Win7 video file bilingual parallel problem solving method

The so-called "Bilingual Parallel", in fact, is to play the audio and video files, from the speaker at the same time the win7 system download Chinese and English (or Mandarin and Cantonese). In the past, due to the problem of the method of suppressing the film and television files, the user could not mediate through the system or the playback software itself.
Even after Windows XP, this problem has not been solved with good computer skills. Now, the same problem can be solved well under Windows 7.
On the windows7 Ultimate desktop, right click on the sound icon and select "Playback device" in the pop-up menu.:
In the pop-up "sound" dialog box, select the one you are currently using. Sound device (the device in gray state indicates that it is currently unavailable), then hit the "Properties" button below:
Then, Windows 7 will pop up the corresponding sound device properties dialog box (this article is the headset property), please switch Go to the "Level" tab and click on the "Balance" button:
Then, the system will pop up the "Balance" dialog box, where the user will use the slider to mediate The "mixing" problem in the audio and video files.
After the modification is completed, in the process of closing each dialog box, you need to click the "OK" or "Apply" button to save the settings and exit.