X-Git-Url: https://scm.cri.ensmp.fr/git/Faustine.git/blobdiff_plain/1059e1cc0c2ecfa237406949aa26155b6a5b9154..66f23d4fabf89ad09adbd4dfc15ac6b5b2b7da83:/interpreter/preprocessor/faust-0.9.47mr3/examples/faust-stk/NLFfm.dsp

diff --git a/interpreter/preprocessor/faust-0.9.47mr3/examples/faust-stk/NLFfm.dsp b/interpreter/preprocessor/faust-0.9.47mr3/examples/faust-stk/NLFfm.dsp
new file mode 100644
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+++ b/interpreter/preprocessor/faust-0.9.47mr3/examples/faust-stk/NLFfm.dsp
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+declare name "NLFfm";
+declare description "FM synthesizer implemented with a nonlinear passive allpass filter";
+declare author "Romain Michon";
+declare copyright "Romain Michon (rmichon@ccrma.stanford.edu)";
+declare version "1.0";
+
+import("instrument.lib");
+import("music.lib");
+
+//==================== GUI SPECIFICATION ================
+
+freq = nentry("h:Basic_Parameters/freq [1][unit:Hz] [tooltip:Tone frequency]",440,20,20000,1);
+gain = nentry("h:Basic_Parameters/gain [1][tooltip:Gain (value between 0 and 1)]",0.8,0,1,0.01); 
+gate = button("h:Basic_Parameters/gate [1][tooltip:noteOn = 1, noteOff = 0]");
+
+typeModulation = nentry("h:Physical_and_Nonlinearity/v:Nonlinear_Filter_Parameters/Modulation_Type 
+[2][tooltip: 0=theta is modulated by the incoming signal; 1=theta is modulated by the averaged incoming signal;
+2=theta is modulated by the squared incoming signal; 3=theta is modulated by a sine wave of frequency freqMod;
+4=theta is modulated by a sine wave of frequency freq;]",0,0,4,1);
+nonLinearity = hslider("h:Physical_and_Nonlinearity/v:Nonlinear_Filter_Parameters/Nonlinearity 
+[2][tooltip:Nonlinearity factor (value between 0 and 1)]",0,0,1,0.01);
+frequencyMod = hslider("h:Physical_and_Nonlinearity/v:Nonlinear_Filter_Parameters/Modulation_Frequency 
+[2][unit:Hz][tooltip:Frequency of the sine wave for the modulation of theta (works if Modulation Type=3)]",220,20,1000,0.1);
+nonLinAttack = hslider("h:Physical_and_Nonlinearity/v:Nonlinear_Filter_Parameters/Nonlinearity_Attack
+[2][unit:s][Attack duration of the nonlinearity]",0.1,0,2,0.01);
+
+vibratoFreq = hslider("h:Envelopes_and_Vibrato/v:Vibrato_Parameters/Vibrato_Freq 
+[3][unit:Hz]",5,1,15,0.1);
+vibratoGain = hslider("h:Envelopes_and_Vibrato/v:Vibrato_Parameters/Vibrato_Gain
+[3][tooltip:A value between 0 and 1]",0.1,0,1,0.01);
+vibratoAttack = hslider("h:Envelopes_and_Vibrato/v:Vibrato_Parameters/Vibrato_Attack 
+[3][unit:s][tooltip:Vibrato attack duration]",0.5,0,2,0.01);
+vibratoRelease = hslider("h:Envelopes_and_Vibrato/v:Vibrato_Parameters/Vibrato_Release 
+[3][unit:s][tooltip:Vibrato release duration]",0.01,0,2,0.01);
+
+envelopeAttack = hslider("h:Envelopes_and_Vibrato/v:Envelope_Parameters/Envelope_Attack 
+[4][unit:s][tooltip:Envelope attack duration]",0.05,0,2,0.01);
+envelopeDecay = hslider("h:Envelopes_and_Vibrato/v:Envelope_Parameters/Envelope_Decay 
+[4][unit:s][tooltip:Envelope decay duration]",0.05,0,2,0.01);
+envelopeRelease = hslider("h:Envelopes_and_Vibrato/v:Envelope_Parameters/Envelope_Release 
+[4][unit:s][tooltip:Envelope release duration]",0.05,0,2,0.01);
+
+//----------------------- Nonlinear filter ----------------------------
+//nonlinearities are created by the nonlinear passive allpass ladder filter declared in filter.lib
+
+//nonlinear filter order
+nlfOrder = 3; 
+
+//attack - sustain - release envelope for nonlinearity (declared in instrument.lib)
+envelopeMod = asr(nonLinAttack,100,envelopeRelease,gate);
+
+//nonLinearModultor is declared in instrument.lib, it adapts allpassnn from filter.lib 
+//for using it with waveguide instruments
+NLFM =  nonLinearModulator((nonLinearity : smooth(0.999)),envelopeMod,freq,
+     typeModulation,(frequencyMod : smooth(0.999)),nlfOrder);
+
+//----------------------- Algorithm implementation ----------------------------
+
+//stereoizer is declared in instrument.lib and implement a stereo spacialisation in function of 
+//the frequency period in number of samples 
+stereo = stereoizer(SR/freq);
+
+//vibrato gain is controled by envVibrato (declared in instrument.LIB)
+vibrato = osc(vibratoFreq)*vibratoGain*envVibrato(0.1*2*vibratoAttack,0.9*2*vibratoAttack,100,vibratoRelease,gate);
+
+//output gain is controled by an adsr envelope
+envelope = adsr(envelopeAttack,envelopeDecay,90,envelopeRelease,gate)*gain;
+breath = envelope + envelope*vibrato;
+
+process = osc(freq)*breath : NLFM : stereo : instrReverb;