57 lines
1 KiB
Text
57 lines
1 KiB
Text
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class:: PV_Diffuser
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summary:: Random phase shifting.
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related:: Classes/FFT, Classes/IFFT, Classes/PV_PhaseShift, Classes/PV_PhaseShift90, Classes/PV_PhaseShift270
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categories:: UGens>FFT
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Description::
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Adds a different constant random phase shift to each bin. When triggered, it selects a new set of random phases.
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classmethods::
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method::new
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argument::buffer
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FFT buffer.
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argument::trig
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A trigger, that selects a new set of random values.
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Examples::
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code::
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(
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// trig with MouseY crossing center of screen
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{
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var in, chain;
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in = Mix.ar(SinOsc.ar(200 * (1..10), 0, Array.fill(10, { rrand(0.1, 0.2) }) ));
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chain = FFT(LocalBuf(2048), in);
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chain = PV_Diffuser(chain, MouseY.kr > 0.5 );
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0.5 * IFFT(chain).dup;
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}.play
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);
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(
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b = Buffer.read(s, Platform.resourceDir +/+ "sounds/a11wlk01.wav");
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// trig with MouseY crossing center of screen
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{
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var in, chain;
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in = PlayBuf.ar(1, b, BufRateScale.kr(b), loop: 1);
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chain = FFT(LocalBuf(2048), in);
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chain = PV_Diffuser(chain, MouseY.kr > 0.5 );
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0.5 * IFFT(chain).dup;
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}.play
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);
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::
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