You can change the recorded filesize on the MyHD, I set mine to 16GB. Of course the downside of the MyHD (or any of the HW encoder cards) is that you're stuck with the app they give you.
Ah, I'll hit this one too while I'm at it :)
Originally Posted by Rolando A
I am shocked that it is still not possible to get your PC to be your HD PVR if you are using a STB. What gives?
Well technically it's possible, it's just that all the raw-HD capture cards are professional products (Look at Decklink, AJA, LSI HDTVXpress). As to why, well there are a few reasons:
1) Capturing raw HD is not trivial, as noted it requires a bus wider/faster than 33/32 PCI, eg PCI-X. And even then it requires a massive amount of storage, on more than 0.5TB/hour.
2) Compressing HD in realtime (like SD cards do, to get around the buss/storage requirements) is not trivial either. With a modern processor (3GHz class or better) you're doing good if you can encode HD at several frames/sec, we'd need about an order of magnitude increase in CPU power to make realtime software encoding of HD practical.
3) A hardware HD compression chip is just not cheap, the HDTVXpress can do it, but it costs 5 figures AFIAK.
4) There's no "legitimate purpose" for a consumer-level raw-HD capture card. As consumers all
HD we have access to is in an already compressed form, generally as an MPEG-2 transport stream, but also via WM9 or H.264 files. Cable and Sat both provide HD as a bitstream, and they also provide HD DVRs. The only reason a consumer to use a raw HD capture card is to bypass the protections in place for HD content.
Now don't come yelling at me about 4, I don't like it any more than the rest of you, but that's the way it is, at least from a business perspective. As such I don't hold out much hope for a PVR-250 like HD capture card.