[mythtv-users] Using with a TV

[Des Dougan]

Thanks for your response, David.

On Thu, 2007-05-10 at 09:02 +0100, David Watkins wrote:
> > I'm really disappointed at this point - I was hoping for quality very
> > close to that of the cable source, and would appreciate any pointers to
> > adjustments I could try.
> >
> 
> Not sure if this will help, but a couple of things to think about:
> 
> 1)  How are you capturing your signal?  If it's an analog card then
> you could change the capture parameters.  Don't set the resolution too
> high, 800x600 is probably reasonable for Standard Definition, and
> experiment with higher bitrates.  Also Google for your capture card
> type and see if there are any ivtv or v4l ctrl commands that have been
> known to improve things.

It's a Hauppauge PVR-150 card. I'll do as you suggest.

> 2)  What resolution are you outputting at?  Your graphics card should
> always output a sane S-Video signal, but you may find that changing
> the output resolution has some effect.  There's no point in setting
> the resolution too high if you're using S-Video, either 800x600 or
> your native TV resolution (720x480 (NTSC) or 720x576 (PAL)) should be
> reasonable.

I think I have it at 800x600 - but again, I'll check (it's upstairs at
the moment).

> For what it's worth, when I was using analog cards, mythtv playback
> was indistinguishable from the source signal, except for fast moving
> scenes. That was on a much smaller CRT though (28").

Good to know.

Many thanks.

Des

> 
> HTH
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-- 

Des Dougan, Principal
Dougan Consulting Group

Ph: 604-980-2848       Email: des at DouganConsulting dot com     

        www.DouganConsulting.com

Design - Implementation - Support