Created
March 14, 2014 10:02
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Examples of PM and FM in SuperCollider
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| // From: http://www.mat.ucsb.edu/275/CottleSC3.pdf | |
| {PMOsc.ar(1000, 1367, 12, mul: EnvGen.kr(Env.perc(0, 0.5), Impulse.kr(1)))}.play | |
| ( | |
| { | |
| Mix.ar( | |
| SinOsc.ar(abs((-20..20)*1367 + 1000), | |
| mul: 0.1*EnvGen.kr(Env.perc(0, 0.5), Impulse.kr(1))) | |
| )}. | |
| // 16.7. Carrier and modulator ratio | |
| ( | |
| {var freq, ratio; | |
| freq = LFNoise0.kr(4, 20, 60).round(1).midicps; | |
| ratio = 2/1; | |
| PMOsc.ar( | |
| freq, //carrier | |
| freq*ratio, //modulator | |
| MouseY.kr(0.1, 10), //index | |
| Mul: [0.4, 0.4] | |
| )}.play | |
| ) | |
| // 16.8. Envelope applied to amplitude and modulation index | |
| ( | |
| {var freq, ratio, env, rate = 5, trig; | |
| trig = Impulse.kr(5); | |
| freq = TRand.kr([36, 60], [72, 86], trig).midicps; | |
| ratio = 2; | |
| env = EnvGen.kr(Env.perc(0, 1/rate), gate: trig); | |
| PMOsc.ar( | |
| freq, | |
| freq*ratio, | |
| 3 + env*4, | |
| mul: env | |
| )}.play | |
| ) |
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