multigrain/grains.scd

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// Execute this before booting the server
(
Server.default.options.inDevice_("Scarlett 2i2 USB");
Server.default.options.outDevice_("Scarlett 2i2 USB");
)
Server.killAll;
~frippbuffer.write("/Users/mike/Music/SuperCollider Recordings/slow.aiff");
(
~to = TouchOSC("192.168.0.209", 9000);
~usbinput = 2;
~usbinput1 = 2;
~usbinput2 = 3;
~buflen = 4.0;
~beatsperbar = 4;
// trying setting the playback LFOs before the controls
// granulator playback modes
// each of these is a control bus with a synth that drives the pattern
// the granulator mode control switches between them
// more ideas for modules: scramble - do a permutation of ABCDEFGH slots
// todo - encapsulate these in a class
~grainsinb = Bus.control(s, 1);
~grainsin = SynthDef(
\grainsin,
{
arg out=5, speed=1;
Out.kr(out, 0.5 + SinOsc.kr(speed * 0.5, 0, 0.5));
}
).play(s, [\out, ~grainsinb, \speed, 1]);
~grainsawb = Bus.control(s, 1);
~grainsaw = SynthDef(
\grainsaw,
{
arg out=5, speed=1;
Out.kr(out, 0.5 + LFSaw.kr(speed, 0, 0.5));
}
).play(s, [\out, ~grainsawb, \speed, 1]);
~grainreverseb = Bus.control(s, 1);
~grainreverse = SynthDef(
\grainreverse,
{
arg out=5, speed=1;
Out.kr(out, 0.5 - LFSaw.kr(speed, 0, 0.5));
}
).play(s, [\out, ~grainreverseb, \speed, 1]);
~graintrib = Bus.control(s, 1);
~graintri = SynthDef(
\graintri,
{
arg out=5, speed=1;
Out.kr(out, 0.5 + LFTri.kr(speed, 0, 0.5));
}
).play(s, [\out, ~graintrib, \speed, 1]);
~grainstepb = Bus.control(s, 1);
~grainstep = SynthDef(
\grainstep,
{
arg out=5, speed=1, steps=8;
var stepwise = LFSaw.kr(speed, 0.0, 0.5 * steps, 0.5 * steps).floor;
Out.kr(out, stepwise / steps);
}
).play(s, [\out, ~grainstepb, \speed, 1]);
~grainrandb = Bus.control(s, 1);
~grainrand = SynthDef(
\grainrand,
{
arg out=5, speed=1;
Out.kr(out, 0.5 + WhiteNoise.kr(0.5));
}
).play(s, [\out, ~grainrandb, \speed, 1]);
~modes = [
[ ~grainsaw, ~grainsawb, "saw" ],
[ ~grainreverse, ~grainreverseb, "reverse", ],
[ ~grainsin, ~grainsinb, "sine" ],
[ ~grainstep, ~grainstepb, "step" ],
[ ~grainrand, ~grainrandb, "random" ]
];
~playbacklfo = ~modes[0][0];
~playbacklfob = ~modes[0][1];
// audio buses
// recordb = input to bufrecorder
~recordb = Bus.audio(s, 1);
// ~infilter = SynthDef(
// \input_null,
// {
// arg in = 2, out = 4;
// Out.ar(out, In.ar(in));
// }
// ).play(s, [\in, ~usbinput, \out, ~recordb]);
~inmixer = SynthDef(
\input_null,
{
arg in1 = 2, in2 = 3, out = 4;
Out.ar(out, In.ar(in1) + In.ar(in2));
}
).play(s, [\in1, ~usbinput1, \in2, ~usbinput2, \out, ~recordb]);
~granulatorb = Bus.audio(s, 2);
// LFO buses and synths
~lfoab = Bus.control(s, 1);
~lfobb = Bus.control(s, 1);
~lfocb = Bus.control(s, 1);
fork {
SynthDef(
\lfo,
{
arg out=5, freq=1, amp=0;
Out.kr(out, SinOsc.kr(freq, 0, amp));
}
).add;
1.wait;
~lfoa = Synth(\lfo, [\out, ~lfoab ]);
~lfob = Synth(\lfo, [\out, ~lfobb ]);
~lfoc = Synth(\lfo, [\out, ~lfocb ]);
"LFOs initialised".postln;
};
// a kr synth which triggers grains
~triggerb = Bus.control(s, 1);
~trigger = SynthDef(
\trigger,
{
arg out, freq=1, dust=0;
Out.kr(out, (Impulse.kr(freq) * (1 - dust)) + (Dust.kr(freq) * dust));
}
).play(s, [ \out, ~triggerb, \freq, 120, \dust, 0 ]);
// a kr synth which is used to control the granulator
// playback rate.
~pitchb = Bus.control(s, 1);
~pitch = SynthDef(
\pitch,
{
arg out, posb, triggerb, track=1, dir=1, detune=0.0, chorus=0, harmonics=2, pitch=0, quant=1;
var tracking, base, chor, det, csig, dsig;
csig = Latch.kr(WhiteNoise.kr(), In.kr(triggerb));
dsig = Latch.kr(WhiteNoise.kr(), In.kr(triggerb));
tracking = Schmidt.kr(Slope.kr(posb), 0, 0) * 2 - 1;
base = 2.pow(pitch) * dir * (track * tracking + (1 - track));
det = detune * dsig + 1;
chor = chorus * harmonics.pow((csig * 2).round) + (1 - chorus);
Out.kr(out, base * chor * det);
}
).play(s, [ \out, ~pitchb, \triggerb, ~triggerb, \posb, ~playbacklfob, \dir, 1, \track, 0]);
// pitch gets quantised to octaves from 3 below to 3 above.
// NOTE: the pitch TouchOSC control is -1 to 1, not 0 to 1
// min/max gets ignored because I'm overloading the ctrlset/get
// TODO: fixme,
// ~to.slider('/grainfx/pitch', -1, 1, 1,
// { |self| ~granulator.set("rate", self.v) },
// { |self, ctrlv | self.v = 2.pow((ctrlv * 3).floor) },
// { |self| self.v.log2.floor / 3; }
// );
// buffer recorder
~frippbuffer = Buffer.alloc(s, s.sampleRate * ~buflen, 1);
~bufrecorder = SynthDef(
\fripp_record,
{
arg in = 2, fb = 4, buffer = 0, mix = 0.25, record = 0.0, feedback = 0.0;
var insig, fbsig;
insig = record * In.ar(in, 1);
fbsig = feedback * Mix.ar(In.ar(fb, 2));
RecordBuf.ar(insig + fbsig, buffer, 0, mix, 1 - mix, loop: 1)
}
).play(s, [\in, ~recordb, \record, 1.0, \fb, ~granulatorb, \out, 0, \buffer, ~frippbuffer], \addToTail);
// the main granulator synth
~granulator = SynthDef(
\grainsynth,
{
arg out=0, buffer, pitchb, triggerb, posb, modb, size=0.1, amp=1.0, pan=0, track=0.25, jitter=0, blur=0.0;
var pitch, blen, trigger, chor, pos, pans, grains, filtfreq;
//trigger = Impulse.kr(120);
trigger = In.kr(triggerb);
pitch = In.kr(pitchb);
blen = BufDur.kr(buffer);
pos = Wrap.kr(In.kr(posb, 1) + WhiteNoise.kr(blur), 0, 1);
pans = pan + WhiteNoise.kr(jitter) + (track * (In.kr(posb, 1) - 1));
grains = TGrains.ar(2, trigger, buffer, pitch, pos * blen, size, pans, amp);
Out.ar(out, grains);
}
).play(s, [
\out, ~granulatorb,
\buffer, ~frippbuffer,
\posb, ~playbacklfob,
\triggerb, ~triggerb,
\pitchb, ~pitchb,
\modb, ~lfob,
\size, 0.1
]);
// mixing and effects
~fxb = Bus.audio(s, 2);
~filterb = Bus.audio(s, 2);
~grainsb = Bus.audio(s, 2);
~delayb = Bus.audio(s, 2);
~reverbb = Bus.audio(s, 2);
~grainmixer = SynthDef(
\grain_mixer,
{
arg in=2, gbus=4, out=0, passthrough=0.75, grains=0.75;
Out.ar(out, (grains * In.ar(gbus, 2)) + (passthrough * In.ar(~recordb, 1) ! 2));
}
).play(s, [\in, ~usbinput, \gbus, ~granulatorb, \out, ~fxb ], \addToTail);
~filtermodb = Bus.control(s, 1);
~filtermod = SynthDef(
\filtermod, {
arg out, a = 1.0, b = 0.0, c = 0.0;
var siga, sigb, sigc;
siga = In.kr(~lfoab) * a;
sigb = In.kr(~lfobb) * b;
sigc = In.kr(~lfocb) * c;
Out.kr(out, Wrap.kr(siga + sigb + sigc, -1, 1));
}
).play(s, [\out, ~filtermodb, \a, 1, \b, 0, \c, 0 ]);
~filter = SynthDef(
\filter, {
arg in, out, mod, freq=10000, res=0.3, amp=1.0;
var filt, lfo;
lfo = LinExp.kr(In.kr(mod, 1), -1, 1, freq * 0.5, freq * 2);
filt = RLPF.ar(In.ar(in, 2) * amp, lfo, res);
Out.ar(out, filt);
}
).play(s, [ \in, ~fxb, \out, ~filterb, \mod, ~filtermodb, \amp, 0.5 ], \addToTail);
// delay always passes through 100% of its input + amp % of the delay
~delay = SynthDef(
\delay, {
arg in, out, maxdelay=1, delaytime=0.2, decaytime=0.1, amp=0.5;
var sig = In.ar(in, 2), del;
del = CombC.ar(sig, maxdelay, delaytime, decaytime, amp);
Out.ar(out, sig + del);
}
).play(s, [ \in, ~filterb, \out, ~delayb ], \addToTail);
// try taking out the reverb because I think it causes noises
~reverb = SynthDef(
\reverb, {
arg in, out, mix=0.33, room=0.5, damp=0.5, amp=0.25;
var input = In.ar(in, 2);
Out.ar(out, input + FreeVerb2.ar(input[0], input[1], mix, room, damp, amp));
}
).play(s, [ \in, ~delayb, \out, 0 ], \addToTail);
)
(
OSCdef.freeAll;
~to.button('/record', 1, { | v | ~bufrecorder.set(\record, v) });
~to.button('/reset', 0, { | v |
if( v > 0, {
var sp = ~to.v('/grains/speed')[0];
~buflen = ~to.v('/grains/buflen');
[ "resetting buffer to", ~buflen ].postln;
~newbuffer = Buffer.alloc(s, s.sampleRate * ~buflen, 1);
~granulator.set(\buffer, ~newbuffer);
~bufrecorder.set(\buffer, ~newbuffer);
if( ~frippbuffer.isNil.not, { ~frippbuffer.free });
~frippbuffer = ~newbuffer;
~playbacklfo.set(\speed, sp / ~buflen);
});
});
~to.slider('/mix', 0.25, TouchOSCScale(0, 1), { |v| ~bufrecorder.set(\mix, v) } );
~to.slider('/gain', 0.5, TouchOSCScale(0, 1), { |v| ~granulator.set(\amp, v) } );
~to.slider('/passthrough', 0.75, TouchOSCScale(0, 1), { |v| ~grainmixer.set(\passthrough, v) } );
~to.slider('/feedback', 0, TouchOSCScale(0, 0.25), { |v|
~bufrecorder.set(\feedback, v) } );
~to.button('/grains/bpm', "~", {});
~tapper = TapBeats();
~to.button('/grains/tap', 0, { | v, t |
if( v > 0, {
~tapper.tap(t);
if( ~tapper.bpm.isNil.not, {
~to.v_('/grains/bpm', ~tapper.bpm.round(1));
})
})
});
~to.button('/grains/bpmsend', 0, { | v |
if( ~tapper.bpm.isNil.not, {
var bl = ~beatsperbar * ~tapper.bpm;
~to.v_('/grains/buflen', bl);
~to.v_('/reset', 1);
});
});
// note: ~buflen is the variable for buffer length, which only gets set to
// ~to.v('/grains/buflen') when the buffer is reset with the clear button
~to.slider('/grains/buflen', ~buflen, TouchOSCScale(0.1, 10.0), {});
// this is a write-only control to display where the buffer playback is at
~to.slider('/grains/buffer', 0, TouchOSCScale(0, 1), {});
~to.xy('/grains/speed', [ 1, 120 ], TouchOSCScale(0, 2), TouchOSCScale(0, 640), { | v |
~playbacklfo.set(\speed, v[0] / ~buflen);
~trigger.set(\freq, v[1]);
});
~to.button('/grains/mode', 0, { |v|
var mode = ~modes[v];
if( mode.isNil.not, {
~granulator.set(\posb, mode[1]);
~playbacklfo = mode[0];
~playbacklfob = mode[1];
~playbacklfo.set(\speed, ~to.v('/grains/speed')[0] / ~buflen);
}, {
[ "Bad mode index", v ].postln;
});
});
~to.button('/grains/dust', 0, { |v| ~trigger.set(\dust, v) });
~to.slider('/grains/blur', 0, TouchOSCScale(0, 1), { |v| ~granulator.set(\blur, v) });
// todo vvv quantise speed should be swappable
// var trate, qspeed;
// qspeed = 2.pow(v[0].floor);
// ~playbacklfo.set(\speed, qspeed / ~buflen);
// [ "speed", v[0], qspeed, qspeed / ~buflen ].postln;
// trate = 2.pow(v[1].floor) / ~buflen;
// ~granulator.set(\trate, trate);
~to.slider('/grains/size', 0.1, TouchOSCScale(0, 0.5),{
|v| ~granulator.set(\size, v)
});
// Page 2: grainfx
~to.button('/grainfx/back', 0, { |v| ~pitch.set(\dir, if( v > 0, { -1 }, { 1}))});
~to.button('/grainfx/slope', 1, { |v| ~pitch.set(\track, v) });
~to.slider('/grainfx/pan', 0, TouchOSCScale(-1, 1), { |v| ~granulator.set(\pan, v) });
~to.slider('/grainfx/track', 0.5, TouchOSCScale(-1, 1), { |v| ~granulator.set(\track, v) });
~to.slider('/grainfx/jitter', 0.25, TouchOSCScale(0, 1), { |v| ~granulator.set(\jitter, v) });
~to.button('/grainfx/chorus', 0, { |v| ~pitch.set(\chorus, v) });
~to.slider('/grainfx/detune', 0, TouchOSCScale(0, 0.059), { |v| ~pitch.set(\detune, v) });
~to.slider('/grainfx/pitch', 0, TouchOSCScale(-2, 2), { |v| ~pitch.set(\pitch, v.round) });
~to.button('/grainfx/quant', 1, { |v|
~pitch.set(\quant, v);
~to.v_('/grainfx/harmonics', ~to.v('/grainfx/harmonics'));
});
~to.slider('/grainfx/harmonics', 2, TouchOSCScale(0.1, 4), { |v|
if(~to.v('/grainfx/quant') > 0, {
~pitch.set(\harmonics, v.round);
},
{
~pitch.set(\harmonics, v);
});
});
~to.slider(
'/fx/filterfreq',
10000, TouchOSCScaleExp(100, 10000), { |v| ~filter.set(\freq, v) }
);
~to.slider('/fx/grainmix', 1.0, TouchOSCScale(0, 1), { |v| ~grainmixer.set(\grains, v) } );
~to.slider('/fx/filtermix', 0.8, TouchOSCScale(0, 1), { |v| ~filter.set(\amp, v) } );
~to.button('/fx/filtermoda', 1, { |v| ~filtermod.set(\a, v) });
~to.button('/fx/filtermodb', 0, { |v| ~filtermod.set(\b, v) });
~to.button('/fx/filtermodc', 0, { |v| ~filtermod.set(\c, v) });
~to.slider('/fx/delay', 0.2,TouchOSCScale(0, 1), { |v| ~delay.set(\delaytime, v) } );
~to.slider('/fx/decay', 1, TouchOSCScale(0, 5), { |v| ~delay.set(\decaytime, v) } );
~to.slider('/fx/delaymix', 0.2, TouchOSCScale(0, 1), { |v| ~delay.set(\amp, v) } );
~to.slider('/fx/reverbwet', 0.33,TouchOSCScale(0, 1), { |v| ~reverb.set(\mix, v) } );
~to.slider('/fx/reverbroom', 0.5,TouchOSCScale(0, 1), { |v| ~reverb.set(\room, v) } );
~to.slider('/fx/reverbdamp', 0.5,TouchOSCScale(0, 1), { |v| ~reverb.set(\damp, v) } );
~to.slider('/fx/reverbmix', 0.2, TouchOSCScale(0, 1), { |v| ~reverb.set(\amp, v) } );
// note - the three LFOs have different rate ranges
~to.slider('/lfos/afreq', 0.5,TouchOSCScale(0.001, 2), { |v| ~lfoa.set(\freq, v) } );
~to.slider('/lfos/aamp', 0, TouchOSCScale(0, 1), { |v| ~lfoa.set(\amp, v) });
~to.slider('/lfos/bfreq', 0.5,TouchOSCScale(0.01, 20), { |v| ~lfob.set(\freq, v) } );
~to.slider('/lfos/bamp', 0, TouchOSCScale(0, 1), { |v| ~lfob.set(\amp, v) });
~to.slider('/lfos/cfreq', 0.5,TouchOSCScale(0.1, 200), { |v| ~lfoc.set(\freq, v) } );
~to.slider('/lfos/camp', 0, TouchOSCScale(0, 1), { |v| ~lfoc.set(\amp, v) });
)
(
~posdisplay = Task.new({
{
~playbacklfob.get({ | v |
~to.v_('/grains/buffer', v)
});
0.02.wait;
}.loop;
});
~posdisplay.start;
)
~posdisplay.stop;
~pitch.set(\harmonics, 1.5);
~pitchb.scope
~trigger.set(\dust,0);
(
~testpitchb = Bus.control(s, 1);
~test = SynthDef(
\testpitch,
{
arg out, triggerb;
var csig, dsig, chor;
csig = Latch.kr(WhiteNoise.kr(), In.kr(triggerb));
//dsig = Latch.kr(WhiteNoise.kr(), In.kr(triggerb));
chor = 2.pow((csig * 2).round);
Out.kr(out, chor);
}
).play(s, [ \out, ~testpitchb, \triggerb, ~triggerb ]);
)
~test.free
2.pow(3)
-2.49.round
0.4.asFraction(3)
(
~trig2 = SynthDef(
\trig2,
{
arg out, freq=1, dust=0;
Out.kr(out, Impulse.kr(freq) * (1 - dust)) + (Dust.kr(freq) * dust);
}
).play(s, [ \out, ~triggerb, \freq, 120, \dust, 0 ]);
~frippbuffer.write("/Users/mike/Music/SuperCollider Recordings/slow.aiff");
(
~monitor = SynthDef(
\monitor_synth,
{
arg in=2, out=0;
Out.ar(out, In.ar(in, 2))
}
).play(s, [\in, ~fxb, \out, 0 ], \addToTail);
)
~monitor.set(\in, ~reverbb)
~monitor.free
~pitchb.scope()
// s.sync(); // this needs to be done in a routine because it calls yield
// sidebar -