[mythtv-users] QAM64 vs. QAM256
Brad DerManouelian
myth at dermanouelian.com
Sun Apr 22 15:21:36 UTC 2007
On Apr 22, 2007, at 11:13 AM, Geoff Mishkin wrote:
> I've been trying to get the digital part of my roommate's pcHDTV
> HD-5500
> to cooperate for a couple of months now. I have an HD-3000 which
> works
> fine with QAM256, but with his, the signal strength would remain at 0
> when I try to scan QAM256. I recently inadvertently scanned QAM64 and
> to my amazement, all the channels showed up!
>
> We are both connected to the same cable system, and are behind the
> same
> splitter. We are both on kernel 2.6.20. I was wondering if someone
> could provide an explanation for the apparent two different
> modulations
> on the same piece of wire.
>
> --Geoff Mishkin <gmishkin at bu.edu>
I think I remember a bug in some newer kernels where the strength is
not reported correctly and always displays as 0.
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