new

additive_and_fourier.scd

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+(
+{
+    var baseFreq = 100;
+    var numHarmonics = 10;
+    var amps = Array.fill(numHarmonics, { |i| 1 / (i + 1) }); // amplitude falloff
+    var freqs = Array.fill(numHarmonics, { |i|
+        baseFreq * (i + 1) * (1 + 0.1 * SinOsc.kr(0.1 * (i + 1)))
+    }); // slight modulation of harmonic frequencies
+
+    var sines = Mix.fill(numHarmonics, { |i|
+        SinOsc.ar(freqs[i], 0, amps[i])
+    });
+
+    sines * 0.2
+}.play;
+)
+
+
+
+// Additive synthesis with arbitrary frequencies
+{ Mix.ar([400, 450, 503].collect { |freq| LFTri.ar(freq, 0, 0.1) }).dup }.play;
+
+
+// Fourier-style additive synthesis: harmonic series
+(
+{
+    var f0 = 100;
+    var harmonics = Array.fill(10, { |i|
+        SinOsc.ar(f0 * (i + 1), 0, 0.1 / (i + 1))
+    });
+    Mix(harmonics)
+}.play;
+)