( // synthdef ///////// SynthDef(\fm_grainer, { arg out = 0, modfreq = rrand(10,1000), carfreq = 100, amp=0.5 ; var signal; signal = GrainFM.ar( numChannels:2, trigger: Impulse.kr(LFTri.kr(0.1, -1)+1*10), dur: 0.05, carfreq: carfreq, modfreq: modfreq, // index: LFNoise1.kr.range(1, 90), index: SinOsc.kr(0.05)*0.2,// LFNoise1.kr.range(1, 90), pan: 0, envbufnum: -1 ) * 0.2; signal = signal * EnvGen.kr(Env.linen(1,60,10,0.4,\lin),doneAction:Done.freeSelf) * amp; Out.ar(out, signal); }).add; );