Guitarix team
18 Pedalboards using it

Gxduck_delay

Plugin screenshot

The delayed signal added to output dependent of input signal amplitude. If the input signal is high. The delayed signall turned off, and vise versa. The switching controlled by envelope follower *Unofficial documentation

Control Default Min Max
AMOUNT 0.50 0.00 56.00
ATTACK 0.10 0.05 0.50
FEEDBACK 0.00 0.00 1.00
RELESE 0.10 0.05 2.00
TIME 500.00 ms 1.00 ms 2000.00 ms
http://guitarix.sourceforge.net/plugins/gx_duck_delay_#_duck_delay_ v.1:28.3-24