[mythtv-users] Re: New MythTV Hardware Review
hamish at cloud.net.au
Thu Dec 9 13:08:58 UTC 2004
On Sun, Dec 05, 2004 at 11:54:42PM -0800, Brad Templeton wrote:
> ATSC is in fact the only reason people are putting up new antennas. If
> you get satellite, you must use an antenna to get your local stations.
> The satellite companies don't have the bandwidth to feed all the locals
> in HD, not yet. For your HD-cable, you can get it without an antenna.
> The protocol for that is called QAM, it is different from ATSC and DVB.
> Whether they would let you put a cablecard into a PC and an open
> source PVR is an interesting question.
FWIW, DVB-T uses QAM (16, 32, 64, 128).
> Anyway, the pcHDTV card we are all talking about is rumoured to have
> QAM support in development, so it could tune your cable and you
> would not need an antenna. As to when, who knows?
> The QAM signal for your local stations should be unencrypted. The
This is a bit confusing; the encryption would be at the MPEG level,
with QAM just being the analog modulation used to carry the MPEG
Any chance the USA would like to adopt DVB-T? :-)
I hear that QAM is better than 8VSB also (your OTA modulation).
Hamish Moffatt VK3SB <hamish at debian.org> <hamish at cloud.net.au>
More information about the mythtv-users