Windows7 automatically adjusts the low volume solution

Today, when listening to music in the Windows7 system, I accidentally found that the volume will always go low for a while. At first I thought that there was a problem with my audio. Later, after many tests, I found that as long as QQ had a message, The sound of the music became lower, and finally found a solution, which is now shared.

In fact, this is a new feature of Windows7. When Windows detects communication activity, it will automatically lower the volume currently playing. The solution is as follows:

1. Open the control panel &rarr Appearance and personalization & rarr; change the sound effect

2. In the open sound window, switch to the "Communication" tab, select "do not perform any operation", the relevant screenshots are as follows shows: