RF-SoundFont size 10 MB RF-SoundFont is a SoundFont player (SF2). Amplitude ADSR Envelope. Filter (Low Pass with Cutoff and Resonance). Reverb. Delay. Chorus. Glide (Portamento). Vibrato. Stereo Separation. Main Panning and Volume. Mono Mode and Mono Retrigger. Octave, Semitone and Pitch Bend ...