Asus P8B WS - Manual (Page 23)

ASUS P8B WS 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.