Ableton's Bouncy Notes turns a bouncing ball simulation into MIDI notes, and this bit breaks down the four physics parameters that shape how those notes feel. Gravity sets how hard balls hit the piano roll, which directly translates to MIDI velocity, so cranking it up gives you louder, brighter hits on a velocity-sensitive synth while dialing it back softens everything.
Mass changes the size of each ball, and Speed scales the entire simulation up or down, giving you control over the overall pace of the generated pattern. Friction works against Gravity by slowing the ball down on every bounce, so raising it cuts down how many times a note repeats before the ball settles.
Seeing these parameters demonstrated against a real synth patch makes the connection between physical simulation and musical result concrete: a device like this is not just about generating random rhythms, it is a tunable system where each control has a direct, audible effect on velocity, density, and groove.