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bmSClib/faust/pultec.dsp

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import("stdfaust.lib");
pultec(in1) = wd.buildtree(tree)
with{
//resistors and potentiometers
p_HB_p(i) = wd.resistor(i, (10.0e4 - p_HB_ui + 1));
p_HB_m(i) = wd.resistor(i, (p_HB_ui + 1));
p_HBQ(i) = wd.resistor(i, (p_HBQ_ui+1));
p_LC(i) = wd.resistor(i, (p_LC_ui +1));
p_HC_p(i) = wd.resistor(i, (1.0e3 - p_HC_ui + 1));
p_HC_m(i) = wd.resistor(i, (p_HC_ui + 1));
p_BL(i) = wd.resistor(i, (p_BL_ui + 1));
r_a(i) = wd.resistor(i, 570);
r_b(i) = wd.resistor(i, 1.0e3);
r_c(i) = wd.resistor(i, 75);
r_d(i) = wd.resistor_Vout(i, 10.0e3);
//capacitors
c_HBF(i) = wd.capacitor(i, cl_HBF_ui(0));
c_HCF(i) = wd.capacitor(i, c_HCF_ui);
c_LF_a(i) = wd.capacitor(i, c_LF_ui(0));
c_LF_b(i) = wd.capacitor(i, c_LF_ui(1));
//inductor
l_HBF(i) = wd.inductor(i, cl_HBF_ui(1));
//voltage input
vin(i) = wd.resVoltage(i, 10, in1);
//connection tree parts
tree = u_6port : (a, b, c, d, e, f)
with{
a = wd.series : (p_HC_m, (wd.parallel : (p_LC, c_LF_a)));
b = wd.series : (p_HC_p, (wd.parallel : (p_HC_m, (wd.series : (c_HCF, r_c)))));
c = r_b;
d = r_d;
e = wd.parallel : (c_LF_b, p_BL);
f = wd.series : ((wd.series : (p_HB_p, (wd.parallel : (vin, r_a)))), (wd.parallel : (p_HB_m, (wd.series : (p_HBQ, (wd.series : (l_HBF, c_HBF)))))));
};
//approximate a potentiometer position as an audio taper (log) resistance (%)
log_pot(slider) = 10^(slider/50) - 1;
//approximate a potentiometer postion as an inverse log resistance (%)
invlog_pot(slider) = (slider+1) : log10*50;
//ui-elements
p_HB_ui = log_pot(hslider("h:PULTEC PROGRAM EQUALIZER/v:[2]HIGH FREQUENCY/h:[0]KNOBS/[0]BOOSTHi[style:knob]", 0, 0, 93, 1))/100 * 10.0e4;
p_HC_ui = invlog_pot(hslider("h:PULTEC PROGRAM EQUALIZER/v:[2]HIGH FREQUENCY/h:[0]KNOBS/[1]ATTENHi[style:knob]", 0, 0, 30, 1))/100 * 1.0e3;
p_HBQ_ui = log_pot(hslider("h:PULTEC PROGRAM EQUALIZER/v:[1]BANDWIDTH/ADJUST[style:knob]", 0, 0, 150, 1))/100 * 2.2e3;
p_BL_ui = log_pot(hslider("h:PULTEC PROGRAM EQUALIZER/v:[0]LOW FREQUENCY/h:[0]KNOBS/[0]BOOSTLow[style:knob]", 0, 0, 20, 1))/100 * 10.0e4;
p_LC_ui = log_pot(hslider("h:PULTEC PROGRAM EQUALIZER/v:[0]LOW FREQUENCY/h:[0]KNOBS/[1]ATTENLow[style:knob]", 0, 0, 130, 1))/100 * 100.0e1;
cl_HBF_ui =
case{
(0) => (15.0e-9, 15.0e-9, 10.0e-9, 10.0e-9, 6.8e-9, 6.8e-9, 15.0e-9) : ba.selectn(7, switch_HBF); //capacitor switched values
(1) => (175.0e-3, 100.0e-3, 90.0e-3, 65.0e-3, 35.0e-3, 23.0e-3, 19.0e-3) : ba.selectn(7, switch_HBF);//inductor switched values
//(3kHz, 4kHz, 5kHz, 6kHz, 10kHz, 12kHz, 16kHz)
(x) => 5;
}with{
switch_HBF = hslider("h:PULTEC PROGRAM EQUALIZER/v:[2]HIGH FREQUENCY/[1]CPSHi[style:menu{'3 kHz':0;'4 kHz':1;'5 kHz':2;'6 kHz':3;'10 kHz':4;'12 kHz':5;'16 kHz':6}]", 0, 0, 6, 1);
};
c_LF_ui =
case{
(0) => (100.0e-9, 47.0e-9, 22.0e-9, 15.0e-9) : ba.selectn(4, switch_LF); //capacitor switched values
(1) => (2.2e-6, 1.0e-6, 470.0e-9, 330.0e-9) : ba.selectn(4, switch_LF);//inductor switched values
//(20hz, 30hz, 60hz, 100hz)
(x) => 5;
}with{
switch_LF = hslider("h:PULTEC PROGRAM EQUALIZER/v:[0]LOW FREQUENCY/[1]CPSLow[style:menu{'20 Hz':0;'30 Hz':1;'60 Hz':2;'100 Hz':3}]", 0, 0, 3, 1);
};
c_HCF_ui = (47.0e-9, 94.0e-9, 197.0e-9) : ba.selectn(3, switch_HCF) //capacitor switched values
//(20hz, 30hz, 60hz, 100hz)
with{
switch_HCF = hslider("h:PULTEC PROGRAM EQUALIZER/v:[3]ATTEN SELECT/HI-CUT F[style:menu{'20':0;'10':1;'5':2}]", 0, 0, 2, 1);
};
u_6port(i) = wd.u_genericNode(i, sixport_scatter)
with{
sixport_scatter(Ra, Rb, Rc, Rd, Re, Rf) = matrix(6, 6, scatter)
with{
scatter =
case{
(1, 1) => ((-Ra)*(Rd*Re + Rb*(Rc + Rd + Re) + Rd*Rf + Re*Rf + Rc*(Re + Rf)) + Rc*(Re*Rf + Rd*(Re + Rf)) + Rb*(Re*Rf + Rc*(Rd + Rf) + Rd*(Re + Rf)))/(Ra*(Rd*Re + Rb*(Rc + Rd + Re) + Rd*Rf + Re*Rf + Rc*(Re + Rf))
+ Rc*(Re*Rf + Rd*(Re + Rf)) + Rb*(Re*Rf + Rc*(Rd + Rf) + Rd*(Re + Rf)));
(1, 2) => (2*Ra*((Rc + Re)*Rf + Rd*(Re + Rf)))/(Ra*(Rd*Re + Rb*(Rc + Rd + Re) + Rd*Rf + Re*Rf + Rc*(Re + Rf)) + Rc*(Re*Rf + Rd*(Re + Rf)) + Rb*(Re*Rf + Rc*(Rd + Rf) + Rd*(Re + Rf)));
(1, 3) => (2*Ra*(Rb*Rd + Re*Rf + Rd*(Re + Rf)))/(Ra*(Rd*Re + Rb*(Rc + Rd + Re) + Rd*Rf + Re*Rf + Rc*(Re + Rf)) + Rc*(Re*Rf + Rd*(Re + Rf)) + Rb*(Re*Rf + Rc*(Rd + Rf) + Rd*(Re + Rf)));
(1, 4) => (-1)*((2*Ra*(Rb*(Rc + Re) + Rc*(Re + Rf)))/(Ra*(Rd*Re + Rb*(Rc + Rd + Re) + Rd*Rf + Re*Rf + Rc*(Re + Rf)) + Rc*(Re*Rf + Rd*(Re + Rf)) + Rb*(Re*Rf + Rc*(Rd + Rf) + Rd*(Re + Rf))));
(1, 5) => (2*Ra*(Rb*Rd - Rc*Rf))/(Ra*(Rd*Re + Rb*(Rc + Rd + Re) + Rd*Rf + Re*Rf + Rc*(Re + Rf)) + Rc*(Re*Rf + Rd*(Re + Rf)) + Rb*(Re*Rf + Rc*(Rd + Rf) + Rd*(Re + Rf)));
(1, 6) => (-1)*((2*Ra*(Rc*Re + Rb*(Rc + Rd + Re)))/(Ra*(Rd*Re + Rb*(Rc + Rd + Re) + Rd*Rf + Re*Rf + Rc*(Re + Rf)) + Rc*(Re*Rf + Rd*(Re + Rf)) + Rb*(Re*Rf + Rc*(Rd + Rf) + Rd*(Re + Rf))));
(2, 1) => (2*Rb*((Rc + Re)*Rf + Rd*(Re + Rf)))/(Ra*(Rd*Re + Rb*(Rc + Rd + Re) + Rd*Rf + Re*Rf + Rc*(Re + Rf)) + Rc*(Re*Rf + Rd*(Re + Rf)) + Rb*(Re*Rf + Rc*(Rd + Rf) + Rd*(Re + Rf)));
(2, 2) => (Ra*(Rd*Re - Rb*(Rc + Rd + Re) + Rd*Rf + Re*Rf + Rc*(Re + Rf)) + Rc*(Re*Rf + Rd*(Re + Rf)) - Rb*(Re*Rf + Rc*(Rd + Rf) + Rd*(Re + Rf)))/(Ra*(Rd*Re + Rb*(Rc + Rd + Re) + Rd*Rf + Re*Rf + Rc*(Re + Rf))
+ Rc*(Re*Rf + Rd*(Re + Rf)) + Rb*(Re*Rf + Rc*(Rd + Rf) + Rd*(Re + Rf)));
(2, 3) => (-1)*((2*Rb*(Ra*Re + Re*Rf + Rd*(Re + Rf)))/(Ra*(Rd*Re + Rb*(Rc + Rd + Re) + Rd*Rf + Re*Rf + Rc*(Re + Rf)) + Rc*(Re*Rf + Rd*(Re + Rf)) + Rb*(Re*Rf + Rc*(Rd + Rf) + Rd*(Re + Rf))));
(2, 4) => (-2*Ra*Rb*Re + 2*Rb*Rc*Rf)/(Ra*(Rd*Re + Rb*(Rc + Rd + Re) + Rd*Rf + Re*Rf + Rc*(Re + Rf)) + Rc*(Re*Rf + Rd*(Re + Rf)) + Rb*(Re*Rf + Rc*(Rd + Rf) + Rd*(Re + Rf)));
(2, 5) => (2*Rb*(Ra*(Rc + Rd) + Rc*(Rd + Rf)))/(Ra*(Rd*Re + Rb*(Rc + Rd + Re) + Rd*Rf + Re*Rf + Rc*(Re + Rf)) + Rc*(Re*Rf + Rd*(Re + Rf)) + Rb*(Re*Rf + Rc*(Rd + Rf) + Rd*(Re + Rf)));
(2, 6) => (-1)*((2*Rb*(Rc*Rd + Ra*(Rc + Rd + Re)))/(Ra*(Rd*Re + Rb*(Rc + Rd + Re) + Rd*Rf + Re*Rf + Rc*(Re + Rf)) + Rc*(Re*Rf + Rd*(Re + Rf)) + Rb*(Re*Rf + Rc*(Rd + Rf) + Rd*(Re + Rf))));
(3, 1) => (2*Rc*(Rb*Rd + Re*Rf + Rd*(Re + Rf)))/(Ra*(Rd*Re + Rb*(Rc + Rd + Re) + Rd*Rf + Re*Rf + Rc*(Re + Rf)) + Rc*(Re*Rf + Rd*(Re + Rf)) + Rb*(Re*Rf + Rc*(Rd + Rf) + Rd*(Re + Rf)));
(3, 2) => (-1)*((2*Rc*(Ra*Re + Re*Rf + Rd*(Re + Rf)))/(Ra*(Rd*Re + Rb*(Rc + Rd + Re) + Rd*Rf + Re*Rf + Rc*(Re + Rf)) + Rc*(Re*Rf + Rd*(Re + Rf)) + Rb*(Re*Rf + Rc*(Rd + Rf) + Rd*(Re + Rf))));
(3, 3) => 1 - (2*Rc*(Rd*Re + Rd*Rf + Re*Rf + Rb*(Rd + Rf) + Ra*(Rb + Re + Rf)))/(Ra*(Rd*Re + Rb*(Rc + Rd + Re) + Rd*Rf + Re*Rf + Rc*(Re + Rf)) + Rc*(Re*Rf + Rd*(Re + Rf)) + Rb*(Re*Rf + Rc*(Rd + Rf) + Rd*(Re + Rf)));
(3, 4) => (-1)*((2*Rc*(Rb*Rf + Ra*(Rb + Re + Rf)))/(Ra*(Rd*Re + Rb*(Rc + Rd + Re) + Rd*Rf + Re*Rf + Rc*(Re + Rf)) + Rc*(Re*Rf + Rd*(Re + Rf)) + Rb*(Re*Rf + Rc*(Rd + Rf) + Rd*(Re + Rf))));
(3, 5) => (-1)*((2*Rc*(Ra*(Rb + Rf) + Rb*(Rd + Rf)))/(Ra*(Rd*Re + Rb*(Rc + Rd + Re) + Rd*Rf + Re*Rf + Rc*(Re + Rf)) + Rc*(Re*Rf + Rd*(Re + Rf)) + Rb*(Re*Rf + Rc*(Rd + Rf) + Rd*(Re + Rf))));
(3, 6) => (2*Rc*(Rb*Rd - Ra*Re))/(Ra*(Rd*Re + Rb*(Rc + Rd + Re) + Rd*Rf + Re*Rf + Rc*(Re + Rf)) + Rc*(Re*Rf + Rd*(Re + Rf)) + Rb*(Re*Rf + Rc*(Rd + Rf) + Rd*(Re + Rf)));
(4, 1) => (-1)*((2*Rd*(Rb*(Rc + Re) + Rc*(Re + Rf)))/(Ra*(Rd*Re + Rb*(Rc + Rd + Re) + Rd*Rf + Re*Rf + Rc*(Re + Rf)) + Rc*(Re*Rf + Rd*(Re + Rf)) + Rb*(Re*Rf + Rc*(Rd + Rf) + Rd*(Re + Rf))));
(4, 2) => (-2*Ra*Rd*Re + 2*Rc*Rd*Rf)/(Ra*(Rd*Re + Rb*(Rc + Rd + Re) + Rd*Rf + Re*Rf + Rc*(Re + Rf)) + Rc*(Re*Rf + Rd*(Re + Rf)) + Rb*(Re*Rf + Rc*(Rd + Rf) + Rd*(Re + Rf)));
(4, 3) => (-1)*((2*Rd*(Rb*Rf + Ra*(Rb + Re + Rf)))/(Ra*(Rd*Re + Rb*(Rc + Rd + Re) + Rd*Rf + Re*Rf + Rc*(Re + Rf)) + Rc*(Re*Rf + Rd*(Re + Rf)) + Rb*(Re*Rf + Rc*(Rd + Rf) + Rd*(Re + Rf))));
(4, 4) => 1 - (2*Rd*(Rc*(Re + Rf) + Ra*(Rb + Re + Rf) + Rb*(Rc + Re + Rf)))/(Ra*(Rd*Re + Rb*(Rc + Rd + Re) + Rd*Rf + Re*Rf + Rc*(Re + Rf)) + Rc*(Re*Rf + Rd*(Re + Rf)) + Rb*(Re*Rf + Rc*(Rd + Rf) + Rd*(Re + Rf)));
(4, 5) => (-1)*((2*Rd*((Rb + Rc)*Rf + Ra*(Rb + Rf)))/(Ra*(Rd*Re + Rb*(Rc + Rd + Re) + Rd*Rf + Re*Rf + Rc*(Re + Rf)) + Rc*(Re*Rf + Rd*(Re + Rf)) + Rb*(Re*Rf + Rc*(Rd + Rf) + Rd*(Re + Rf))));
(4, 6) => (-1)*((2*Rd*((Ra + Rc)*Re + Rb*(Rc + Re)))/(Ra*(Rd*Re + Rb*(Rc + Rd + Re) + Rd*Rf + Re*Rf + Rc*(Re + Rf)) + Rc*(Re*Rf + Rd*(Re + Rf)) + Rb*(Re*Rf + Rc*(Rd + Rf) + Rd*(Re + Rf))));
(5, 1) => (2*Re*(Rb*Rd - Rc*Rf))/(Ra*(Rd*Re + Rb*(Rc + Rd + Re) + Rd*Rf + Re*Rf + Rc*(Re + Rf)) + Rc*(Re*Rf + Rd*(Re + Rf)) + Rb*(Re*Rf + Rc*(Rd + Rf) + Rd*(Re + Rf)));
(5, 2) => (2*Re*(Ra*(Rc + Rd) + Rc*(Rd + Rf)))/(Ra*(Rd*Re + Rb*(Rc + Rd + Re) + Rd*Rf + Re*Rf + Rc*(Re + Rf)) + Rc*(Re*Rf + Rd*(Re + Rf)) + Rb*(Re*Rf + Rc*(Rd + Rf) + Rd*(Re + Rf)));
(5, 3) => (-1)*((2*Re*(Ra*(Rb + Rf) + Rb*(Rd + Rf)))/(Ra*(Rd*Re + Rb*(Rc + Rd + Re) + Rd*Rf + Re*Rf + Rc*(Re + Rf)) + Rc*(Re*Rf + Rd*(Re + Rf)) + Rb*(Re*Rf + Rc*(Rd + Rf) + Rd*(Re + Rf))));
(5, 4) => (-1)*((2*Re*((Rb + Rc)*Rf + Ra*(Rb + Rf)))/(Ra*(Rd*Re + Rb*(Rc + Rd + Re) + Rd*Rf + Re*Rf + Rc*(Re + Rf)) + Rc*(Re*Rf + Rd*(Re + Rf)) + Rb*(Re*Rf + Rc*(Rd + Rf) + Rd*(Re + Rf))));
(5, 5) => 1 - (2*Re*((Rb + Rc)*(Rd + Rf) + Ra*(Rb + Rc + Rd + Rf)))/(Ra*(Rd*Re + Rb*(Rc + Rd + Re) + Rd*Rf + Re*Rf + Rc*(Re + Rf)) + Rc*(Re*Rf + Rd*(Re + Rf)) + Rb*(Re*Rf + Rc*(Rd + Rf) + Rd*(Re + Rf)));
(5, 6) => (2*((Rb + Rc)*Rd + Ra*(Rc + Rd))*Re)/(Ra*(Rd*Re + Rb*(Rc + Rd + Re) + Rd*Rf + Re*Rf + Rc*(Re + Rf)) + Rc*(Re*Rf + Rd*(Re + Rf)) + Rb*(Re*Rf + Rc*(Rd + Rf) + Rd*(Re + Rf)));
(6, 1) => (-1)*((2*(Rc*Re + Rb*(Rc + Rd + Re))*Rf)/(Ra*(Rd*Re + Rb*(Rc + Rd + Re) + Rd*Rf + Re*Rf + Rc*(Re + Rf)) + Rc*(Re*Rf + Rd*(Re + Rf)) + Rb*(Re*Rf + Rc*(Rd + Rf) + Rd*(Re + Rf))));
(6, 2) => (-1)*((2*(Rc*Rd + Ra*(Rc + Rd + Re))*Rf)/(Ra*(Rd*Re + Rb*(Rc + Rd + Re) + Rd*Rf + Re*Rf + Rc*(Re + Rf)) + Rc*(Re*Rf + Rd*(Re + Rf)) + Rb*(Re*Rf + Rc*(Rd + Rf) + Rd*(Re + Rf))));
(6, 3) => (2*(Rb*Rd - Ra*Re)*Rf)/(Ra*(Rd*Re + Rb*(Rc + Rd + Re) + Rd*Rf + Re*Rf + Rc*(Re + Rf)) + Rc*(Re*Rf + Rd*(Re + Rf)) + Rb*(Re*Rf + Rc*(Rd + Rf) + Rd*(Re + Rf)));
(6, 4) => (-1)*((2*((Ra + Rc)*Re + Rb*(Rc + Re))*Rf)/(Ra*(Rd*Re + Rb*(Rc + Rd + Re) + Rd*Rf + Re*Rf + Rc*(Re + Rf)) + Rc*(Re*Rf + Rd*(Re + Rf)) + Rb*(Re*Rf + Rc*(Rd + Rf) + Rd*(Re + Rf))));
(6, 5) => (2*((Rb + Rc)*Rd + Ra*(Rc + Rd))*Rf)/(Ra*(Rd*Re + Rb*(Rc + Rd + Re) + Rd*Rf + Re*Rf + Rc*(Re + Rf)) + Rc*(Re*Rf + Rd*(Re + Rf)) + Rb*(Re*Rf + Rc*(Rd + Rf) + Rd*(Re + Rf)));
(6, 6) => 1 - (2*(Rc*(Rd + Re) + Ra*(Rc + Rd + Re) + Rb*(Rc + Rd + Re))*Rf)/(Ra*(Rd*Re + Rb*(Rc + Rd + Re) + Rd*Rf + Re*Rf + Rc*(Re + Rf)) + Rc*(Re*Rf + Rd*(Re + Rf)) + Rb*(Re*Rf + Rc*(Rd + Rf) + Rd*(Re + Rf)));
(i, j) => 10;
};
matrix(M,N,f) = si.bus(N) <: ro.interleave(N,M) : par(n,N, par(m,M,*(f(m+1,n+1)))) :> si.bus(M);
};
};
};
capacitorMobius(i, C, aM, bM, cM, dM) = genericNode_output_I(i, f, upPortRes)
with{
f(a) = a*sF <: _, _'*sB : (_, _, _ :> _)~(_'*sB*sB)
with{
sB = (-1)*(aM*dM+bM*cM)/(2*aM*cM);
sF = (aM*dM-bM*cM)/(2*aM*cM);
};
upPortRes = cM/C*aM;
};
process = pultec*200;
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