rsc3/doc/examples/ugen/demand/dswitch.help.scm

32 lines
987 B
Scheme

;; (dswitch index array)
;; demand rate generator for switching between inputs
;; index - which of the inputs to return
;; array - array of values or other ugens
;; In difference to dswitch1, dswitch embeds all items
;; of an input demand ugen first before looking up the
;; next index.
(let* ((a0 (dwhite 2 3 4))
(a1 (dwhite 2 0 1))
(a2 (dseq 2 (make-mce (list 1 1 1 0))))
(i (dseq 2 (make-mce (list 0 1 2 1 0))))
(d (dswitch i (make-mce (list a0 a1 a2))))
(t (impulse kr 4 0))
(f (mul-add (demand t 0 d) 300 400))
(o (mul (sin-osc ar f 0) 0.1)))
(audition (out 0 o)))
;; compare with dswitch1
(let* ((a0 (dwhite 2 3 4))
(a1 (dwhite 2 0 1))
(a2 (dseq 2 (make-mce (list 1 1 1 0))))
(i (dseq 2 (make-mce (list 0 1 2 1 0))))
(d (dswitch1 i (make-mce (list a0 a1 a2))))
(t (impulse kr 4 0))
(f (mul-add (demand t 0 d) 300 400))
(o (mul (sin-osc ar f 0) 0.1)))
(audition (out 0 o)))