New directory tree, with preprocessor/ inside interpretor/.

[Faustine.git] / interpretor / preprocessor / faust-0.9.47mr3 / tools / faust2pd / examples / synth / phasemod.syn

diff --git a/interpretor/preprocessor/faust-0.9.47mr3/tools/faust2pd/examples/synth/phasemod.syn b/interpretor/preprocessor/faust-0.9.47mr3/tools/faust2pd/examples/synth/phasemod.syn
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+
+declare name "phasemod -- phase modulation synth";
+declare author "Albert Graef";
+declare version "1.0";
+
+import("music.lib");
+
+// control variables
+
+// master volume and pan
+vol    = hslider("vol", 0.3, 0, 10, 0.01);     // %
+pan    = hslider("pan", 0.5, 0, 1, 0.01);      // %
+
+// ADSR envelop
+attack = hslider("attack", 0.01, 0, 1, 0.001); // sec
+decay  = hslider("decay", 0.3, 0, 1, 0.001);   // sec
+sustain = hslider("sustain", 0.5, 0, 1, 0.01); // %
+release = hslider("release", 0.2, 0, 1, 0.001);        // sec
+
+// voice parameters
+freq   = nentry("freq", 440, 20, 20000, 1);    // Hz
+gain   = nentry("gain", 1, 0, 10, 0.01);       // %
+gate   = button("gate");                       // 0/1
+
+// generic table-driven oscillator with phase modulation
+
+// n   = the size of the table, must be a power of 2
+// f   = the wave function, must be defined on the range [0,2*PI]
+// freq        = the desired frequency in Hz
+// mod = the phase modulation signal, in radians
+
+tblosc(n,f,freq,mod)   = (1-d)*rdtable(n,waveform,i&(n-1)) +
+                         d*rdtable(n,waveform,(i+1)&(n-1))
+with {
+       waveform        = time*(2.0*PI)/n : f;
+       phase           = freq/SR : (+ : decimal) ~ _;
+       modphase        = decimal(phase+mod/(2*PI))*n;
+       i               = int(floor(modphase));
+       d               = decimal(modphase);
+};
+
+// phase modulation synth (sine modulated by another sine)
+
+smooth(c) = *(1-c) : +~*(c);
+
+process        = tblosc(1<<16, sin, freq, mod) * env * (gain:smooth(0.999))
+  :  vgroup("2-master", *(vol) : panner(pan))
+with {
+       env = gate : vgroup("1-adsr", adsr(attack, decay, sustain, release));
+       mod = 2*PI*tblosc(1<<16, sin, freq, 0)*env;
+};