Error 0x8004505A

Value: -2147200934 | 0x8004505A | 2147766362

What does it mean ?

SPERR_VOICE_PAUSED  
The operation cannot be performed because the voice is currently paused.
Value: 20570 | 0x505A | 0b0101000001011010

Where does it come from ?

FACILITY_ITF  
COM/OLE Interface management. FACILITY_ITF is designated for user-defined error codes returned from interface methods
Value: 4 | 0x004 | 0b00000100

Other Errors for FACILITY_ITF