28 lines
815 B
Scheme
28 lines
815 B
Scheme
;; deep sea (jrhb)
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(import (rnrs) (rsc3))
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(define range
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(lambda (s l r)
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(let ((m (mul (sub r l) 0.5)))
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(mul-add s m (add m l)))))
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(define deep-sea
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(let* ((amp 1)
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(pan 0)
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(variation 0.9)
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(n (rand 7 46))
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(dt1 (add 25 (rand -1.7 1.7)))
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(dt2 (mul3 (add dt1 (lf-noise2 kr 2)) variation 0.001))
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(freq (add 901 (rand 0 65)))
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(t (mul (impulse ar (recip dt2) 0) 100))
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(count (pulse-count t 0))
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(ml (lt count n))
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(u1 (mul (bpf (mul ml t) freq 1) 0.1))
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(freq2 (mul freq
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(add (u:mod count (range (lf-noise1 kr 1) 2 20)) 1)))
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(u2 (mul (bpf u1 freq2 1) 0.2)))
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(mrg2 (pan2 u2 pan (mul amp 10))
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(detect-silence u2 0.0001 0.2 remove-synth))))
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(audition (out 0 deep-sea))
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