
Auto Adjust Audio Level
If the audio levels are too high when recording, the quality of your processed presentation is poor. Presentations recorded with poor audio also have a low level of accuracy in captions and full audio search (when transcription is provided by the profile).
By default, Camtasia Relay automatically adjusts the input level of the selected audio device to provide the best possible audio for your presentation. As the volume of the audio changes, the slider moves automatically to adjust the level of the recorded audio.
There are some cases when you may want to disable the auto adjust option:

You use a sound mixer to combine and control the levels of multiple devices into a single audio input.

You want more manual control of your audio input levels.
To disable the auto adjust feature, click the Auto Adjust button.