[mythtv-users] I bought a pcHDTV 5500, now what?

[Steven Adeff]

On 11/24/06, Derek Tattersall <tatters at newsguy.com> wrote:
> Steven Adeff wrote:
> > On 11/22/06, Derek Tattersall <tatters at newsguy.com> wrote:
> >
> >
> > Nope, thats usually how it turns out. dvbscan will find all the
> > channels, even the encrypted and "music" ones. Sadly, cable companies
> > don't usually add the channel information so its a guessing game. One
> > way to do it quickly is with mplayer and a paper pad(I know, how old
> > school, I must be dating myself...). Though I believe SVN will let you
> > do the channel editing within mythfrontend, but I haven't used that
> > feature yet.
> >
> >
> >
> >> And to bring up another question I just thought of, am I using the
> >> correct frequency table? Does anyone know what frequencies Time
> >> Warner are using for their digital line up?
> >>
> >
> > that's another guessing game. Most use HRC for QAM, but if that
> > doesn't work, then IRC will have to be tried.
> >
> >
> Thanks for the advice.
>
> My cable company is Time Warner, in Greensboro NC. I have basic service,
> no digital channels.
> After much fiddling, this is what I have been able to identify so far.
>
> channels.conf :
> [WGHP]:729000000:QAM_256:66:67:3 # Fox8 WGHP
> [WFMY]:729000000:QAM_256:64:65:1 # CBS WFMY
> [WFMY_W]:729000000:QAM_256:73:74:2 # CBS WFMY Weather
> [UNC_NC]:729000000:QAM_256:68:69:17 # UNC NC
> [UNC_ED]:729000000:QAM_256:75:76:16 # UNC ED
> [WXII]:747000000:QAM_256:64:65:3 # NBC ? WXII
> [WXII_W]:747000000:QAM_256:69:72:4 # NBC Weather + ?
> [UNC_?]:747000000:QAM_256:66:67:13 # WUNC ?
> [UNC_K]:747000000:QAM_256:73:74:15 # UNC Kids ?
> [UNC_HD]:747000000:QAM_256:76:77:14 # UNC HD
>
> So that brings up another question. My computer is an AMD Athlon 64
> 2800+, with an Nvidia GeForce FX5200
> video card. The playback looks horrible. There is massive pixilation and
> the audio and video keep dropping out of sync. Mplayer keeps complaining
> that my system is too slow.
>
> I've been looking for an excuse to upgrade my computer. What is the
> hardware needed to play back an HD signal with the pcHDTV card? Could I
> get away with just buying a better video card? Or should I upgrade my
> processor too?
>
> Thanks for the information.
>

first try playback with XvMC enabled, which will alleviate the speed
issues so you can see if its a signal quality issue.