Merge remote-tracking branch 'refs/remotes/origin/master'

eli_fieldsteel_examples/aphex_twin_rhubarb_EF.scd

@@ -6,26 +6,29 @@ s.waitForBoot({
 
 	SynthDef(\rhubarb, {
 		var bn, pn, osc, sig, env, freq = \freq.ir(440);
-		bn = Crackle.ar(1!4);
-		bn = LPF.ar(bn, 10); // Low-pass filter to reduce high frequencies
-		bn = GlitchBPF.ar(bn, freq * {Rand(-0.1, 0.1).midiratio}.dup(4), \rq.ir(0.01), 24);
-		osc = LFSaw.ar(freq * {Rand(-0.1, 0.1).midiratio}.dup(4), {Rand(0.48, 0.52)}.dup(4));
+		bn = Crackle.ar(1.99!4); // EMF: I find crackle is more interesting with a choas parameter closer to 2
+		bn = LPF.ar(bn, 1000); // EMF: 10 is such a low cutoff frequency that you're essentially muting the crackle UGen. Raised to something higher
+		bn = GlitchBPF.ar(bn, freq * {Rand(-0.2, 0.2).midiratio}.dup(4), \rq.ir(0.01), 24);
+		osc = LFSaw.ar(freq * {Rand(-0.2, 0.2).midiratio}.dup(4), {Rand(0.48, 0.52)}.dup(4));
 		osc = LPF.ar(osc, (freq * 2).clip(20, 20000));
 		osc = osc * LFDNoise3.kr(0.1!4).exprange(1.1, 1.5);
-		osc = Fold.ar(osc, -20, 20);
-		osc = LPF.ar(osc, 600).tanh(20) * 0.12;
-		env = Env.asr(\atk.kr(0.35), \dec.kr(3), \sus.kr(1), \rel.kr(2), \crv.ir(-2)).ar(2, \gate.kr(1));
-		sig = bn + osc + PinkNoise.ar(0.015!4 * LFDNoise3.kr(1).exprange(0.35, 1));
+		osc = Fold.ar(osc, -20, 20); // EMF: wavefolding only happens if the input signal amplitude exceeds the bounds provided. osc has a pretty normal range and won't ever exceed ±20. You can see in the previous line (LFDNoise3) I'm only amplifying it by a maximum factor of 1.5. It's actually small boundary values with Fold that cause audible results (change to the folding min/max to -0.1, +0.1 and you'll notice the sound changes significantly)
+		osc = LPF.ar(osc, 400).tanh(20) * 0.12;
+		env = Env.asr(\atk.kr(0.35), \sus.kr(1), \rel.kr(2), \crv.ir(-2)).ar(2, \gate.kr(1));
+
+		// EMF: Passed pink noise through lowpass filter before mixing to better mirror spectral profile of original track
+		sig = bn + osc + LPF.ar(PinkNoise.ar(0.015!4 * LFDNoise3.kr(1).exprange(0.35, 1)), 3000);
 		sig = sig * LFDNoise3.kr(0.1!4).exprange(1.1, 1.2);
-		sig = Splay.ar(sig, spread:10);
+		sig = Splay.ar(sig, spread: 10); // EMF: spread caps out at 1, larger values don't do anything extra
 		sig = sig.tanh * \amp.ir(0.25);
 
 		/*sig = sig + BPF.ar(sig, 400, 0.3, 1, 0);
 		sig = sig + GlitchBPF.ar(sig, 400, 1, 1, 0) * 0.1;*/
 
-		sig = sig + CombL.ar(sig, maxdelaytime:0.2, delaytime:0.2, decaytime: 1.0) * 0.4;
+		// EMF: reduced Comb mul parameter to less than 1, the delay felt too prominent
+		sig = sig + CombL.ar(sig, maxdelaytime:0.2, delaytime:0.2, decaytime: 1.0, mul: 0.3) * 0.4;
 
-		sig = sig * env;
+		sig = sig * env * 4; // EMF upscaled output gain to a healthier level
 		Out.ar(\out.ir(0), sig);
 	}).add;
 
@@ -56,7 +59,7 @@ s.waitForBoot({
 			[ 57, 61, 64 ],
 			[ 52, 56, 59 ],
 			Prand([[ 33, 50, 54, 57], [ 50, 54, 57 ]], 1),
-		], inf),
+		], inf) - 0.1,
 		\amp, 1,
 		\atk, Pwhite(0.2, 0.5),
 		\rel, Pexprand(1.2, 2.5),

eli_fieldsteel_examples/autechre_tri_repetae_revision.scd

@@ -0,0 +1,28 @@
+(
+{
+	var sig, freq;
+	freq = LFNoise2.kr(4).exprange(10, 20);
+	sig = LFSaw.ar(freq!2);
+	sig = LPF.ar(sig, 1000);
+	sig = sig * 0.2;
+}.play
+)
+
+
+// EMF: newer version
+(
+{
+	var sig, freq;
+
+	// EMF: using LFSaw instead of noise generator to control frequency, better imitation of the original
+	freq = LFSaw.kr(0.35.neg).range(0.5, 27).lincurve(0.5, 27, 0.5, 27, -4);
+	sig = LFSaw.ar(freq ! 2);
+
+	// EMF: experimenting with lowpass/highpass parallel sum. very rough approximation of what i hear, needs tweaking
+	sig = [
+		LPF.ar(sig, VarSaw.kr(0.35, 0.5, width: 0.02).exprange(200, 10000).lag(0.05), 0.2),
+		HPF.ar(sig, VarSaw.kr(0.35, 0.5, width: 0.02).exprange(20, 3000).lag(0.05));
+	].sum;
+	sig = sig * 0.2;
+}.play
+)