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ZZZ{
classvar <cvMinLFO = -2.5,
< cvMaxLFO = 2.5,
< cvMinADSR = 0.0,
< cvMaxADSR = 8.0,
< cvMinTriggerGateClock = 0.0,
< cvMaxTriggerGateClock = 5.0,
< ampToVACConst = 6.8925;
var <channels;
*new{
arg channels;
^super.newCopyArgs(channels).init;
}
init{
("Using the following channels:").postln;
channels.postln;
}
*initClass{
StartUp.add{
//adding synth for percussive environments (trigger, gate, clock)
SynthDef(\ZZZPerc, { |out = 0, freq = 20000, amp = 0.0, attack = 0.001, release = 1, time = 1, curve = -4|
var signal, envelope;
envelope = EnvGen.kr(Env.perc(attack, release, amp, curve), doneAction: 2);
signal = SinOsc.ar(freq, 0, envelope);
Out.ar(out, signal);
}).add;
// adding synth for note environments (adsr, v/o)
SynthDef(\ZZZHold, { |out = 0, freq = 20000, amp = 0.0|
var signal;
signal = SinOsc.ar(freq, 0, amp);
Out.ar(out, signal);
}).add;
}
}
/**
* Calculates voltage for supplied amplitude.
* Linear until ampToVACConst, exponential above.
* Maximum voltage: 7.68096 VAC
* @return voltage that corresponds to the amplitude supplied.
*/
*ampToVAC{
arg amplitude;
var voltage;
if((amplitude <= 1.0), {
voltage = amplitude * ampToVACConst;
},{
voltage = amplitude.lincurve(1.0, 2.5, ampToVACConst, 7.7, -4, nil);
});
^voltage;
}
/**
* Calculates amplitude for supplied voltage.
* Linear until ampToVACConst.
* Maximum amplitude output: 2.2
* @return amplitude needed to achieve the voltage supplied.
*/
*vacToAmp{
arg voltage;
var amplitude;
if((voltage <= ampToVACConst), {
amplitude = voltage/ampToVACConst;
},{
amplitude = voltage.curvelin(ampToVACConst, 7.7, 1.0, 2.5, -4, \max);
});
^amplitude;
}
/**
* Calculates voltage for supplied frequency.
* Frequencies below 27.5Hz will return 0.
* @return voltage for corresponding frequency
*/
*hzToVAC{
arg frequency;
var voltage;
if(frequency < 27.5, {
voltage = 0;
},{
voltage = frequency.explin(55, 880, 1.0, 5.0, nil);
});
^voltage;
}
/**
* Calculates frequency for supplied voltage.
* Voltages below 0 will return 27.5Hz
* @return frequency for corresponding voltage
*/
*vacToHz{
arg voltage;
var frequency;
if(voltage < 0, {
frequency = 27.5;
},{
frequency = voltage.linexp(1.0, 5.0, 55, 880, nil);
});
^frequency;
}
/**
* Calculates amplitude for supplied frequency.
* Wraps call to hzToVAC -> vacToAmp
* @return amplitude for corresponding frequency
*/
*hzToAmp{
arg frequency;
^this.vacToAmp(this.hzToVAC(frequency));
}
/**
* Calculates frequency for supplied amplitude.
* Wraps call to ampToVAC -> vacToHz
* @return frequency for corresponding amplitude
*/
*ampToHz{
arg amplitude;
^this.vacToHz(this.ampToVAC(amplitude));
}
}
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