[mythtv-users] Re: New MythTV Hardware Review

nate s nate.strickland at gmail.com
Fri Dec 10 06:38:37 UTC 2004

Nah, here in the US we are far too arrogant to adopt other countries
standards :)

I thought that QAM was only good over cable.  I didn't know it could
work OTA as well.


On Fri, 10 Dec 2004 00:08:58 +1100, Hamish Moffatt <hamish at cloud.net.au> wrote:
> 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
> data stream.
> Any chance the USA would like to adopt DVB-T? :-)
> I hear that QAM is better than 8VSB also (your OTA modulation).
> Hamish
> --
> Hamish Moffatt VK3SB <hamish at debian.org> <hamish at cloud.net.au>
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