Error Fix for audiosrv.dll

Audio functions in Windows are executed by the module audiosrv.dll. This module together with the DLL winmm.dll controls sound capability.

In initializing the Windows Audio Controller the DLL audiosrv.dll implements functions based on Remote Procedure Call services. The Windows Audio service can run on one or multiple RPC services that are available on the following endpoints: the AudioSrv LPC port and the AudioSrv named pipe (Windows XP before Service Pack 2).

In Windows XP the audiosrv.dll file is essential in the seamless operation of applications linked with the file winmm.dll. If the audiosrv service is not present in the system the setupapi.dll file will interrupt the application’s execution which will slow down or hang up the system. The application PlaySound relies on the audiosrv.dll file and the winmm.dll file. It does not need the setupapi.dll file until it actually starts playing sounds which is rarely called by the user.

At the same time the audiosrv.dll file monitors for plug and play notifications. This provides the application lead time to respond to plug-and-play changes without having to burn a thread and a window pump. Whenever a user plugs in their USB speakers the audiosrv.dll file automatically detects it and notifies the appropriate application.

The audiosrv.dll file is also called to manage audio preferences and audio effects. Its management functions even extend to global audio digital signal processing. But probably the most important or widely acclaimed function of the audiosrv.dll file is its ability to offload PnP (plug-and-play) functionality. In lower versions of Windows this functionality was actually a part of the Windows client/server runtime subsystem but in Windows XP it was broken out into its own service to ensure better performance.

For the audiosrv.dll module to do its job, the following functions need to be loaded in Windows Audio:

Multimedia Class Scheduler

Remote Procedure Call (RPC)

DCOM Server Process Launcher

Windows Audio Endpoint Builder

Plug and Play

Recommended fix if you are experiencing audiosrv.dll error messages:

DLL (Dynamic Link Library) files contain computer code and resources that can be used by multiple programs at the same time. This uses less system memory and helps your computer system run more efficiently. DLL files give program developers the ability to reuse code to add features to several programs without the need to write new code for each program.

There are many programs that require DLL files to function properly so when one of them is damaged or missing it will cause program crashes and poor system performance.

To fix these problems the user must replace the damaged file with a valid working version. If a working version cannot be found the user may perform a reinstallation of their operating system.

Audiosrv.dll is created by:

Microsoft Corporation

Known file path:

C:\Windows\ system32\ audiosrv.dll


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