This is a Windows system installed file with Windows File Protection (WFP) enabled.
There are 62 versions of audiosrv.dll in the wild, the latest version being 6.3.9600.16384 (winblue_rtm.130821-1623). The average file size is about 343.61 KB. The executable is a .NET framework assembly utilizing the CLR.
Manages audio for Windows-based programs. If this service is stopped, audio devices and effects will not function properly. If this service is disabled, any services that explicitly depend on it will fail to start.
(Note, the behaviors below are for all versions of audiosrv.dll, select a unique version for details.)
United States installs about 40.15% of Windows Audio Service.