Re: MCE 2005 w/ Rollup 2 AND HDTV

OK,
Let me understand, QAM comes into my house, QAM gets converted to both ATSC
and NTSC after the cable box. Theoretically, if I took the DVI (or
component)out from the cable box, and ran it in to a DVI (or component) in on
my MCE box - we'd have HD to MCE - then if I output Through DVI to my TV - I,
in theory now, have HD on my tv, through MCE.?? (of course knowing that my
graphics card or PVR card isn't limiting the ATSC feed)?
So in summary, since I cannot find a PVR Card that supports component cables
or DVI, (grrr), (let me know if you know of one), I cannot get HD out of
Cable?
-mike

"JW" wrote:

All of the SD cable channel inputs are in NTSC(480i) format both analog and
digital. The HD channel inputs are in ATSC resolutions trasmitted via QAM
which is not the same as ATSC

There is no requirement that any Cable or Satellites companies transmit IAW
ATSC RF standards since they are not tranmitting using an antenna with FCC
assigned frequencies.

An NTSC tuner can only receive NTSC standard analog RF channels(2-99) which
can come by antenna or by analog cable.

An ATSC tuner can only receive MPEG2 encoded/compressed digital RF channels.
When your comcast sends output to your TV in Component or DVI/HDMI it is
sending decoded/uncompressed HD video and part of the signal using these
transports tell the TV what resolution it is receiving.

Yes a COAX cable can carry either NTSC or ATSC RF signals but if the
receiving end tuner will receive they type of signals it is designed for
just as a telephone line can transmit any lanquage, however if the listener
does not understand Russian the talker can not speak Russian and be
understood.

"Mike" <Mike@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote in message
news:35D20798-B96A-4864-8BD6-08AFBFF33863@xxxxxxxxxxxxxxxx
So I guess the bottom line is, after the comcast box, (through component
OR
through coax) the format is NOT ATSC (correct?) so Windows XP Media Center
Edition will NOT interpret? Is that correct? How does my TV know that the
feed is HD then. I thought ATSC was the new digital standard that the US
is
pushing and all should conform.
If that is the case, in what format does Comcast HD come in as (my TV ONLY
tells me that 720p is coming in directly from the comcast box and NOT the
format)
I had assumed that the cable box just doesn't have a HD Tuner on the coax
out.
But Coax should carry HD (especially in the form of ATSC OTA)
Confused...?

"GBK" wrote:

it outputing 480i thru coax from your comcast box then you have a non HD
card so it only accepts 480i NTSC format. the problem isn't so much that
MCE
won't support HD from Cable but more so that the cable conglamorate
didn't
allow to build cards that can tune HD Cable. MCE can handle HD (ATSC
format -- over the air only) res etc you just don't have a card that will
supply it in that format. There is no cards available that will let you
do
this at this point... Microsoft Vista will have the ability to use a new
card that should come out in the same time frame but at this point it's
unclear that you will be able to buy it as an addon to your current pc..
From what I understand it will only work with Vista and will only come on
"certified" by Cable Labs computers.


"Mike" <Mike@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote in message
news:4A838030-25BE-4773-BC13-A1F9CDA4A9E3@xxxxxxxxxxxxxxxx
Thanks Roy.
I don't understand why not though... unless the format is different for
HD
feeds.
When I choose a HD channel, I do get the feed, but it comes at 480i.
That
tells me that the feed "should" pass through... ??
What does the comcast box / hd tuner directly to the tv do that media
center
won't understand?

Thanks

"Roy" wrote:

Mike,
MCE 2K5 only supports Over the Air HD, so the comcast HD won't work
though
your Media Center. However, it will work on an HD tuner connected
directly
to an HD TV.
Hope this helps/

"Mike" wrote:

Hopefully I don't piss off too many people with this question (I did
search a
bit before sending this, however the results that I found seem old)

So as of 3.27.06, can I get HDTV (from Comcast - through their HD
Conversion
box) passed through MCE 2005, to my TV -(channels changed using IR
Blaster).
The biggest problem that I see at this point is losing it from the
Comcast
box, going to the PC running MCE. The PC has the Hauppauge 500 with
1
coaxial input, 1 svideo input, and 1 composite input - all that
"aren't
HD".
Is there a PVR type card that will keep integrity of HD the HD feed?
I currently have the Comcast HD box connected to MCE with Coaxial
cable,
however the Motorolla box (I believe) doesn't support HD from the
Comcast /
Motorolla coaxial OUT. ??
This, I believe, is where I am losing HD feed






.

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