On Mon, Jul 07, 2003 at 04:32:14PM +0100, Kevin Barsby wrote:
> Looking at the up and coming features planned, there is live TV Pause 
> (time shifting)

Yes, eventually :)

> Given that my TV card won't have any hardware MPEG en/decoders on board, 
> what speed system should I be looking at.

It might be worthwhile to look into hardware compression, you reduce
the requirements (and the noise level) by using a card. 

> This is quite an important question as I am looking to put together a 
> system with *no* fans (similar to the hush mini itx pc 
> http://www.hushtechnologies.net/hushmini.htm). So the fastest PC you can 
>  get in a system with this sort of spec is 1GHz, if this is too slow 
> I'll reconsider Shuttle XPC PCs again.

If you do pure software compression, the speed of your CPU is one
factor; for good quality (i.e. full 720x480) you'd need at least
1ghz... but it would also help to have a well supported TV card that
doesn't require X like the G400. 

I've done acceptable compression on much slower machines, but albeit
at low resolutions (320x240)... rather than upgrading my machine, I
bought a hardware mpeg2 card for about $100 USD on Ebay, and while I
haven't recieved it yet, if it works, it'll keep me from having to buy
a big loud ghz machine....

Aubin


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