The method of switching dual sound card in Windows7 system

1, if the Bluetooth audio rendering when the sound card, then first link bluetooth headset (or speaker), the system will automatically download the corresponding Bluetooth audio rendering driver, this time the device can see the corresponding Bluetooth driver;

2, after the mouse right click on the taskbar in the lower right corner of the volume icon, select Open Volume control options, will be found in the sound device "Bluetooth Audio renderer program", and then check the Bluetooth audio renderer program and speakers;

3, and then in the Sound Settings page can set the default playback device, if you just link the Bluetooth headset, Bluetooth will become the default device, so the Bluetooth headset link on the back of the speaker is not sound and automatically go to the Bluetooth headset, where we can set the default device as the speaker, right click Select Set to Default, Then all the voices will come back to the speakers.

4, and then open the video playback software, here must be selected to set up audio output of the broadcast software, there are many software is unable to set the audio output device, video personal like to use KMPlayer, audio with foobar2000.

Take KMPlayer as an example (other way to set audio output is similar), first open the player, right-click the "Audio-> audio renderer-> Bluetooth audio rendering program";

5, set up, KMPlayer player's voice output to the Bluetooth headset, and computer games, music and other sound on the speaker, is not very magical.