[mythtv-users] rescanning new comcast QAM256 channels (old analog) with hdhomerun

Andrew Burgess aab at cichlid.com
Sat Apr 11 05:01:57 UTC 2009


On Fri, 2009-04-10 at 20:42 -0500, Mr. Vining wrote:

> > Problem is that when I rescanned with hdhomerun in mythtv-setup, it  
> > picked
> > up a few extra channels, but not the ones I needed.

> I've had that issue a few times, the default is not "full scan".   
> Make sure when you set up the scan to do a full scan, and cable, and  
> qam256, but mostly the full scan is what I miss anyway.  Also for the  
> heck of it, you might want to try scanning qam64.  Here in MN when we  
> first rolled out digial we weren't using qam256, but i would think  
> they have moved to qam256 across the board by now.  Might be worth a  
> try.

Did you try the scan with the hdhomerun utility? It not only scans many
times faster but it scans for all the qam-N in one scan. That would tell
you if it's a hdhr problem or a myth problem.

Here in Santa Cruz CA, comcast has both qam-256 and qam-64




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