
Select Audio Device
Camtasia Relay records audio from a single audio source. This includes audio devices such as:

Built-in microphones

Standard microphones

USB microphones

Webcams

Device line in connected to a sound mixer
You cannot change the audio device selection once a recording is started.
To Select an Audio Device

Connect your audio device to the computer before launching Camtasia Relay.

Click the Audio Device button.
The Select Audio Device dialog opens. The Select Audio Device dialog shows the levels of all audio devices connected to the computer.

Click your audio device to select it.

Click OK to close the dialog.
To Record System Audio

To record the audio that plays on your system (the audio that you hear played back by your computer), click the Audio Device button.
The Select Audio Device dialog opens.

Enable the Record System Audio checkbox. (This option is enabled by default.)