Frequency of the note in Hz.
note-on occurs when gate goes from non-positive to positive; note-off occurs when it goes from positive to non-positive. Most of the other controls are only updated when a new note-on occurs.
velocity (range is 0 to 127)
The time for notes to decay after the initial strike.
The time for notes to decay after the key is released.
adjusts sample key-ranges up or down to change the "size" and brightness of the piano.
gentle low pass filter.
Width of the stereo effect (which makes low notes sound towards the left, high notes towards the right). 0 to 1.
Overall tuning.
Randomness in note tuning.
Stretches the tuning out (higher notes pushed higher).
if positive, act as if the piano's sustain pedal is pressed.
A piano synthesiser UGen. It is not polyphonic, but it can be retriggered to play notes in sequence.
The original VST plugin by Paul Kellett was ported to SuperCollider by Dan Stowell. Most likely the arguments are in the normalized range 0 to 1.
This is a third-party UGen (MdaUGens).