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

diff --git a/interpretor/faust-0.9.47mr3/tools/faust2pd/examples/synth/chimes.syn b/interpretor/faust-0.9.47mr3/tools/faust2pd/examples/synth/chimes.syn
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-
-/* A simple "chimes" patch, using a bank of resonz filters (cf. Steiglitz, DSP
-   Primer, pp. 89f.). */
-
-declare name "chimes -- chimes synth using a bank of resonz filters";
-declare author "Albert Graef";
-declare version "2.0";
-
-import("music.lib");
-
-/* Control variables: */
-
-// master volume, pan
-vol            = hslider("vol", 0.5, 0, 10, 0.01);             // %
-pan            = hslider("pan", 0.5, 0, 1, 0.01);              // %
-
-// excitator and resonator parameters
-
-// excitator decay time [sec]
-xdecay         = nentry("decay", 0.01, 0, 1, 0.001);
-
-// resonator #0
-hrm0           = nentry("harmonic0", 1, 0, 50, 0.001);         // harmonic
-amp0           = nentry("amplitude0", 0.167, 0, 1, 0.001);     // amplitude
-decay0         = nentry("decay0", 3.693, 0, 10, 0.001);        // decay time
-rq0            = nentry("rq0", 0.002, 0, 1, 0.0001);           // filter 1/Q
-// resonator #1
-hrm1           = nentry("harmonic1", 3.007, 0, 50, 0.001);     // harmonic
-amp1           = nentry("amplitude1", 0.083, 0, 1, 0.001);     // amplitude
-decay1         = nentry("decay1", 2.248, 0, 10, 0.001);        // decay time
-rq1            = nentry("rq1", 0.002, 0, 1, 0.0001);           // filter 1/Q
-// resonator #2
-hrm2           = nentry("harmonic2", 4.968, 0, 50, 0.001);     // harmonic
-amp2           = nentry("amplitude2", 0.087, 0, 1, 0.001);     // amplitude
-decay2         = nentry("decay2", 2.828, 0, 10, 0.001);        // decay time
-rq2            = nentry("rq2", 0.002, 0, 1, 0.0001);           // filter 1/Q
-// resonator #3
-hrm3           = nentry("harmonic3", 8.994, 0, 50, 0.001);     // harmonic
-amp3           = nentry("amplitude3", 0.053, 0, 1, 0.001);     // amplitude
-decay3         = nentry("decay3", 3.364, 0, 10, 0.001);        // decay time
-rq3            = nentry("rq3", 0.002, 0, 1, 0.0001);           // filter 1/Q
-// resonator #4
-hrm4           = nentry("harmonic4", 12.006, 0, 50, 0.001);    // harmonic
-amp4           = nentry("amplitude4", 0.053, 0, 1, 0.001);     // amplitude
-decay4         = nentry("decay4", 2.488, 0, 10, 0.001);        // decay time
-rq4            = nentry("rq4", 0.002, 0, 1, 0.0001);           // filter 1/Q
-
-// frequency, gain, gate
-freq           = nentry("freq", 440, 20, 20000, 1);            // Hz
-gain           = nentry("gain", 1, 0, 10, 0.01);               // %
-gate           = button("gate");                               // 0/1
-
-/* Definition of the resonz filter. This is basically a biquad filter with
-   pairs of poles near the desired resonance frequency and zeroes at -1 and
-   +1. See Steiglitz for details. */
-
-resonz(R,freq) = f : (+ ~ g)
-with {
-       f(x)    = a*(x-x');             // feedforward function (two zeros)
-       g(y)    = 2*R*c*y - R*R*y';     // feedback function (two poles)
-       w       = 2*PI*freq/SR;         // freq in rad per sample period
-       c       = 2*R/(1+R*R)*cos(w);   // cosine of pole angle
-       s       = sqrt (1-c*c);         // sine of pole angle
-       a       = (1-R*R)*s;            // factor to normalize resonance
-};
-
-/* The excitator, a short burst of noise. */
-
-excitator(t)   = t : hgroup("1-excitator", adsr(0, xdecay, 0, 0) : *(noise));
-
-/* Bank of 5 resonators. */
-
-resonator(f,t,i,hrm,amp,decay,rq)
-               = (f,t,_) : hgroup("2-resonator-%i", g)
-with {
-       g(f,t)  = resonz(R,h)*(amp*b*env)
-       with {
-               h       = hrm*f;        // harmonic
-               B       = rq*f/SR;      // bandwidth, as fraction of sample rate
-               R       = 1-PI*B;       // resonance (pole radius)
-               b       = 1/(2*B);      // boost factor = Nyquist/bandwidth
-               env     = adsr(0, decay, 0, 0, t);      // envelop
-       };
-};
-
-resonators(f,t)        = resonator(f,t,0,hrm0,amp0,decay0,rq0)
-               + resonator(f,t,1,hrm1,amp1,decay1,rq1)
-               + resonator(f,t,2,hrm2,amp2,decay2,rq2)
-               + resonator(f,t,3,hrm3,amp3,decay3,rq3)
-               + resonator(f,t,4,hrm4,amp4,decay4,rq4);
-
-/* The synth. */
-
-process                = excitator(gate)*gain <: resonators(freq, gate)
-               : vgroup("3-master", *(vol) : panner(pan));