How to open the four channels of win7 computer?

            It may be said that four channels, many of my friends feel that this concept is somewhat strange, but if we change the way, then everyone will be familiar with a lot. In fact, when we watch a movie in a movie theater, we enjoy the four-channel treatment. In fact, if you want to feel this super-stimulus sound, you don’t have to spend money to go to the cinema. If your computer configuration is strong enough, the sound is good. If the effect is good enough, you can feel the same four channels at home with the settings below. Below, let Xiaobian introduce, how to set up four channels for win7 Ultimate!
1. Find the speaker icon representing the volume in the lower right corner of the computer, then right click and select the playback device in the menu that appears.
2. Next, the sound setting page will pop up. The open interface should be the default playing column. Let's select the speaker directly in the box below, then click the configuration button in the lower left corner.
3. In the pop-up speaker installation program interface, there will be a circular arc pattern on the right side, which shows the left front and the right front respectively. Let's debug the two separately, and then according to their own needs, after testing You can go to the next step, after which there is no special settings, you can click the next step until you exit the window.