A way to make the two programs in the Win7 computer simultaneously audible

1. First of all, in their own Win7 computer in the lower right corner of the notification area to find the Horn icon and right click, in the advent of the Slide menu we choose playback equipment.

2. In the Open Sound window, locate the speaker option, then right-click and select Properties.

3. You can then see the window shown in the following figure, switch the interface to the Advanced column, and then remove the "Allow Application Exclusive control devices" option in the exclusive mode below, and then click OK to save the settings.