55 lines
1.1 KiB
Plaintext
55 lines
1.1 KiB
Plaintext
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SynthDef(\noiseCrackle, { // play //
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/* A noise generator based on a chaotic function.
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Class Methods
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Crackle.ar(chaosParam: 1.5, mul: 1.0, add: 0.0)
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Crackle.kr(chaosParam: 1.5, mul: 1.0, add: 0.0)
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Arguments:
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chaosParam - A parameter of the chaotic function with useful values
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from just below 1.0 to just above 2.0. Towards 2.0 the sound crackles.
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mul - Output will be multiplied by this value.
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add - This value will be added to the output. *********************/
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// TODO:
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// expand on more arguments?
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arg out = 0, amp = 0.9, gate = 1, lpfa=1, hpfa=1, fadeTime=1;
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var sig, par, lpf, hpf, env;
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par = LFNoise1.kr(0.09).range(1.9,2.02);
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sig = Crackle.ar(par);
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lpf = RLPF.ar(
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in: sig,
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freq: Lag3.kr(LFNoise0.kr(0.08).exprange(50,10000),10),
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rq:0.8,
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mul: lpfa);
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hpf = RHPF.ar(
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in: sig,
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freq: Lag3.kr(LFNoise0.kr(0.065).exprange(50,10000),10),
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rq: 0.8,
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mul: hpfa);
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hpf = DelayN.ar(in:hpf, delaytime:0.11);
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sig = lpf + hpf;
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// a fade-in/out envelope
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env = EnvGen.kr( Env([0, 1, 0], [fadeTime, fadeTime], \sin, 1),
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gate, doneAction: Done.freeSelf);
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sig = sig * env * amp;
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Out.ar(out, sig);
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}).add;
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);
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