rsc3/doc/examples/graph/rzblp.rkt

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2022-08-24 13:53:18 +00:00
#lang racket
;; status - working as of 20220820
(require rsc3)
;; rzblp (rd)
(define wrp
(lambda (i l r)
(let ((m (fdiv (sub r l) 2)))
(mul-add i m (add l m)))))
(define lfn
(lambda (f l r)
(wrp (lf-noise0 kr f) l r)))
(define hpb
(lambda (q)
(mix-fill
2
(lambda (_)
(let ((f (lfn q 1330 1395))
(a (lfn q 0.001 0.007)))
(mul (blip ar f 24) a))))))
(define f
(lambda (u)
(let* ((q (lfn 5.2 5.2 5.21))
(a (u dinf (mce5 1 3 2 7 8)))
(trig (impulse kr q 0))
(freq (mul-add (demand trig 0 a) 30 340)))
(foldl1 add
(list (mul (blip ar freq 3)
(lfn q 0.001 0.01))
(mul (resonz (impulse ar q (mce2 0 0))
(lfn 5 30 640)
(lfn q 0.1 0.5))
(lfn q 0.01 1.8))
(mul (hpb q)
(lfn q 1.2 1.8))
(mul (blip ar (lfn q 16 36) 3)
(mce2 0.03 0.09)))))))
(define rzblp (add (f drand) (f dxrand)))
(audition (out 0 rzblp))