ASUS Xonar U1 USB Audio Driver v5.12.8.2009-LO05-LO05 Windows XP(x32/x64). Xonar U1 Driver V5.12.8.2009-LO05 for Windows XP32/64bit: # a. Fix turning [7.1 virture speaker] will cause the sound lost of head phone.
# b. Fix there are no Tips for each mode of Dolby virtual speaker and Dolby head phone.
# c. Update array MIC algorithm, improving noise reduction.
# d. Support SPDIF out mute.
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