29 lines
619 B
Racket
29 lines
619 B
Racket
#lang scribble/manual
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@(require (for-label racket))
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@title{(pv-diffuser buffer trig)}
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adds a different constant random phase shift to each bin.
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The trigger will select a new set of random phases.
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buffer - fft buffer.
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trig - a trigger selects a new set of random values.
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@racketblock[
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(with-sc3
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(lambda (fd)
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(async fd (b-alloc 10 2048 1))
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(async fd (b-alloc-read 12 "/home/rohan/audio/metal.wav" 0 0))))
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]
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@racketblock[
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(let* ((a (play-buf 1 12 (buf-rate-scale kr 12) 0 0 1))
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(f (fft* 10 a))
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(h (pv-diffuser f (gt (mouse-x kr 0 1 0 0.1) 0.5))))
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(audition (out 0 (mul (ifft* h) 0.5))))
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]
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