51 lines
1.5 KiB
Scheme
51 lines
1.5 KiB
Scheme
;; tgr-rpr (rd)
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(import (rnrs) (sosc) (rsc3))
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(define dust-r
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(lambda (r lo hi)
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(let ((d (dseq dinf (dwhite 1 lo hi))))
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(t-duty r d 0 0 (u:abs (white-noise r)) 1))))
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(define rpr
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(lambda (n t)
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(let ((i (in 2 kr n)))
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(t-rand (mce-channel i 0) (mce-channel i 1) t))))
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(define r-set
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(lambda (r)
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(if (> r 0.5)
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(list (random 0.005 0.025) (random 0.05 0.25)
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(random 0.75 0.95) (random 1.05 1.25)
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(random 0.001 0.01) (random 0.02 0.04)
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(random 0.1 0.2) (random 0.2 0.4)
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(random 0.0 0.45) (random 0.55 1.0)
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(random -1 0) (random 0 1.0))
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(list (random 0.005 0.025) (random 0.05 0.25)
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(random -1.25 -1.05) (random -0.95 -0.75)
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(random 0.001 0.01) (random 0.02 0.04)
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(random 0.1 0.2) (random 0.2 0.4)
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(random 0.0 0.45) (random 0.55 1.0)
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(random -1 0) (random 0 1.0)))))
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(define tgr-rpr
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(lambda (b)
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(let* ((clk (dust-r ar (in 1 kr 0) (in 1 kr 1)))
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(rat (rpr 2 clk))
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(dur (rpr 4 clk))
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(pos (mul (rpr 8 clk) (buf-dur kr b)))
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(pan (rpr 10 clk))
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(amp (rpr 6 clk)))
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(t-grains 2 clk b rat pos dur pan amp 2))))
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(define pattern
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(lambda (fd)
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(send fd (c-setn1 0 (r-set (random 0 1))))
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(thread-sleep (choose (list 0.25 0.75 1.5)))
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(pattern fd)))
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(with-sc3
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(lambda (fd)
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(async fd (b-alloc-read 10 "/home/rohan/data/audio/pf-c5.snd" 0 0))
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(play fd (out 0 (tgr-rpr 10)))
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(pattern fd)))
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