rsc3/doc/help/ugen/demand/dgeom.help.scm

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;; (dgeom length start grow)
;; demand rate geometric series ugen.
;; start - start value
;; grow - value by which to grow ( x = x[-1] * grow )
;; length - number of values to create
;; The arguments can be a number or any other ugen
(let* ((a (dgeom 15 1 1.2))
(t (impulse kr (mouse-x kr 1 40 1 0.1) 0))
(f (mul-add (demand t 0 a) 30 340)))
(audition (out 0 (mul (sin-osc ar f 0) 0.1))))
;; demand rate UGens are not shared...
(let* ((a (dgeom 15 1 1.2))
(t (impulse ar (mouse-x kr 1 40 1 0.1) 0))
(f0 (mul-add (demand (delay1 t) 0 a) 30 340))
(f1 (mul-add (demand t 0 a) 30 340)))
(audition (out 0 (mul (sin-osc ar (mce2 f0 f1) 0) 0.1))))
(let* ((a0 (dgeom 15 1 1.2))
(a1 (dgeom 15 1 1.2))
(t (impulse ar (mouse-x kr 1 40 1 0.1) 0))
(f0 (mul-add (demand (delay1 t) 0 a0) 30 340))
(f1 (mul-add (demand t 0 a1) 30 340)))
(audition (out 0 (mul (sin-osc ar (mce2 f0 f1) 0) 0.1))))