15 lines
424 B
Scheme
15 lines
424 B
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))))
|