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

@title{(cps-oct a)}


Convert cycles per second to decimal octaves.


@racketblock[
(audition 
 (let ((f (oct-cps (cps-oct (x-line kr 600 900 6 remove-synth)))))
   (out 0 (mul (saw ar f) 0.2))))
]