[mythtv-users] MythTV and HDTV future
greenwaldjared at gmail.com
Sun Mar 4 22:55:19 UTC 2007
CompUSA, $70 after $20 rebate this week...
On 3/4/07, Michael T. Dean <mtdean at thirdcontact.com> wrote:
> On 03/03/2007 09:11 PM, Brian Wood wrote:
> > On Mar 3, 2007, at 6:24 PM, David Brodbeck wrote:
> >> Brian Wood wrote:
> >>> On Mar 3, 2007, at 6:06 PM, David Brodbeck wrote:
> >>>> Just read recently that a requirement for all TVs sold in the
> >>>> U.S. to
> >>>> have digital tuners is going to take effect soon. I imagine the
> >>>> price
> >>>> of small TV sets will increase significantly.
> >>> They really shouldn't, as those devices are really nothing once you
> >>> are tuning the VHF/UHF bands anyway. The main cost of a standalone
> >>> card is the board itself and the power regulators, capacitors etc,
> >>> all of which is already there on a TV receiver main board. Really all
> >>> they have to do is add a chip, the real cost is probably the design
> >>> and documentation, as well as the FCC certification.
> >> I'm not sure it's that simple. I mean, whereas the signal chain was
> >> all-analog before, they now need an MPEG2 decoder and frame buffer as
> >> well. This seems like a significant increase in complexity to me.
> > Hmmm... I was only think of the "tuner" you mentioned, not the
> > decoder chain.
> > But think about it, a PVR card in quantity, minus the cost of the
> > board, power components, connectors, IR interface, packaging,
> > marketing, included software and documentation starts to get close to
> > nothing. Granted the TV set might need something better than SD they
> > may only do 720P, and if enough of those chips are made they should
> > get pretty cheap.
> But, even if they only "do 720P", they still have to decode 1080i60
> because it's one of the 18 formats in ATSC... So, you need a full HDTV
> MPEG-2 decoder in there. (I.e. an ATI Xilleon or whatever... Anyone
> know what those go for?)
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