rsc3/doc/examples/ugen/triggers/schmidt.help.scm

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Scheme

;; (schmidt in lo hi)
;; schmidt trigger. When in crosses to greater than hi, output 1.0,
;; then when signal crosses lower than lo output 0.0. output is
;; initially zero.
;; in - signal to be tested
;; lo - low threshold
;; hi - high threshold
(let* ((in (lf-noise1 kr 3))
(octave (add (schmidt in -0.15 0.15) 1))
(f (add (mul in 200) (mul 500 octave))))
(audition (out 0 (mul (sin-osc ar f 0) 0.1))))