Robin Gareus http://gareus.org/
0 Pedalboard using it

MIDI Sostenuto

Plugin screenshot

This filter delays note-off messages by a given time, emulating a piano sostenuto pedal. When the pedal is released, note-off messages that are queued will be sent immediately. The delay-time can be changed dynamically, changes do affects note-off messages that are still queued.

Control Default Min Max
Filter Channel 0 0 16
Sostenuto [sec] 0.00 s 0.00 s 600.00 s
Pedal Mode 1 0 2
latency 0 0 192000
http://gareus.org/oss/lv2/midifilter#sostenuto v.1:1033.31-10