38 lines
699 B
Racket
38 lines
699 B
Racket
#lang scribble/manual
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@(require (for-label racket))
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@title{(k2a in)}
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Control rate to audio rate converter.
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To be able to play a control rate UGen into an audio rate UGen,
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sometimes the rate must be converted. k2a converts via linear
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interpolation.
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in - input signal
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@racketblock[
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(audition
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(out 0 (k2a (mul (white-noise kr) 0.3))))
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]
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@racketblock[
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(audition
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(out 0 (mce2 (k2a (mul (white-noise kr) 0.3))
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(mul (white-noise ar) 0.3))))
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]
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@racketblock[
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(let* ((block-size 64) ;; no ugen for this?
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(freq (mul (fdiv (mouse-x kr 0.1 40 1 0.1) block-size) sample-rate)))
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(audition
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(out 0 (mul (mce2 (k2a (lf-noise0 kr freq))
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(lf-noise0 ar freq))
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0.3))))
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]
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