ConstReadonlyconcave: 1Logarithmic ramp. Using this ramp with decibels results in exactly squared volume increase in linear gain.
Readonlyconvex: 2Inverse of concave.
Readonlylinear: 0Linear ramp.
Readonlyswitch: 3First half is 0, second half is 1.
All SF2 Modulator curve types.