FadeDown
FadeDown in milliseconds for ducking settings in StartNext-Autoducking.
"FadeDown" is used together with "FadeDownCurveType" to define the form of the fade down part of the ducking curve.
The distance between the start and the end of the fade down is %FadeDown% ms.
"FadeDown" is used for duck targets ducked by duck source audios and by audio segments from the recording.
Possible values: 0...100000
Default value: 1000