WIN7 System 5.1 channel how to set?

Many friends do not know Win7 5.1 channel How to set up, today for you to introduce Win7 set 5.1 channel graphics and text detailed, still don't know friends hurriedly come to see it, easy to understand Oh

In the lower right side of the desktop (taskbar to the right) find a horn icon, right-click it, in the pop-up right-click menu to find and open the "Play device" menu;

A "Voice" window pops up, and the Select Device box finds and right-clicks the speakers, selecting and opening the first "Configure Speakers" menu;

Select 5.1 Surround in the Audio channel box on the left side of the new window and click Next.

Uncheck all options in the "Optional Speakers" menu on the left of the new interface to the next step;

On the left side of the new interface, uncheck "Surround Speaker" (also because 2.1 channels do not have this device), into the next step;

Then enter the "Configuration Complete" interface, click to complete the close window can be.

Knowledge extension, about 5.1 channels:

5.1-channel refers to the central channel, front left, right channel, left and right surround channel, and the so-called 0.1-channel heavy bass channel. A total of 6 speakers can be connected to a system. 5.1 channels have been widely used in various types of traditional cinemas and home theater, some of the more well-known sound recording compression format, such as Dolby AC-3 (Dolby Digital), DTS and so on are 5.1 sound systems for the technical blueprint, of which "0.1" channel, is a specially designed subwoofer channel, This channel can produce a 20~120hz of the frequency range.