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Win7 how to switch dual sound card

Many friends' WIN7computer
is a dual sound card, but do not know how to switch. Now let me tell you!
Switching method:
1. If it is a Bluetooth audio rendering sound card, then first link the Bluetooth headset (or speaker), the system will automatically download the corresponding Bluetooth audio rendering driver, this time The corresponding Bluetooth driver can be seen in the device;

2, then right click on the volume icon in the lower right corner of the taskbar, select the open volume control option, and you will find “Bluetooth audio” in the sound device. Render the program ”, then check the Bluetooth audio rendering program and speakers;

3, then you can set the default playback device on the sound settings page, if you just link the Bluetooth headset, Bluetooth will become the default device, so The Bluetooth headset is connected to the rear speaker and there is no sound and it automatically goes to the Bluetooth headset. Here we can set the default device as the speaker, right-click and select to default, and all the sound will return to the speaker.

4, then open the video player software, here must choose some broadcaster software that can set the audio output, there are a lot of software can not set the audio output device, video personally like to use KMplayer, audio with foobar2000.

Taking KMPlayer as an example (other methods for setting audio output are similar), first open the player, right click and select "Audio-" Audio Renderer - "Bluetooth Audio Rendering Program";

5. After setting up, the sound of the KMPlayer player is output to the Bluetooth headset, and the sounds of games, music, etc. on the computer are left on the speaker. Is it amazing?
The above is the method of switching dual sound card in Win7 system. If you don't know how to switch WI to your 7 dual sound card, follow these steps to switch.

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