Let the Windows 7 system manage the program's sound effects for you:
In the lower right corner of the Windows 7 desktop to find the control of the sound of the small horn icon, the right mouse click on the icon, volume synthesizer, here, Windows7 will be all the current sound output of the application all assembled here, can be targeted mute or volume size adjustment. If you prefer to listen to music, it will be browser and QQ programs are set to mute state, indulge in your music world, do not worry about a sudden pop-up from the Web page ads or messages to disturb your mood.
The individual is very fond of this small feature of Windows 7 computers, which is no longer as it used to be, or the entire system is mute, or it can sound at will. The Windows 7 system allows each program to control whether a sound is allowed to be made according to the user's will, without affecting the normal use of other programs. This is also a Windows 7 PC personalized Settings Bar!