[mythtv-users] Jason Beck's QAM guide Now on the Wiki

[Daniel Walton]

I started using this last night to setup my Air2PC card.  From my home directory
I was trying to do

dvb-apps/util/scan/atscscan atsc/us-Cable-HRC-center-frequencies-QAM256

but atscscan didn't like that because the atsc directory wansn't in my home
directory.  I changed the wiki to say:

  cd dvb-apps/util/scan
  ./atscscan atsc/us-Cable-HRC-center-frequencies-QAM256


Questions about setting up QAM:

- I only have one HD tuner and I have already set it up for recording OTA and I
have tried before to setup QAM.  The result is that I have a huge dtv_multiplex
table with lots of old info.  Will it hose my two analog tuners (PVR-150s) if I
delete everything in the dtv_multiplex table?  I want to have a fresh start
before trying to get QAM working this time.

- atscscan found 337 entries and so far I can lock onto everyone I've tried with
azap but I can't get mplayer to play any of them.  I've only tried about a half
dozen so I may just be unlucky but is it normal to be able to lock onto a
channel but not play it (it says it can't find a video stream)?  I downloaded
and compiled the latest version of mplayer but still no luck.

- atscscan didn't reveal channel names for any of the 337 channels.  I take it
this is info that my cable company isn't sending.  If I call my cable provider
what additional field of info should I ask them to transmit so that I can get
the channel names?  Time Warner Cable will probably just laugh at me when I ask
but it can't hurt to try :)


Daniel

On Wed, 1 Feb 2006, Steven Adeff wrote:

> I've finished my initial writeup of Jason Beck's guide to the Wiki, it
> can be found at:
> http://www.mythtv.org/wiki/index.php/Adding_QAM_Channels_For_HDTV_Tuner_Cards
>
> I'd appreciate it if everyone that has used it, along with Jason
> himself to go over it and fix things up, etc. Before making any
> drastic changes though, please bring them up in the discussion area
> for the article and give it at least a day for people to respond.
>
> Thanks for the help everyone!
> --
> Steve
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