17 lines
472 B
Racket
17 lines
472 B
Racket
#lang scribble/manual
|
|
@(require (for-label racket))
|
|
|
|
@title{(n-rand lo hi n)}
|
|
|
|
Generates a single random float value in a sum of `n' uniform
|
|
distributions from `lo' to `hi'.
|
|
|
|
n = 1 : uniform distribution - same as rand
|
|
n = 2 : triangular distribution
|
|
n = 3 : smooth hump
|
|
as n increases, distribution converges towards gaussian
|
|
|
|
(let ((f (mul (n-rand 1200 4000 2) (mce2 2 5)))
|
|
(a (line kr 0.2 0 0.01 remove-synth)))
|
|
(audition (out 0 (mul (f-sin-osc ar f 0) a))))
|
|
|