#lang scribble/manual @(require (for-label racket)) @title{(t-rand lo hi trig)} Generates a random float value in uniform distribution from lo each time the trig signal changes from nonpositive to positive values @racketblock[ (let* ((t (dust kr (mce2 5 12))) (f (t-rand (mce2 200 1600) (mce2 500 3000) t))) (audition (out 0 (mul (sin-osc ar f 0) 0.2)))) ]