[mythtv-users] Slow mo channels
hamzee at sbcglobal.net
Wed Jun 18 12:54:22 UTC 2008
Tom Dexter <digitalaudiorock at gmail.com> wrote: On Wed, Jun 18, 2008 at 7:29 AM, Shawn Hamzee wrote:
> I have had mythtv running on my ubuntu 7.10 machine for a while. i get great
> hd pictures on nbc, public tv station, cw and cbs; however, fox and abc are
> not perfect. it appears the pictures is somewhat of a slow motion and then
> it stutters every 2 or 3 seconds also. i tune into QAM with qam-256 thru
> coaxial cable.
> i've optimized my xorg environment which i think it is. i have direct
> rendering enabled and overal the picture itself is great but as i said on
> those two channels i have the above mentioned problem. here are some specs:
> processor amd 64 bit 5600
> memory 2 gig
> disk 500 gig
> os ubuntu 7.10 (amd 64 bit version)
> myth 0.20.2 (compiled locally with dpkg build option)
> video driver (fglrx proprietary from ati for x1200 onboard card)
> tuner pchdtv 5500 (i think it's a conexant type of card)
> if you can help solve this problem, that would be great.
While I don't have an answer to your problem, I can tell you that the
difference between the two is that Fox and ABC are both 720p (60fps)
while all the others are 1080i (30fps), so whatever the cause, it's
surely related to that.
interesting. didn't know fox and abc are at 720p. is there anything i can do as far as mythtv's configuration is concerned to account for that? from experience, i can tell that nbc has the best picture available and then cbs and the public tv station.
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