[mythtv-users] am i dropping frames?

[Jesse Burt]

On Tue, 2008-01-15 at 10:33 -0700, Brian Wood wrote:
> Steve Peters - Priority Electronics wrote:
> 
> > ____________________________________________________________
> > 
> > 
> > Beww, so are you saying that this might be normal for myth recordings? Is
> > everyone using mythtv stuck with this kind of playback problem? It's not the
> > artifacts that are the problem, it's the lack of smooth playback that is the
> > problem. I just don't see how any sports fan could put up with this. I go to
> > other people's houses and watch sports there and I think to myself...I'd
> > better not invite them over to my place to watch sports, cause that will
> > make my mythtv setup look really bad.
> > -Thanks
> 
> No, you should be able to get a recording (and playback) that most
> viewers would not be able to tell from "live" TV, unless you have some
> very critical (and observant) viewers.
> 
> If you are not, the first thing to do is determine if the problem is
> with the recording or the playback. Try playing back a known good
> recording, then try playing back a Myth recording with something other
> than Myth.
> 
> The recording you posted looked pretty good to me except for the
> interlace artifacts.
> 
> beww
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I agree with beww that with the right settings it would be difficult to
tell the difference unless, as stated, someone is very critical or
observant or the difference is being looked for. With the right
settings, I find that image impurities that are easily noticeable on my
15" Laptop LCD or 22" Desktop LCD wind up looking perfectly normal on a
plain old 29" CRT TV. Also is that channel (in your example clip)
available as a digital channel on your service (probably encrypted if it
is)? If so, and your TV is connected to a cable/sat box, perhaps when
watching TV through it, you are watching a digital version of the
analog-encoded clip you posted. If so, that could account for a
difference in quality.

Cheers,
Jesse Burt