[mythtv-users] PVR250 or HD3000?

Kyle Rose krose+mythtv at krose.org
Mon Dec 20 21:24:07 UTC 2004


"Michael J. Lynch" <mlynch at gcom.com> writes:

> That's not what the pcHDTV website says.  It specifically states
> that the card MPEG2 encoding.  See the second line of paragraph 2 of
> the following link:
>
> HD-3000 at pcHDTV <http://www.pchdtv.com/hd_3000.html>
>
> The line I'm referencing is:
>
> "The card receives NTSC and ATSC Signals and converts them to
> digital streams which are transported across the PCI bus."
>
> I know that ATSC is already MPEG2, does this possibly mean that
> NTSC is converted to some digital format that is something other
> than MPEG2?

It converts the NTSC analog signal to digital frame data, which is
essentially an uncompressed image.  It is a frame grabber, nothing
more.

> Further reading on the page suggests NTSC is, in fact, MPEG2 encoded.

I see the letters "MPEG" in only two places on the page, both in
reference to software decoding.

Cheers,
Kyle


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