TerraTec SoundSystem Aureon 5.1 PCI Manual page 10

PCM, sampling frequency and S/PDIF in/out loopback
You can enable "PCM" from the drop-down-menu for the S/PDIF output. You can also select
the sampling frequency and S/PDIF in/out loopback. The S/PDIF loopback is a direct loopback
of the signal from the S/PDIF input and brings the signal to the S/PDIF output.
PCM and S/PDIF in/out loopback Sampling frequency
Environment
You can use this menu to simulate sound effects. Have fun experimenting with different set-
tings!
10 SoundSystem Aureon 5.1 PCI (English)