Win 7 network game delay high solution

The author recently heard that some netizens said that when using Windows 7 to play online games, the network delay is relatively high, that is, the ping is higher than the usual xp, and the reason has been found, it is very distressing. Today, we finally found the reason, turned out to be a service Win7 at play, this service is called: Multimedia Class Scheduler. Official

This service is explained:

The Multimedia Class Scheduler service (MMCSS) enables multimedia applications to ensure that their time-sensitive processing receives prioritized access to CPU resources This service enables multimedia applications. to utilize as much of the CPU as possible without denying CPU resources to lower-priority applications.

MMCSS uses information stored in the registry to identify supported tasks and determine the relative priority of threads performing these tasks. Each thread that is performing work related to a particular task calls the AvSetMmMaxThreadCharacteristics or AvSetMmThreadCharacteristics function to inform MMCSS that it is working on that task.

For an example of a program that uses MMCSS, see Exclusive-Mode Streams

This service makes my PING so high, the problem is found, then how do we solve it? Very simple, just disable it.

Prohibited Method: Start - Run -regedit, expand [HKEY_LOCAL_MACHINE /SYSTEM /CurrentControlSet /Services /Audiosrv] Double click to open the right side of the DependOnService project, the MMCSS delete (do not delete the other), and finally Save and exit.

settings to take effect after the restart the computer, and then shut down and disable the service in Multimedia Class Scheduler, then into the game to see if there improve it. If you encounter a friend with a high network delay, try to follow the above method~!