X-Git-Url: https://scm.cri.ensmp.fr/git/Faustine.git/blobdiff_plain/1059e1cc0c2ecfa237406949aa26155b6a5b9154..66f23d4fabf89ad09adbd4dfc15ac6b5b2b7da83:/interpretor/preprocessor/faust-0.9.47mr3/examples/faust-stk/modalBar.dsp diff --git a/interpretor/preprocessor/faust-0.9.47mr3/examples/faust-stk/modalBar.dsp b/interpretor/preprocessor/faust-0.9.47mr3/examples/faust-stk/modalBar.dsp deleted file mode 100644 index 04eb859..0000000 --- a/interpretor/preprocessor/faust-0.9.47mr3/examples/faust-stk/modalBar.dsp +++ /dev/null @@ -1,110 +0,0 @@ -declare name "Modal Bar"; -declare description "Nonlinear Modal percussive instruments"; -declare author "Romain Michon (rmichon@ccrma.stanford.edu)"; -declare copyright "Romain Michon"; -declare version "1.0"; -declare licence "STK-4.3"; // Synthesis Tool Kit 4.3 (MIT style license); -declare description "A number of different struck bar instruments. Presets numbers: 0->Marimba, 1->Vibraphone, 2->Agogo, 3->Wood1, 4->Reso, 5->Wood2, 6->Beats, 7->2Fix; 8->Clump"; - -import("music.lib"); -import("instrument.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]"); - -stickHardness = hslider("h:Physical_and_Nonlinearity/v:Physical_Parameters/Stick_Hardness -[2][tooltip:A value between 0 and 1]",0.25,0,1,0.01); -reson = nentry("h:Physical_and_Nonlinearity/v:Physical_Parameters/Resonance -[2][tooltip:A value between 0 and 1]",1,0,1,1); -presetNumber = nentry("h:Physical_and_Nonlinearity/v:Physical_Parameters/Preset -[2][tooltip:0->Marimba, 1->Vibraphone, 2->Agogo, 3->Wood1, 4->Reso, 5->Wood2, 6->Beats, 7->2Fix; 8->Clump]",1,0,8,1); - -typeModulation = nentry("h:Physical_and_Nonlinearity/v:Nonlinear_Filter_Parameters/Modulation_Type -[3][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 -[3][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 -[3][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 -[3][unit:s][Attack duration of the nonlinearity]",0.1,0,2,0.01); - -vibratoFreq = hslider("h:Envelopes_and_Vibrato/v:Vibrato_Parameters/Vibrato_Freq -[4][unit:Hz]",6,1,15,0.1); -vibratoGain = hslider("h:Envelopes_and_Vibrato/v:Vibrato_Parameters/Vibrato_Gain -[4][tooltip:A value between 0 and 1]",0.1,0,1,0.01); - -//==================== SIGNAL PROCESSING ================ - -//----------------------- Nonlinear filter ---------------------------- -//nonlinearities are created by the nonlinear passive allpass ladder filter declared in filter.lib - -//nonlinear filter order -nlfOrder = 6; - -//nonLinearModultor is declared in instrument.lib, it adapts allpassnn from filter.lib -//for using it with waveguide instruments -NLFM = nonLinearModulator((nonLinearity : smooth(0.999)),1,freq, - typeModulation,(frequencyMod : smooth(0.999)),nlfOrder); - -//----------------------- Synthesis parameters computing and functions declaration ---------------------------- - -//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); - -//check if the vibraphone is used -vibratoOn = presetNumber == 1; - -//vibrato -vibrato = 1 + osc(vibratoFreq)*vibratoGain*vibratoOn; - -//filter bank output gain -directGain = loadPreset(presetNumber,3,2); - -//modal values for the filter bank -loadPreset = ffunction(float loadPreset (int,int,int), ,""); - -//filter bank using biquad filters -biquadBank = _ <: sum(i, 4, oneFilter(i)) - with{ - condition(x) = x<0 <: *(-x),((-(1))*-1)*x*freq :> +; - dampCondition = (gate < 1) & (reson != 1); - - //the filter coefficients are interpolated when changing of preset - oneFilter(j,y) = (loadPreset(presetNumber,0,j : smooth(0.999)) : condition), - loadPreset(presetNumber,1,j : smooth(0.999))*(1-(gain*0.03*dampCondition)), - y*(loadPreset(presetNumber,2,j) : smooth(0.999)) : bandPassH; - }; - -//one pole filter with pole set at 0.9 for pre-filtering, onePole is declared in instrument.lib -sourceFilter = onePole(b0,a1) - with{ - b0 = 1 - 0.9; - a1 = -0.9; - }; - -//excitation signal -excitation = counterSamples < (marmstk1TableSize*rate) : *(marmstk1Wave*gate) - with{ - //readMarmstk1 and marmstk1TableSize are both declared in instrument.lib - marmstk1 = time%marmstk1TableSize : int : readMarmstk1; - - dataRate(readRate) = readRate : (+ : decimal) ~ _ : *(float(marmstk1TableSize)); - - //the reading rate of the stick table is defined in function of the stickHardness - rate = 0.25*pow(4,stickHardness); - - counterSamples = (*(gate)+1)~_ : -(1); - marmstk1Wave = rdtable(marmstk1TableSize,marmstk1,int(dataRate(rate)*gate)); - }; - -process = excitation : sourceFilter : *(gain) <: - //resonance - (biquadBank <: -(*(directGain))) + (directGain*_) : - //vibrato for the vibraphone - *(vibrato) : NLFM*0.6 : stereo : instrReverb;