I'm planning my myth setup and I'm a little confused about how to handle capturing and playing back surround sound. Here's the plan so far:
Backend/frontend with a single pvr-150 (for now) and a Geforce MX460.
The backend will be connected to a Scientific Atlanta digital cable box. The only digital audio out is a digital coax. I have a tuner that will accept an optical input.
It's clear that I need a sound card with an optical out to output audio to the receiver, but how do I get 5.1 captured in the first place?
Do I:
1. Get a soundcard with both coax and optical ports and somehow configure coax for input and optical for output?
2. If I rely on the pvr-150 for capturing the audio by using coax cable from the digital tuner to the 150, will it capture in 5.1? If so, would I be sacrificing video quality by not using s-video?
3. Or am I missing something else?
Thanks,
-John
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