Record system audio
To record system audio, you must install Soundflower version 1.4.3 or later. Soundflower is an audio device that allows audio to be passed between applications.
Record system audio
Open Camtasia.
Click to enable the System Audio button. If you have not previously installed SoundFlower, Camtasia prompts you to install the device. Note: You can only lower the volume of the system audio while recording. Make sure to adjust the volume level prior to recording.
