QQ Voice Each other can't hear my voice problem solution

First, set up the question:

1, we first click on the QQ open panel, and then click inside the "System settings" into the details as follows:

2, in the Open System Setup interface, we click "Audio and Video"

3, then we find "voice settings", as shown in the following figure is set to: Windows Default device

4, if we see their own sound card model, we then click "Realtek Digital Output" of the sound card. This approach has a better effect on users who use an external sound card.

5, click on the lower right corner of the small horn, select the system default device.

Second, interface issues

1, so that we can change the interface or change a device to see