[mythtv-users] Comcast digital transition: Pointer to useful Wiki articles

[Mark Knecht]

Great info. Thanks!

- Mark

On Fri, Mar 13, 2009 at 11:19 AM,  <stefan_jones at comcast.net> wrote:
> Patrick asked me what techniques I used to find the newly added digital
> channels on my local Comcast network.
>
> Reprise of problem:
>
> Comcast is replacing the Standard Cable analog channels (32-72) with
> standard-definition digital channels.
>
> My HDTV and the Silicon Dust scan result found these channels, and gave them
> consistent channel addresses. For example, Sci-Fi Channel can be found on
> 73_6.
>
> However, the standard channel scan available through mythtvsetup either
> can't find these channels or finds them in wildly different channel
> addresses.
>
> How I fixed it:
>
> I used an alternative method of scanning for digital channels. Start on this
> Wiki page:
>
> http://www.mythtv.org/wiki/Adding_Digital_Cable_Channels_(For_ATSC/QAM_Tuner_Cards_--_USA/Canada)
>
> I had to install the DVB apps package:
>
> http://www.mythtv.org/wiki/Dvb_Apps
>
> NOTE! The "scan" utility was installed on my system as scandvb. That's not
> reflected in the article.
>
> The output of the scan is a raw channels.conf listing. I only had a few
> listings with channel names. To identify the channels I had to use the steps
> described on  "DVB search" :
>
> http://www.mythtv.org/wiki/DVB_search
>
> The script on this page worked just fine. It creates a directory full of
> short MPG movies of each channel found. I ran it during the morning,
> however, resulting in a lot of channels with infomercials. A scan during
> prime time would have been more productive. Have your TV guide ready.
>
> You can also use
>
> mplayer -nosound dvb://'channel name or number here'
>
> To view live output.
>
> Edit the channels.conf so it has usable names. Edit out the channels you
> don't care about.
>
> Use the mythtvsetup to do a scan of your digital setup, but select the
> "import channels.conf" scan type.
>
> Then use the channel editor to add XMLids to the channels.
>
> NOTE: My setup has a problem with digital and analog channels of the same
> type coexisting. The analog channel seems to mask the digital one. So, while
> my newly added MSNBC digital channel shows up on the guide, the digital
> version of Sci-Fi is masked by the analog version. Bug? Expected behavior
> given that the XMLids are identical? In any case the analog channels will go
> away eventually.
>
> Stefan
>
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