X-Git-Url: https://scm.cri.ensmp.fr/git/Faustine.git/blobdiff_plain/1059e1cc0c2ecfa237406949aa26155b6a5b9154..66f23d4fabf89ad09adbd4dfc15ac6b5b2b7da83:/interpreter/preprocessor/faust-0.9.47mr3/examples/faust-stk/flute.dsp diff --git a/interpreter/preprocessor/faust-0.9.47mr3/examples/faust-stk/flute.dsp b/interpreter/preprocessor/faust-0.9.47mr3/examples/faust-stk/flute.dsp new file mode 100644 index 0000000..96ca1c7 --- /dev/null +++ b/interpreter/preprocessor/faust-0.9.47mr3/examples/faust-stk/flute.dsp @@ -0,0 +1,117 @@ +declare name "Flute"; +declare description "Nonlinear WaveGuide Flute"; +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 simple flute based on Smith algorythm: https://ccrma.stanford.edu/~jos/pasp/Flutes_Recorders_Pipe_Organs.html"; + +import("music.lib"); +import("instrument.lib"); +import("effect.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)]",1,0,1,0.01); +gate = button("h:Basic_Parameters/gate [1][tooltip:noteOn = 1, noteOff = 0]") : int; + +pressure = hslider("h:Physical_and_Nonlinearity/v:Physical_Parameters/Pressure +[2][tooltip:Breath pressure (value bewteen 0 and 1)]",0.9,0,1.5,0.01) : smooth(0.999); +breathAmp = hslider("h:Physical_and_Nonlinearity/v:Physical_Parameters/Noise Gain +[2][tooltip:Breath noise gain (value between 0 and 1)]",0.1,0,1,0.01)/10; + +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]",5,1,15,0.1); +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); +vibratoBegin = hslider("h:Envelopes_and_Vibrato/v:Vibrato_Parameters/Vibrato_Begin +[4][unit:s][tooltip:Vibrato silence duration before attack]",0.1,0,2,0.01); +vibratoAttack = hslider("h:Envelopes_and_Vibrato/v:Vibrato_Parameters/Vibrato_Attack +[4][unit:s][tooltip:Vibrato attack duration]",0.5,0,2,0.01); +vibratoRelease = hslider("h:Envelopes_and_Vibrato/v:Vibrato_Parameters/Vibrato_Release +[4][unit:s][tooltip:Vibrato release duration]",0.2,0,2,0.01); + +pressureEnvelope = checkbox("h:Envelopes_and_Vibrato/v:Pressure_Envelope_Parameters/Pressure_Env +[5][unit:s][tooltip:Activate Pressure envelope]") : int; +env1Attack = hslider("h:Envelopes_and_Vibrato/v:Pressure_Envelope_Parameters/Press_Env_Attack +[5][unit:s][tooltip:Pressure envelope attack duration]",0.05,0,2,0.01); +env1Decay = hslider("h:Envelopes_and_Vibrato/v:Pressure_Envelope_Parameters/Press_Env_Decay +[5][unit:s][tooltip:Pressure envelope decay duration]",0.2,0,2,0.01); +env1Release = hslider("h:Envelopes_and_Vibrato/v:Pressure_Envelope_Parameters/Press_Env_Release +[5][unit:s][tooltip:Pressure envelope release duration]",1,0,2,0.01); + +env2Attack = hslider("h:Envelopes_and_Vibrato/v:Global_Envelope_Parameters/Glob_Env_Attack +[6][unit:s][tooltip:Global envelope attack duration]",0.1,0,2,0.01); +env2Release = hslider("h:Envelopes_and_Vibrato/v:Global_Envelope_Parameters/Glob_Env_Release +[6][unit:s][tooltip:Global envelope release duration]",0.1,0,2,0.01); + +//==================== SIGNAL PROCESSING ================ + +//----------------------- Nonlinear filter ---------------------------- +//nonlinearities are created by the nonlinear passive allpass ladder filter declared in filter.lib + +//nonlinear filter order +nlfOrder = 6; + +//attack - sustain - release envelope for nonlinearity (declared in instrument.lib) +envelopeMod = asr(nonLinAttack,100,0.1,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); + +//----------------------- Synthesis parameters computing and functions declaration ---------------------------- + +//Loops feedbacks gains +feedBack1 = 0.4; +feedBack2 = 0.4; + +//Delay Lines +embouchureDelayLength = (SR/freq)/2-2; +boreDelayLength = SR/freq-2; +embouchureDelay = fdelay(4096,embouchureDelayLength); +boreDelay = fdelay(4096,boreDelayLength); + +//Polinomial +poly = _ <: _ - _*_*_; + +//jet filter is a lowwpass filter (declared in filter.lib) +reflexionFilter = lowpass(1,2000); + +//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); + +//----------------------- Algorithm implementation ---------------------------- + +//Pressure envelope +env1 = adsr(env1Attack,env1Decay,90,env1Release,(gate | pressureEnvelope))*pressure*1.1; + +//Global envelope +env2 = asr(env2Attack,100,env2Release,gate)*0.5; + +//Vibrato Envelope +vibratoEnvelope = envVibrato(vibratoBegin,vibratoAttack,100,vibratoRelease,gate)*vibratoGain; + +vibrato = osc(vibratoFreq)*vibratoEnvelope; + +breath = noise*env1; + +flow = env1 + breath*breathAmp + vibrato; + +//instrReverb is declared in instrument.lib +process = (_ <: (flow + *(feedBack1) : embouchureDelay : poly) + *(feedBack2) : reflexionFilter)~(boreDelay : NLFM) : *(env2)*gain : +stereo : instrReverb;