I currently have a bt878 chip tuner card and I want to buy a 2nd one but I don't understand how the sound recording can possibly work on this setup. From what I understand at the moment, the sound gets recorded by connecting a lead from the sound out from the tuner card to the line in of the sound card (which in my case is on-board). If that lead is not connected in this way then I'll get a video recording with no sound. Am I right so far?
So, when I put a 2nd tuner card in how do I connect the sound out to the line in of the sound card when it's already been taken up by the 1st tuner card? Is this when you need btaudio? I believe not all tuner cards support btaudio. How can I determine which do and which don't - from what I've seen it seems to just be some Hauppauges and WinTV Radio? Are my options as follows: 1) Buy a sound card when I buy a tuner card, OR 2) Buy a tuner card that supports btaudio (very limited choice and expensive, I believe) Lastly, my mobo has a S/PDIF connector which I currently have no idea how to use but I do want to get Dolby digital working in the future for DVD playback. Does this have any bearing on what sort of sound card I should buy if I go for option 2? Regards, Phill
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