rsc3/doc/examples/graph/_scm/seqr.scm

25 lines
732 B
Scheme

;; seqr (rd)
(import (rnrs) (rsc3) (rhs))
(define nfreq
(lambda (n l r)
(map midi-cps (map floor (replicate-m n (random l r))))))
(define seqr-f
(lambda (f e)
(let ((n (/ (length e) 2)))
(select (mul-add (lf-saw kr f 0) n n) (make-mce e)))))
(define seqr
(let* ((n (i-random 6 18))
(f (/ (i-random 9 18) n)))
(mul (blip ar
(mce2 (seqr-f f (nfreq n 72 96))
(seqr-f f (nfreq n 72 84)))
(mce2 (seqr-f f (replicate-m n (random 1 3)))
(seqr-f f (replicate-m n (random 3 6)))))
(mce2 (seqr-f f (replicate-m n (random 0.05 0.10)))
(seqr-f f (replicate-m n (random 0.05 0.15)))))))
(audition (out 0 seqr))