[mythtv-users] Video Quality
Adam Biskobing
tv at badmoon.com
Fri Mar 12 17:57:02 EST 2004
I don't think that is the problem. DirecTV sends down an mpeg2 encoded
signal also, and I don't have any problems with jittery motion. The
only motion problem I ever saw was tearing during high action scenes,
and that was corrected with the deinterlace option.
> -----Original Message-----
> From: mythtv-users-bounces at mythtv.org
> [mailto:mythtv-users-bounces at mythtv.org] On Behalf Of Chris Teachworth
> Sent: Friday, March 12, 2004 3:54 PM
> To: Discussion about mythtv
> Subject: RE: [mythtv-users] Video Quality
>
>
> I've got the jittery motion problem with a PVR-250 too. Just
> out of curiosity, how many of us that have this problem have
> digital cable? I _believe_ the cable co here encodes the
> digital channels to MPEG2 (I've got a dct2224) so is this
> just a consequence of encoding the same signal x2? Just
> guessing here...
>
> Chris Teachworth
>
> > -----Original Message-----
> > From: mythtv-users-bounces at mythtv.org [mailto:mythtv-users-
> > bounces at mythtv.org] On Behalf Of Shay - MythTV
> > Sent: Friday, March 12, 2004 11:37 AM
> > To: Discussion about mythtv
> > Subject: Re: [mythtv-users] Video Quality
> >
> > At 07:52 PM 3/11/2004, you wrote:
> > >Tor Hovland wrote:
> > >
> > >>Rest assured that you are not alone. Having spent the last week
> setting
> > up
> > >>my own Myth box, I have eventually ironed out just about all
> problems
> > (the
> > >>whole thing was very unstable with the stock gentoo sources, but
> > following
> > >>the advice of switching to vanilla sources certainly
> solved it). The
> > picture
> > >>is very good and I'm quite happy with the system now.
> However, I can
> > still
> > >>feel (yeah, that's the term that describes it best) the difference
> > between
> > >>analog and Myth/PVR-250, simply because the analog video is much
> > smoother.
> > >>It seems to me that the capture frame rate is just a
> little too low,
> and
> > >>when contrasting things move quickly you can actually see how they
> jump
> > from
> > >>one discrete position to the next, i.e. not the virtually
> continuous
> > >>movement that we expect from live tv.
> > >>
> > >>
> > >It's possible the problem lies on the output side of things and not
> > really
> > >capture related at all. My wife once said "it's like
> watching tv on
> the
> > >computer but it's on tv" which was her way of saying it
> didn't look
> > >natural... Lots of tweaking later and she's one happy camper. In
> fact
> > >during A/B comparisons she preferred Myth's output to the Tivos.
> > >_______________________________________________
> >
> > I believe that I'm getting the same quality as Tor, and I
> can honestly
> say
> > its not the output. If I watch a DivX movie, the quality is superb.
> >
> > -Shay
> >
> >
> >
>
>
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