rsc3/doc/help/ugen/noise/rand-seed.help.scrbl

#lang scribble/manual
@(require (for-label racket))

@title{(rand-seed rate trig seed)}

 
When the trigger signal changes from nonpositive to positve, the
synth's random generator seed is reset to the given value. All
other synths that use the same random number generator reproduce
the same sequence of numbers again.  

See also: randID.
 
Start a noise patch 


@racketblock[
(let ((n (add (mul (white-noise ar) (mce2 0.05 0.05)) (dust2 ar (mce2 70 70))))
      (f (mul-add (lf-noise1 kr 3) 5500 6000)))
  (audition (out 0 (add (resonz (mul n 5) f 0.5) (mul n 0.5)))))
]

Reset the seed at a variable rate.


@racketblock[
(audition (mrg2 (rand-seed kr (impulse kr (mouse-x kr 0.1 100 0 0.1) 0) 1956)
		0))
]