What is "Multimedia Class Scheduler" in my Windows 8 service list? And how is "Multimedia Class Scheduler" service related to mmcss.dll?

"Multimedia Class Scheduler" is a Windows 8 service that Enables relative prioritization of work based on system-wide task priorities. This is intended mainly for multimedia applications. If this service is stopped, individual tasks resort to their default priority. "Multimedia Class Scheduler" service is provided by mmcss.dll program file.

Detailed information on "Multimedia Class Scheduler" service:

Service name: MMCSS
Display name: Multimedia Class Scheduler
Execution command: C:\Windows\system32\svchost.exe -k netsvcs
Dependencies: None

"Multimedia Class Scheduler" service is provided by a program called: mmcss.dll:

Name: mmcss.dll
Location: C:\Windows\system32\mmcss.dll
Description: Multimedia Class Scheduler Service
File version: 6.2.9200.16384 (win8_rtm.120725-1247)
Size: 80896 bytes
Modified: 9/20/2012 6:31:57 AM UTC

Disabling "Multimedia Class Scheduler" service may cause issues when running Windows 8 system.

⇒"svchost.exe -k netsvcs" Services on Windows 8

⇒⇒Windows 8 Services Tutorials