X-Git-Url: https://scm.cri.ensmp.fr/git/Faustine.git/blobdiff_plain/1059e1cc0c2ecfa237406949aa26155b6a5b9154..66f23d4fabf89ad09adbd4dfc15ac6b5b2b7da83:/interpretor/preprocessor/faust-0.9.47mr3/tools/faust2pd/examples/synth/chimes.syn

diff --git a/interpretor/preprocessor/faust-0.9.47mr3/tools/faust2pd/examples/synth/chimes.syn b/interpretor/preprocessor/faust-0.9.47mr3/tools/faust2pd/examples/synth/chimes.syn
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--- a/interpretor/preprocessor/faust-0.9.47mr3/tools/faust2pd/examples/synth/chimes.syn
+++ /dev/null
@@ -1,95 +0,0 @@
-
-/* 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));