Install fluidsynth-dssi by entering the following commands in the terminal:
sudo apt update sudo apt install fluidsynth-dssi
Description:
DSSI wrapper for the FluidSynth SoundFont-playing synthesizer
The FluidSynth-DSSI package contains FluidSynth-DSSI, a wrapper for the FluidSynth SoundFont-playing software synthesizer, allowing it to function as a DSSI plugin. . DSSI is an API for audio processing plugins, particularly useful for software synthesis plugins with user interfaces.
Homepage: http://dssi.sourceforge.net/
Version: 1.0.0-6ubuntu2
Section: universe/sound