[mythtv-users] Looking for capture card and IR blaster upgrade advice
Joe Auty
joe at netmusician.org
Thu Jun 11 18:24:57 UTC 2009
I'm looking for some general upgrade advice as I'm not confident I'm
understanding the language used in advertising specs for capture cards
in particular.
My current setup includes an Hauppauge PVR 250 and a serial port IR
blaster which I need to change channels with my IR based satellite
receiver. This gear is pretty old now, and now that my satellite itself
includes a digital input and some HD channels I'm sort of kicking the
tires on some upgrade options.
The dual tuner support for recording one channel while I watch another
would be nice, but I'm most interested in the picture quality aspect of
this particular upgrade. I believe that the PVR 250 is purely analog? If
so, what sorts of capture options would you suggest I look into? They
don't have to be Hauppauge, just something that will work nicely with
MythTV :)
Also, as far as inputs go, which will be my best bet? I'm using S-video
with my PVR 250 currently, and I notice that the new Hauppauge capture
cards offer a coax and S-video. Will the best digital signal come from
the coax input?
Secondly, occasionally my programs will record on the wrong channel due
to the IR blaster skipping a number. I notice that when I change
channels there is a temporary CPU spike. I'm using a shell script and
not a perl script and have played around with changing nice values and
stuff like that, but I'm wondering if a USB based blaster would work
better and would be more accurate and reliable? I know that serial ports
are not really built for speed!
Thanks in advance for any general thoughts and advice you have for me!
--
Joe Auty
NetMusician: web publishing software for musicians
http://www.netmusician.org
joe at netmusician.org
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