RE: OT TV Out Graphics cards

["Paul Gale" <groups@xxxxxxxxxxxxxxxx>]

I have to convert VGA graphics/screen captures regularly for video work
i.e. showing a computer monitor on video. Quality as everyone else
mentioned is pretty ropey at best. I have a TV out card on my CCTV PC -
output is pretty acceptable as it's only showing CCTV images. As soon as
you go to text and windows components, the problems begin.

If you really want to do it, it's best to get the screen resolution as
close to the PAL video size of 720 x 576 i.e. 800 x 600. Small or fine
fonts will still suffer and display 'blurry'. Alternatively, you could
set a custom screen resolution of 720 x 576 if your graphic card allows
and by running a piece of software called 'PowerStrip' which allows you
to create custom resolutions. You then have a 1:1 ratio but will still
loose the edges of the display as all TV displays (apart from pro or
broadcast gear) have underscan areas (they display the image bigger than
the available physical display area - to ensure the screen is filled).

-----Original Message-----
From: Keith Doxey [mailto:ukha@xxxxxxx]
Sent: 15 March 2004 12:28
To: ukha_d@xxxxxxx
Subject: RE: [ukha_d] OT TV Out Graphics cards

Quoting Phil Harris <phil@xxxxxxx>:

>
> Taking PC graphics into a TV by UHF will be *REALLY* pants - remember
> what a BBC micro looked like if you tried to do Mode 0 (80 column
text)
> on a TV and you'll get the idea. (UHF = lowest quality signal format
> that's out there.)
>
> PC graphics, TVs and "decent quality" do not go hand in hand
I'm
> afraid...
>

Whereas BBC via a SCART was actually quite good but not as good as a
Microvitec
monitor.

To get an idea of how pants a UHF feed will be, think about how washed
out and
fuzzy the TV looks when they are showing rolling CeeFax pages on BBC2
compared
to how crisp it looks when you are using Teletext properly.

A TVout wont be quite that good unless you can find a card that does
RGBout
rather than S-Video. The secret to getting a useable PC display on a TV
is not
to try to display too small a font or too high a resolution.


Keith

www.diyha.co.uk
www.kat5.tv



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