especially different between the two ports.

If anything is limiting your display quality, even with a high end monitor, it's the monitor itself. With analog signals you run into all kinds of stuff that subtly interferes with the purity of the signal. Unfortunately most of these things are inside the monitor itself.




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svol   04-04-2003 at 07:20:13 PM
- 0 +

IIRC a DVI plug has both digital (for LCD) as analog signals. With the converter they just re-aligne the right signals with the right pins.

My dual-PSU PC is so powerfull that the neighbourhood dims when I turn it on :eek:

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tombance   04-05-2003 at 11:50:02 AM
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For me DVI made a lot of difference. With VGA the monitor had a green tinge and it would automatically Re-allign itself in every new app (v. annoying), DVI gives a much better signal quality IMHO.

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svol   04-05-2003 at 02:18:05 PM
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Whas that with a LCD or CRT monitor?

My dual-PSU PC is so powerfull that the neighbourhood dims when I turn it on :eek:

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tombance   04-05-2003 at 08:27:18 PM
- 0 +

Oh, that was with an LCD. I have heard of VGA CRT's, but I've never seen one.

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svol   04-06-2003 at 07:48:59 PM
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For LCDs you always have to use DVI instead of VGA... much better. CRTs are almost always analog so there is no reason to use DVI.

My dual-PSU PC is so powerfull that the neighbourhood dims when I turn it on :eek:

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tombance   04-07-2003 at 05:29:41 PM
- 0 +

Yeah I suppose LCDs are Digital bdcause the pixels are either on or off. In CRT's the electrons are deflected by magnets by a certain amount and so the whole system must be analog.

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svol   04-08-2003 at 07:21:12 PM
- 0 +

Yes, that sounds like a logical explanation. Although a digital signal can be converted to analog.

Also keep in mind the VGA connecter is an old connecting type which goes back in the days LCDs didn't existed.

My dual-PSU PC is so powerfull that the neighbourhood dims when I turn it on :eek:

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