+++ /dev/null
-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), <modalBar.h>,"");
-
-//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;
projects / Faustine.git / blobdiff