[mythtv-users] Hook-up question

Fred Squires fsquires at gmail.com
Tue Jul 31 21:27:31 UTC 2007


On 7/31/07, Michael T. Dean <mtdean at thirdcontact.com> wrote:
> On 07/31/2007 07:45 AM, Harry Devine wrote:
> > I know this is going to sound like a silly question, but I'm gonna ask
> > it anyway, as I'm drawing a complete blank.  How do I have to hook up my
> > hardware to begin using MythTV?  I have the latest distribution of
> > MythDora 4.0 installed on a HTPC setup that I just built.  It has a
> > pcHDTV tuner card in it.
> >
> > I live in New Jersey and have a Motorola DCT6412 digital box from
> > Comcast that provides HDTV.  I also have an Onkyo stereo receiver in the
> > mix.  I currently have the main cable coming into the Motorola box, then
> > another coax  cable from that box down to my pcHDTV card and I can't get
> > any stations to come in.  I have an optical S/PDIF cable from my PC to
> > my receiver and cannot get any audio.
> >
> > Any ideas or basic wiring/setup help would be greatly appreciated.  I'm
> > thinking that I'm just "over"-thinking this and confusing myself.
>
> After reading the subject, I thought this message was meant for another
> type of forum.  :)
>
> Anyway, the pcHDTV capture cards are digital capture cards--meaning they
> need to receive an already-encoded MPEG stream.  So, to get TV into it,
> you need to hook the cable TV connection (the one that you currently
> have connected to your DCT6412) to the pcHDTV.  Assuming you have an
> HD-3000 or above, it should do QAM (the modulation used to transmit
> cable TV signals) without problems.  However, the big fly in the
> ointment is whether your cable company decides to encrypt any or all of
> the data.  Most likely you'll be able to get at least your local
> channels in digital (and, perhaps, in HDTV).  Others--like Discovery HD
> or Sci Fi (even in standard def)--are more likely to be encrypted.

I'd just like to add that you can also capture over the air digital
signals on the pcHDTV cards.  These won't be encrypted and they're
typically higher quality that HD signals over cable.  You'll have to
be close enough to a major city to pick them up of course.


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