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

@title{(Rlpf in freq rq)}


A resonant low pass filter.


@racketblock[
(let* ((f1 (x-line kr 0.7 300 20 remove-synth))
       (f2 (mul-add (f-sin-osc kr f1 0) 3600 4000)))
  (audition 
   (out 0 (rlpf (mul (saw ar 200) 0.1) f2 0.2))))
]


