48 lines
1.2 KiB
Racket
48 lines
1.2 KiB
Racket
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#lang racket
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;; status - working as of 20220820
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(require rsc3)
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;; shifting pulses (rd)
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(define wrp
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(lambda (i l r)
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(lin-lin i -1 1 l r)))
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(define prt
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(lambda (f a)
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(let ((f* (mul f (mul (wrp (sin-osc kr (rand 0.2 0.9) 0) 1 1.01)
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(rand 0.95 1.05)))))
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(mul (sin-osc ar (mce2 f f*) 0)
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(mul a (clone 2 (rand 0.95 1.05)))))))
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;; (audition (out 0 (prts 2 900 0.002)))
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;; (audition (out 0 (prts 9 40 0.006)))
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(define prts
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(lambda (n f a)
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(mix
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(make-mce
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(map
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(lambda (f)
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(prt f a))
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(enum-from-then-to f (+ f f) (* n f)))))))
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(define shifting-pulses
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(let* ((n1 (clone 2 (brown-noise kr)))
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(n2 (clone 2 (brown-noise kr)))
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(n3 (clone 2 (brown-noise kr)))
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(t (dust kr 0.75))
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(l (latch t t))
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(p (mul (pulse ar (wrp n1 2 (mce2 11 15)) 0.01) 0.1))
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(f (wrp n2 300 1800))
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(rq (wrp n3 0.01 2)))
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(mrg2
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(add4
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(prts 2 900 0.002)
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(prts 9 40 0.006)
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(mul (formant ar (mce2 20 21) (wrp (lf-noise2 kr 2) 10 100) 200) 0.35)
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(mul l (rlpf p f rq)))
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(send-trig t 0 t))))
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(audition (out 0 shifting-pulses))
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