windter

README.md

Windter

2011, Till Bovermann

An 8-channel fixed-media piece arranged and composed for the 2011 edition of 4for8, Helsinki.

windter.scd

s.options.numOutputBusChannels = 16;
s.reboot;

(
var amp = 0.1;
var isDolby = true;


isDolby.if({

	SynthDef(\sortChannels, {
		var ins = In.ar(0, 8) ++ Silent.ar(8);
		
		ins =  ins * 0.9;
		ins = ins.tanh;
		
		
		[0, 2, 1, 5, 7, 12, 6, 4, 3, 8, 9, 10, 11, 13, 14, 15].do{|idx, i|
			ReplaceOut.ar(idx, ins[i])
		};
		
	}).add;

}, {
	SynthDef(\sortChannels, {
		Silent.ar(1); // do nothing
	}).add;
})
	

// intro White
SynthDef(\introWhite, {
	var pink, white, whiter, whiter2, crackle, out;
	
	crackle = {LPF.ar(Dust.ar(1000), 50, mul: 20)}!8;
	whiter = {
		HPF.ar(WhiteNoise.ar, XLine.kr(4000, 10000, 10), mul: XLine.kr(0.1, 10, 10))
	}!8;
	
	white = {WhiteNoise.ar}!8;
	pink = {PinkNoise.ar}!8;
	
	out = SelectX.ar(
		EnvGen.ar(Env([0, 3, 3, 0], [0.1, 9.8, 0.1])),
		[crackle, pink, white, whiter]
	).tanh *
	EnvGen.ar(Env([0, 1, 1, 0], [0, 10, 0]), doneAction: 2) * amp;
	Out.ar(0, out)
	
}).add;

// White + shake
SynthDef(\whiteshake, {|lFreq=67|
	var pink, white, whiter, whiter2, crackle, out;
	
	crackle = {Crackle.ar(Line.kr(1, 2.1, 10))}!8;
	whiter = {
		HPF.ar(WhiteNoise.ar, Line.kr(4000, 16000, 10), mul: Line.kr(1, 5, 10))
		+ RLPF.ar(Pulse.ar(Line.ar(1, 0.9, 10) * 25, Rand(0, 1)), 400, mul: 20)
		+ RLPF.ar(Impulse.ar(Line.ar(1, 1.1, 10) * 50, Rand(0, 1)), 200, mul: 20)
		+ RLPF.ar(Impulse.ar(Line.ar(1, 0.8746, 10) * 75, Rand(0, 1)), 100, mul: 20)
	}!8;
	
	whiter2 = {
		//HPF.ar(
		ClipNoise.ar
		//  , Line.kr(4000, 16000, 10)
		//  , mul: Line.kr(1, 100, 10))
	}!8;
	white = {WhiteNoise.ar}!8;
	pink = {PinkNoise.ar}!8;
	
	out = SelectX.ar(
		EnvGen.ar(Env([0, 1, 4, 4, 2, 1, 1, 3], [0.1, 0.1, 3.7, 0.1, 0.1, 2, 1])),
		[crackle, pink, white, whiter2, whiter]
	).tanh *
	RLPF.ar(Pulse.ar(Line.ar(1, rrand(0.9, 1.1), 10) * 100, rrand(0.5, 1.0)), lFreq, rq: 0.01, mul: 20) *
	EnvGen.ar(Env([0, 1, 1, 0], [0, 10, 0]), doneAction: 2) * amp * 0.2;
	
	Out.ar(0, out.tanh)
}).add;

// Impulses
SynthDef(\impulses, {|freq = 5, i = 0, hFreq = 1000|
	var out = SplayAz.ar(
		8,
		({|j| HPF.ar(Impulse.ar(freq, j/20), hFreq)}!20).scramble,
		EnvGen.ar(Env([0, 0, 0.1, 0.2, 0.5], [0.5, 2, 3, 4.5])),
		center: Line.ar(i.sign * 4, 0, 10) + (i/4)
	).postln
	*
	EnvGen.ar(Env([0, 1, 1, 0], [0, 10, 0]), doneAction: 2) * amp * 40;
	Out.ar(0, out)
}).add;

thisThread.randSeed = [5651, 561, 51, 54, 54349857].choose.postln;

// karussel
SynthDef(\karussel, {|scaling = 0|
	var channels = #[0, 1, 2, 3, 4, 5, 6, 7];
	var allEight;
	var out;
	
	allEight = (12.collect{|i|
		var freq = (rrand(10, 40).degreeToKey([0, 3, 6, 9] + scaling) * LFPulse.kr(2).range(2, 1))  .midicps
		*  EnvGen.ar(Env([0.125, 1, 1, 0], [0.5, 8.5, 1]), doneAction: 2)
		* LFNoise1.ar(10).range(0.98, 1.02);
		var a, b;
		var out;
		var trig;
		
		trig = Impulse.ar(1, i/8);
		#a, b = Pan2.ar(
			SinOsc.ar(freq, 0, XLine.kr(10, 1, 10)).tanh * EnvGen.ar(Env.perc(0.001, rrand(0.1, 0.5)), gate: trig),
			EnvGen.ar(Env.perc(0, 1), gate: trig)
		);
		channels = channels.scramble;
		out = 0!8;
		out[channels.first] = a;
		out[channels.last] = b;
	}.sum + (Silent.ar!8))* 0.5;
	out = SplayAz.ar(8, allEight, Line.ar(0, 2, 5), center: Line.kr(16, 0, 10))
	* EnvGen.ar(Env([0, 1, 1, 0], [0, 10, 0]), doneAction: 2)  * amp * 10;
	Out.ar(0, out.postln)
}).add;

thisThread.randSeed = 54349857;

// Roundnround
SynthDef(\roundnround, {|scaling = 0|
	var in, pos, out;
	var freq = (({rrand(5, 20)}!5).degreeToKey([0, 3, 6, 9] + scaling))  .midicps
	* LFNoise1.ar(10).range(0.98, 1.02);
	
	in = SinOsc.ar(freq, Rand(0, pi), mul: Line.kr(10, 1, 5)).tanh;
	pos = {HPF.ar(
		WhiteNoise.ar.lag(
			Line.kr(0.05, 0, 9.5)
	), Line.kr(50, 20000, 9))
	+ rrand(0.0, 2)
	}!5
	+ SinOsc.ar(0.01
		//XLine.kr(0.1, 1, 10).range(0, 2)
	);
	out = PanAz.ar(
		8,
		in,
		pos
	).sum
	* EnvGen.ar(Env([0, 1, 1, 0], [0, 10, 0]), doneAction: 2) * amp * 2;
	Out.ar(0, out)
}).add;

// outro White
SynthDef(\outroWhite, {
	var pink, white, whiter, whiter2, crackle, monowhiter, polywhiter, out;
	
	crackle = {LPF.ar(Dust.ar(1000), 50, mul: 20)}!8;
	whiter = {
		HPF.ar(WhiteNoise.ar, XLine.kr(10000, 4000, 10), mul: XLine.kr(10, 0.5, 10))
	}!8;
	white = {WhiteNoise.ar}!8;
	pink = {PinkNoise.ar}!8;
	polywhiter = {
		HPF.ar(WhiteNoise.ar, 4000, mul: 0.5)
	}!8;
	monowhiter = (
		HPF.ar(WhiteNoise.ar, 4000, mul: 0.5)
	)!8;
	out = SelectX.ar(
		EnvGen.ar(Env([2, 5, 5, 2, 1, 0], [0.1, 9.8, 0.1, 0, 5])),
		[polywhiter, monowhiter, crackle, pink, white, whiter]
	).tanh *
	EnvGen.ar(Env([0, 1, 1, 0], [0, 15, 5]), doneAction: 2) * amp;
	Out.ar(0, out)
}).add;


SynthDef(\sortChannels, {
	var ins = In.ar(0, 8) ++ Silent.ar(8);

	ins =  ins * 0.9;
	ins = ins.tanh;
	
	
	[0, 2, 1, 5, 7, 12, 6, 4, 3, 8, 9, 10, 11, 13, 14, 15].do{|idx, i|
		ReplaceOut.ar(idx, ins[i])
	};
	
}).add;

)



(
{
	var dt, playGroup, sorter;
	
	dt = 4.6;
	playGroup = Group();
	s.sync;
	sorter = Synth.after(playGroup, \sortChannels);
	dt.wait;
	
	Synth.grain(\introWhite, target: playGroup);
	10.wait;
	dt.wait;
	
	Synth.grain(\impulses, [\freq, 12, \i, 0, \hFreq, 5000], target: playGroup);
	12.wait;
	[0, -2, 3, 0].do{|scale|
		[8, 12, 5, 10, 14, 16, 12].do{|freq, i|
			Synth.grain(\impulses, [\freq, freq-scale, \i, i-scale, \hFreq, 5000], target: playGroup);
			1.wait
		};
		11.wait;
	};
	dt.wait;
	
	[50, 67, 60, 50].do{|lfreq|
		Synth.grain(\whiteshake, [\lfreq, lfreq], target: playGroup);
		11.5.wait;
	};
	dt.wait;
	
	[0, -1, 3, 0].do{|scale|
		Synth.grain(\karussel, [\scaling, scale], target: playGroup);
		11.wait;
	};
	dt.wait;
	
	[0, -1, 3, 0].do{|scale|
		Synth.grain(\roundnround, [\scaling, scale], target: playGroup);
		11.5.wait;
	};
	dt.wait;
	
	Synth.grain(\outroWhite, target: playGroup);
	
	20.wait;
	
	sorter.free;
	
	
	
}.fork
)