Asus Xonar DGX User Manual page 33

6.2.3 SPDIF Out
It enables a single digital connection to carry high quality audio from your PC to
digital speakers and AV Receivers.
1
No Item
1 S/PDIF Out enable/
disable
2 S/PDIF Output
Formats/Functions
2
Description
Click this check box to enable S/PDIF output.
PCM (Pulse Code Modulation, which is a typical raw audio
data format.)
ASUS Xonar DGX 27