Fork Code: Beat slicer

name

code content

(
b = Buffer.read(s, "C:/Documents and Settings/brusli/Desktop/d1.wav");
p = SoundFile.collectIntoBuffers("C:/Documents and Settings/brusli/Desktop/samples/*");
)

(
~bpm = 190;
~n = 8;
~dur = 60 / ~bpm / 2;

SynthDef(\sampler, { arg buff = b, pos, len, g_size, sel_stream,
	st_size = 0.5;
	var slice, rd, out, dry, // slices vars
	rd1, rd2, hann1, hann2, pos1, pos2, gr1, gr2, // t_stretch vars
	st, stut; // stutter
	slice = BufFrames.kr(buff) / ~n;

	// read slices

	rd = Line.ar(pos * slice, (pos * slice) + (slice * len),
		~dur * len, doneAction: 2);
	dry = BufRd.ar(2,buff,rd);

	// time stretch

	rd1 = LFSaw.ar(1000 / g_size, 1, 0.5, 0.5);
	hann1 = (rd1 * pi).sin;
	pos1 = Latch.ar(Line.ar(pos * slice, (pos * slice) + slice,
		~dur * len, doneAction: 2), rd1 > 0.99);
	gr1 = BufRd.ar(2,buff, (rd1 * 44.1 * g_size) + pos1) * hann1;

	rd2 = Wrap.ar(rd1 + 0.5);
	hann2 = (rd2 * pi).sin;
	pos2 = Latch.ar(Line.ar(pos * slice, (pos * slice) + slice,
		~dur * len, doneAction: 2), rd2 > 0.99);
	gr2 = BufRd.ar(2,buff, (rd2 * 44.1 * g_size) + pos2) * hann2;

	// stt

	stut = LFSaw.ar((1000 / (slice / 44.1)) / st_size ,1, 0.5, 0.5);
	st = BufRd.ar(2, buff, (slice * pos) + (stut * slice * st_size)) * 0.75;

	out = Select.ar(sel_stream, [dry, gr1 + gr2, st]);
	Out.ar(2, out);
}).add;

SynthDef(\p_shift, {arg pitch;
	var in, rd1, rd2, hann1, hann2, snd1, snd2;
	in = In.ar(2,2);
	rd1 = LFSaw.ar(pitch, 1, 0.5, 0.5);
	hann1 = (rd1 * pi).sin;
	rd2 = Wrap.ar(rd1 + 0.5);
	hann2 = (rd2 * pi).sin;
	snd1 = AllpassL.ar(in, 1, rd1 * 0.01,0) * hann1;
	snd2 = AllpassL.ar(in, 1, rd2 * 0.01,0) * hann2;
	Out.ar(0, snd1 + snd2);
}).add;
)

(
var len, buff, sel, size, count, st_size, pitch, sh = Synth(\p_shift);
~fX = Task({
	inf.do({
		if(rrand(0,10) > 8,{pitch = [-50,50].choose}, {pitch = 10});
		if(rrand(0,10) < 4, {buff = p[rrand(0,p.size - 1)]},
			{buff = b});
		count = rrand(0,50);
		if(count < 40, {sel = 0},
			if((count > 39) && (count < 45),{size = rrand(20,50); sel = 1},
				if((count > 44) && (count < 51),
					{st_size = [0.5, 0.25, 0.125].choose; sel = 2}
		)));
		~dur.wait;
	});
}).play;

~t = Task({
	inf.do({
		len = rrand(2,3);
		sh.set(\pitch, pitch);
		Synth(\sampler, [\g_size, size, \sel_stream ,sel,
			\buff, buff, \pos, rrand(0,7), \len, len, \st_size, st_size]);
		(~dur * len).wait;
	});
}).play;
)

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