[mythtv-users] Video quality?
Jay R. Ashworth
jra at baylink.com
Sun Sep 30 22:38:39 UTC 2007
On Sun, Sep 30, 2007 at 11:33:42PM +0100, Kevin Page wrote:
> I'm "dabbling" with MythTV; I'd like to use it for my digital TV needs,
> so I've been using it on and off for a month or so.
> I've noticed this issue too, and I'd agree that Piers describes it well.
> On Sat, 2007-09-29 at 13:05 +0100, Piers Kittel wrote:
> > If you took 2 identical TVs, one
> > connected to a digital input, such as a Freeview (UK DVB-T) box, and
> > another connected to a computer connected to an identical Freeview
> > box and asked me which was showing the output from a Freeview box,
> > and which was from MythTV. I could tell you in a second just from
> > watching the video output. What I would see is very very slight
> > jerking in between frames - it's not totally smooth, I can see very
> > slight jumps when it transitions in between frames. It's very faint
> > but it's there.
Tell me: is it *this*?
Frame through a recording and see if every 5 frames, the 6th frame is
identical to the 5th frame.
We had this problem, and it went away when we upgraded. I *think* it
was actually ivtv's fault, but I could never quite nail it down.
It's particularly notable on fast pans, obviously.
Jay R. Ashworth Baylink jra at baylink.com
Designer The Things I Think RFC 2100
Ashworth & Associates http://baylink.pitas.com '87 e24
St Petersburg FL USA http://photo.imageinc.us +1 727 647 1274
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