How to operate the free switching function of dual sound card in Win7 system

Maybe the guys still stay in the sound of the state, for the card configuration requirements are not high. But for some highly configured computer users, it is too wasteful to improve the use of the sound card. To improve the configuration is to achieve a more satisfactory results. So in the use of the dual sound card, how do we set the switch? In order to allow you to better experience the sound effect, small set here to share in the Win7 system to operate the dual-sound card free switching function of the content, the specific steps are as follows:

1, if your sound card is a Bluetooth audio rendering, first to link on the Bluetooth headset or speakers are all right, the system will prompt you to automatically download Bluetooth audio rendering drive, so you can open the corresponding drive.

2, open the upper window, right-click the volume icon, select Open Volume control, find the "Bluetooth Audio rendering program" Under the sound device, and check the audio rendering program and speakers.

3, in the Sound Settings page can set the default playback settings, if just a link to Bluetooth, then Bluetooth set to default. But after the Bluetooth headset is linked, the speakers are not sound and are not compatible. By the same token, the speaker is set to default, and the sound can come out from the speaker.

4, the same Win7 flagship version can be done. Here's an example: Take KMPlayer as an example (other methods that can set audio output are similar), open the player, and right-click the audio-> Audio renderer-> bluetooth audio renderer.

5, set up, the sound of the KMPlayer player output to the Bluetooth headset, and computer games, music and other sound on the speaker.