37 lines
600 B
Racket
37 lines
600 B
Racket
#lang scribble/manual
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@(require (for-label racket))
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@title{(pulse rate freq width)}
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Bandlimited pulse wave generator.
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Modulate frequency
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@racketblock[
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(audition
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(let ((f (x-line kr 40 4000 6 remove-synth)))
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(out 0 (mul (pulse ar f 0.1) 0.2))))
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]
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modulate pulse width
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@racketblock[
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(audition
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(let ((w (line kr 0.01 0.99 8 remove-synth)))
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(out 0 (mul (pulse ar 200 w) 0.2))))
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]
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two band limited square waves thru a resonant low pass filter
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@racketblock[
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(audition
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(out 0 (rlpf (mul (pulse ar (mce2 100 250) 0.5) 0.1)
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(x-line kr 8000 400 5 remove-synth)
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0.05)))
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]
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