Error 0xC00D1BA1

Value: -1072882783 | 0xC00D1BA1 | 3222084513

What does it mean ?

NS_E_EXPECT_MONO_WAV_INPUT  
The source must be a mono channel .wav file.
Value: 7073 | 0x1BA1 | 0b0001101110100001

Where does it come from ?

FACILITY_MEDIASERVER  
Windows Media Server
Value: 13 | 0x00D | 0b00001101

Other Errors for FACILITY_MEDIASERVER