How to set up WIN7 video files

First of all, I teach you how to set up audio and video files faster and better, then the so-called bilingual parallel, is to play audio and video files, then we only need to send Chinese and English Mandarin from the speaker. So long you can be in the Windows 98 era, but you can't ignore the problem of the suppression method of the movie files, then everyone can't mediate through the system or the playback software itself. Then, even if it is later Windows XP, all the problems are still not solved well. The same problem we have now can be solved well under Windows 7. Users all of us can right click on the sound icon on the Windows 7 system desktop to select the playback device in the pop-up menu