[mythtv-users] Answers about pcHDTV HD-3000 support in Myth, QAM support, and more

Brandon Beattie brandon+myth at linuxis.us
Wed Oct 20 21:14:59 UTC 2004

On Tue, Oct 19, 2004 at 01:52:11PM -0400, Preston Crow wrote:
> While the HD-3000 will hopefully have support for unencrypted QAM
> digital cable streams, am I correct that there is only one coax input,
> so you won't be able to switch between broadcast and cable in software?

There is one input for NTSC, ATSC, and QAM.  You can switch between any
of these 3 in software (well just NTSC and ATSC since QAM support is not
here yet).  

Yes, few use NTSC, but some do.  Because NTSC and ATSC are tuned the
same, the hardware that was used to base the HD-x000 cards basically let
NTSC come free, and support was added because it was quite simple to do.
But yes, hardware encoders like the PVR-x50's are much better for
quality than what you get from Most NTSC tuners, but of course not all.

> Personally, I would have kept the two coax inputs and dropped NTSC input
> altogether.  All the reports from the forums suggests that hardly anyone
> is even trying to use the NTSC side of the card, as using a hardware
> MPEG encoder is vastly superior.
> --PC

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