Asus P8P67 WS Revolution - Manual (Page 23)

ASUS P8P67 WS Revolution 1-7
ASUS Crystal Sound
8 Channel Audio Codec
The onboard 8-channel HD audio (High Definition Audio, previously
codenamed Azalia) CODEC enables high-quality Absolute Pitch 192khz/24bit
audio output, true BD lossless sound, jack-sensing feature, retasking
functions and multi-streaming technology.
DTS
DTS Surround Sensation UltraPC delivers exceptional 5.1 surround
experience through the most common PC audio setups - your existing stereo
speakers or headphones. In addition to virtual surround, “Bass enhancement”
provides stronger low frequency bass sound, and “Voice clarification”
provides clear human dialogue even with loud background sound. With these
technologies, you may experience a better home-theater audio with ease.