«Randomized FM7 perc sounds» by david_morgan

on 09 Dec'17 08:53 in fmfrequency modulation

Requires:

SuperCollider v3.8.0+

FM7 (sc3 plugins)

Feedback Quark

log fork json 
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/**
Requires:

SuperCollider v3.8.0+

FM7 (sc3 plugins)

Feedback Quark

To run evaluate each of the numbered blocks
**/

////////////////////
// 1
TempoClock.default.tempo_(60/60);

////////////////////
// 2
(
~env = {arg min = 1, max = 1, trig, dur;

	var shape = Env.shapeNames.choose;
	var num = rrand(4,16);
	var levels = (0..rrand(3,8)).collect({1.0.rand;});
	var durs = (0..levels.size-1).collect({1.0.rand}).normalizeSum;
	var env = Env(levels,durs,shape);
	EnvGen.kr(env, gate:trig, timeScale:dur).range(min, max);
};

~ctrls = {arg freq, trig, dur;

	var ctrls = (0..5).collect({arg val;
		var min = rrand(0.25, 1.0);
		var max = rrand(1.0, 3.0);
		var fmul = ~env.(min, max, trig, dur);
		[freq * fmul, 0, 1];
	});
	ctrls;
};

~algos = [

	[0,2] -> [
		[0,1],
		[2,3],
		[3,4],
		[4,5],
		[5,5]
	],

	[0,2] -> [
		[0,1],
		[1,1],
		[2,3],
		[3,4],
		[4,5]
	],

	[0,3] -> [
		[0,1],
		[1,2],
		[3,4],
		[4,5],
		[5,5]
	],

	[0,3] -> [
		[0, 1],
		[1, 2],
		[3, 4],
		[4, 5],
		[5, 3]
	],

	[0,2] -> [
		[0,1],
		[2,3],
		[3,4],
		[3,5],
		[4,5]
	],

	[0,1,2,3,4,5] -> [
		[5,5]
	]
];

~mods = {arg trig, dur;

	var algo = ~algos.choose;
	var matrix = Array.fill2D(6, 6, 0);
	var vals = algo.value;
	vals.do {arg x;
		matrix[x[0]][x[1]] = ~env.(1.0.rand, 1.0.rand, trig, dur)
	};
	[matrix, algo.key];
};

~synth = {

	var freq, sig;

	thisThread.randSeed_(100000.rand.debug("seed"));

	freq = \freq.kr(432);

	sig = {

		var dur = \dur.kr(1);

		var trig = \trig.tr(0);

		var ctrls = ~ctrls.(freq, trig, dur);

		var mods = ~mods.(trig, dur);

		var sig = FM7.ar(ctrls, mods[0]).slice(mods[1]);

		var env = Env.linen(\atk.kr(0.01), \sus.kr(0), \rel.kr(1), curve:\curve.kr(-4)).kr(gate:trig);

		sig = Splay.ar(sig) * env;

		sig;
	};

	Splay.ar(sig.()) * \amp.kr(0.1) * AmpCompA.kr(freq);
};
)


////////////////////
// 3
(
~fm11 = NodeProxy.audio;
~fm11.quant = 1.0;
~fm11[0] = ~synth;
)

////////////////////
// 4
(~fm11[8] = \set -> Pbind(

	\trig, 1,
	\delta, Pwrand([Rest(0.5), 0.5], [0.2, 0.8], inf),
	\beatDur, Pfunc({thisThread.clock.beatDur}),
	\dur, Pkey(\beatDur) * Pkey(\delta) * 1,

	\sus, Pkey(\dur) * 0.05,
	\rel, Pkey(\dur) * Pwhite(0.01, 0.3),
	\curve, -4,

	\degree, Pwhite(0,5,inf),
	\octave, Pwrand([4,5,6], [0.3,0.6,0.01].normalizeSum, inf),
	\scale, Scale.hexSus
))

////////////////////
// 5
(
Tdef(\main, {

	~fm11.play;

	~fm11[16] = \filter -> {arg in;
		var sig = FbC({arg fb; fb * 0.4 + in;}, 1.5/4);
		var sig2 = FbC({arg fb; fb * 0.5 + in;}, 4.5/4);
		sig + sig2;
	};

	~fm11[18] = \filter -> {arg in; GVerb.ar(in, 150, revtime:5, taillevel:0.7); };

	~fm11.set(\wet16, 0.5, \wet18, 0.2);

	loop({
		"update".postln;
		~fm11[0] = ~synth;
		16.wait;
	});

}).play
)
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reception
comments
Exiik ↪ user 27 Dec'17 23:24

:O