Just out of curiosity since I want to use the Asus Xonar DGX with 5.1 compatibility, and there are quite a lot of streams and movies out there which offer 7.1 audio streams.

closed as off-topic by Tetsujin, Rory Alsop Apr 27 '17 at 18:50

This question appears to be off-topic. The users who voted to close gave this specific reason:

  • "Questions that are related to consumer audio consumption (such as audiophile or home theater) are off-topic. For more information, see the meta post on Non-Production Questions." – Tetsujin, Rory Alsop
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  • Nothing. Your sound card isn't capable of 7.1. It'll just play 5.1. – Xaphas Apr 27 '17 at 15:59