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Our VirtualAudioStreaming adds a virtual stereo mix on your computer. It wraps your real sound card. In short, after installing our VAS, you can select VAS 'rec.play' pin where you need to record stereo mix.
You may follow the below steps:
1) Set VirtualAudioStreaming as system default playback device.
2) Keep VirtualAudioStreaming running in system background.
3) Select Rec.Playback (VirtualAudioStreaming) as the input microphone in camtasia or any other sound recording program.
4) As to icon, you can see a VAS icon in systray. Right click it you will see menus and options.
Also see our support page for further reading:http://www.virtualaudiostreaming.net/support.html