[mythtv-users] Multi-Input Cards

[mike at grounded.net]

> Two completely independent tuner devices can certainly be used at the same time.
> There are limitations.

I bought two cards to try myth out.
Hauppauge WinTV-Nova-HD-S2 DVB-S2 Tuner Card
Hauppauge WinTV HVR-1600 NTSC QAM ATSC

I have the above ATSC card in the main system so would not be using ATSC, only the PVR500's external inputs.
Assume it does it's encoding on board, then I could install a couple of those on two backend systems for example.
The best I could do on the backends unless I used different hardware than I'm hoping, would be IDE 7200 drives.
 
> For example, a PVR-150 only has one encoder, so you can only use one input
> at a time.
> 
> A PVR-500, which is actually 2 PVR-150s, would let you use the composite
> input from one side and the RF input from the
> other at the same time, or even both RF sides, tuning different channels.
> 
> A card which "tunes" ATSC or QAM (or one of the DVB formats) might or might
> not let you record more than one signal at a
> time, depending on what is on what multiplex. This is "multirec", which is
> a whole 'nother issue.
> 
> The main limitation is disk I/O, as long as you can write the total
> aggregate data to disk fast enough, Myth is not
> imposing any limitations.
> 
> So the answer is an unqualified "Maybe", depending on the cards. It's not a
> Myth issue.
> 
> 
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