FadeDownBefore
FadeDownBefore in milliseconds for ducking settings in
AdvancedVoiceTracking Mode.
"FadeDownBefore" defines the alignment between the fade down curve and the duck position.
If %FadeDownBefore% is 0 ms, the fade down starts at the duck position.
If %FadeDownBefore" is 500 ms, the fade down starts 500 ms before the duck position.
Possible values: 0...100000
Default value: 500