Ducking Feature using Audio Description

Here is a setup of the Audiodescription plugin using the built-in ducking feature. With ducking enabled, the original volume automatically lowers if there's dialog in the audiodescription. The audiodescription on/off toggle is displayed in the controlbar:

Note the additional debug option is set to visualize the ducking process. The green line is the waveform of the audiodescription, the red line is the volume of the original audio.