Re: Are there advantages to using a Hauppauge 350 for MPG-2 display on a monitor?

[Brian Jackson <notiggy@xxxxxxxxx>]

FYI, the lists at ivtv.sf.net are probably a better place for these questions.


On Sun, 06 Mar 2005 10:04:36 -0500, John Turnbull <stuff4_john@xxxxxxxx> wrote:
> I am considering buying either a Hauppauge PVR 250 or 350, but I am a
> little confused regarding the differences.
> 
> Am I correct:
> 
> Both do hardware compression with a MPEG-2 encoder so that recording a
> show uses very little CPU resources.
> 
> Only the PVR 350 does hardware MPEG-2 decoding so that existing MPEG-2
> files on your computer, from any source, can be played back through the
> TV out to a TV set while using little CPU resources.
> 
> (Oh yes, the 350 has an FM tuner, but I do not care. . .)
> 
> My real problem is that I do not have a TV but have a large investment
> in large, very good glass monitors and plan to watch TV on these. I
> expect that I would tend to burn DVDs if I wanted to save recorded
> shows, but I might - vary occasionally - pump a recoded show out to an
> existing VCR.
> 
> Now the PVR-250 does have TV out, but not hardware decompression. Would
> software decompressing be fast enough to record to a VCR on a PIII duel
> processor at 700MHz with 512 MB memory - assuming that the machine was
> doing nothing else?

Actually, the 250 doesn't have tvout. A dual 700 should be able to
decode mpeg2. (I used to do it on my k6-2/450)

> 
> Does the PVR-350 offer any advantage with Hardware decoding when
> displaying on the Computer Monitor.

Nope, the decoder _only_ goes to the tvout.

> 
> The specifications in the Hauppauge page are not clear on this point.
> 
> Thank you.  John T

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