70 lines
2 KiB
Racket
70 lines
2 KiB
Racket
|
#lang racket
|
||
|
|
;; status - not working as of 20220820 (loal soundfile)
|
||
|
|
|
||
|
|
(require rsc3)
|
||
|
|
|
||
|
|
;; strtchd-scrmbld (rd)
|
||
|
|
|
||
|
|
(define dust-r
|
||
|
|
(lambda (r lo hi)
|
||
|
|
(let ((d (dseq dinf (dwhite 1 lo hi))))
|
||
|
|
(t-duty r d 0 0 (u:abs (white-noise r)) 1))))
|
||
|
|
|
||
|
|
(define rpr
|
||
|
|
(lambda (n t)
|
||
|
|
(let ((i (in 2 kr n)))
|
||
|
|
(t-rand (mce-channel i 0) (mce-channel i 1) t))))
|
||
|
|
|
||
|
|
(define strtchd
|
||
|
|
(lambda (b z)
|
||
|
|
(let* ((clk (dust-r ar (in 1 kr 0) (in 1 kr 1)))
|
||
|
|
(rat (rpr 2 clk))
|
||
|
|
(dur (rpr 4 clk))
|
||
|
|
(bdr (buf-dur kr b))
|
||
|
|
(hbd (mul bdr 0.5))
|
||
|
|
(pos (add (mul (rpr 8 clk) bdr)
|
||
|
|
(mul-add (lf-saw ar z 0) hbd hbd)))
|
||
|
|
(pan (rpr 10 clk))
|
||
|
|
(amp (rpr 6 clk)))
|
||
|
|
(t-grains 2 clk b rat pos dur pan amp 2))))
|
||
|
|
|
||
|
|
(define scrmbld
|
||
|
|
(lambda (u b t)
|
||
|
|
(let* ((f (fft* b u))
|
||
|
|
(g (pv-bin-scramble f
|
||
|
|
(mouse-x kr 0.5 1.0 0 0.1)
|
||
|
|
(mouse-y kr 0.5 1.0 0 0.1)
|
||
|
|
t)))
|
||
|
|
(ifft* g))))
|
||
|
|
|
||
|
|
(define strtchd-scrmbld
|
||
|
|
(let ((t0 (dust kr 0.01))
|
||
|
|
(t1 (dust kr 0.02))
|
||
|
|
(u (add (strtchd 10 0.015)
|
||
|
|
(strtchd 10 0.0175))))
|
||
|
|
(out 0 (mce2 (scrmbld (mce-channel u 0) 20 t0)
|
||
|
|
(scrmbld (mce-channel u 1) 30 t1)))))
|
||
|
|
|
||
|
|
(define mk-r-set
|
||
|
|
(lambda ()
|
||
|
|
(list (rand-float 0.005 0.001) (rand-float 0.0075 0.0125)
|
||
|
|
(rand-float 0.90 0.975) (rand-float 1.025 1.10)
|
||
|
|
(rand-float 0.005 0.075) (rand-float 0.075 0.125)
|
||
|
|
(rand-float 0.005 0.01) (rand-float 0.15 0.25)
|
||
|
|
(rand-float -0.015 -0.005) (rand-float 0.005 0.015)
|
||
|
|
(rand-float -1 0) (rand-float 0 1.0))))
|
||
|
|
|
||
|
|
(define pattern
|
||
|
|
(lambda (fd)
|
||
|
|
(send fd (c-setn1 0 (mk-r-set)))
|
||
|
|
(thread-sleep (choose (list 0.05 0.15 0.25 0.5 0.75 1.25)))
|
||
|
|
(pattern fd)))
|
||
|
|
|
||
|
|
(with-sc3
|
||
|
|
(lambda (fd)
|
||
|
|
(async fd (b-alloc-read 10 "/home/rohan/data/audio/pf-c5.snd" 0 0))
|
||
|
|
(async fd (b-alloc 20 2048 1))
|
||
|
|
(async fd (b-alloc 30 2048 1))
|
||
|
|
(play fd strtchd-scrmbld)
|
||
|
|
(pattern fd)))
|