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ZZZ{
classvar <cvMinLFO = -2.5,
< cvMaxLFO = 2.5,
< cvMinADSR = 0.0,
< cvMaxADSR = 8.0,
< cvMinTriggerGateClock = 0.0,
< cvMaxTriggerGateClock = 5.0,
< noteVoltageRangeMin = -5.0,
< noteVoltageRangeMax = 7.0,
< noteCpsRangeMin = 4.088,
< noteCpsRangeMax = 16744.036;
var <channels, <server;
*new{
arg channels, server;
^super.newCopyArgs(channels, server);
}
*initClass{
StartUp.add{
SynthDef(\ZZZGate, {|bus = 0, in = 1.0, out = 0|
OffsetOut.ar(
out,
DC.ar(in: in) * In.kr(bus)
);
}).add;
SynthDef(\ZZZClock, { |out = 0, bus = 0, iphase = 0, width = 0.5, mul = 1.0, add = 0.0|
OffsetOut.ar(out, LFPulse.ar(In.kr(bus), iphase, width, mul, add));
}).add;
SynthDef(\ZZZClockKorg, { |out = 0, bus = 0, iphase = 0, width = 0.5, mul = 1.0, add = 0.0|
OffsetOut.ar(out, LFPulse.ar(In.kr(bus) * 2, iphase, width, mul, add));
}).add;
// TODO: revise mapping of ranges and how to shift reference point
// NOTE: https://kentonuk.com/support/midi-to-cv/
// NOTE: https://soundprogramming.net/file-formats/midi-note-frequencies/
// NOTE: https://web.archive.org/web/20100409063540/http://www.users.globalnet.co.uk/~concuss/mcvbeg.htm
SynthDef(\ZZZCV, { |out = 0, freq = 1, gate = 1, attackTime = 0.01, susLevel = 1.0, releaseTime = 0.3, midiAmpVO = 0.0, midiAmpHV = 0.0, freqAmpVO = 0.0, freqAmpHV = 0.0|
// midi to V/O (C-1 - G9)
var midiVO = LinLin.kr(in: freq, srclo: 0, srchi: 127, dstlo: -0.1, dsthi: 0.96666) * midiAmpVO,
// midi to Hz/V (C-1 - C5)
midiHV = LinExp.kr(in: freq, srclo: 0, srchi: 72, dstlo: 0.00625, dsthi: 0.8) * midiAmpHV,
// frequency to V/O (C-1 - G9)
freqVO = LinLin.kr(in: freq, srclo: 8.176, srchi: 12543.850, dstlo: -0.1, dsthi: 0.96666) * freqAmpVO,
// frequency to Hz/V (C-1 - C5)
freqHV = LinExp.kr(in: freq, srclo: 8.176, srchi: 523.251, dstlo: 0.00625, dsthi: 0.8) * freqAmpHV;
OffsetOut.ar(
out,
// TODO: revise envelope to become more flexible
DC.ar(in: midiVO + midiHV + freqVO + freqHV) * Linen.kr(gate: gate, attackTime: attackTime, susLevel: susLevel, releaseTime: releaseTime, doneAction: Done.freeSelf)
);
}, variants: (
freqVO: [\freqAmpVO: 1.0],
freqHV: [\freqAmpHV: 1.0],
midiVO: [\midiAmpVO: 1.0],
midiHV: [\midiAmpHV: 1.0],
)).add;
SynthDef('ZZZVCO', {|out = 0, freq = 440, iphase = 0.0, width = 0.0, mul = 1.0, add = 0.0, triAmp = 0.0, pulseAmp = 0.0, sawAmp = 0.0, sineAmp = 0.0|
var triangle = LFTri.ar(freq: freq, iphase: iphase, mul: mul, add: add) * triAmp,
pulse = LFPulse.ar(freq: freq, iphase: iphase, width: width, mul: mul, add: add) * pulseAmp,
saw = LFSaw.ar(freq: freq, iphase: iphase, mul: mul, add: add) * sawAmp,
sine = SinOsc.ar(freq, 0, 0.5) * sineAmp;
OffsetOut.ar(
out, triangle + pulse + saw + sine
)
}, variants: (
triangle: [mul: 0.5, add: 0.0, triAmp: 1.0],
pulse: [width: 0.5, mul: 1.0, add: -0.5, pulseAmp: 1.0],
saw: [mul: 0.5, add: 0.0, sawAmp: 1.0],
sine: [mul: 0.5, add: 0.0, sineAmp: 1.0],
sawsine: [mul: 0.5, add: 0.0, sineAmp: 0.5, sawAmp: 0.5],
)).add;
}
}
/**
* Calculates voltage for supplied amplitude.
* Maximum: 10
* Minimum: -10
* @return voltage that corresponds to the amplitude supplied.
*/
*amplitudevoltage{
arg amplitude;
var voltage = 0.0;
if((amplitude == 0.0), {
^voltage;
},{
voltage = amplitude*10.0;
if(voltage < -10.0, {
^(-10.0);
});
if(voltage > 10.0, {
^(10.0);
});
^voltage;
});
}
/**
* Calculates amplitude for supplied voltage.
* Maximum: 1.0
* Minimum: -1.0
* @return amplitude needed to achieve the voltage supplied.
*/
*voltageamplitude{
arg voltage;
var amplitude = 0.0;
if((voltage == 0.0), {
^amplitude;
},{
amplitude = voltage/10.0;
if(amplitude < -1.0, {
^(-1.0);
});
if(amplitude > 1.0, {
^(1.0);
});
^amplitude;
});
}
/**
* Calculates voltage for supplied cycles per second.
* @return voltage for corresponding cycles per second
*/
*cpsvoltage{
arg cps;
if(cps < noteCpsRangeMin, {
cps = noteCpsRangeMin;
});
if(cps > noteCpsRangeMax, {
cps = noteCpsRangeMax;
});
^cps.explin(noteCpsRangeMin, noteCpsRangeMax, noteVoltageRangeMin, noteVoltageRangeMax);
}
/**
* Calculates cycles per second for supplied voltage.
* @return cycles per second for corresponding voltage
*/
*voltagecps{
arg voltage;
if(voltage < noteVoltageRangeMin, {
voltage = noteVoltageRangeMin;
});
if(voltage > noteVoltageRangeMax, {
voltage = noteVoltageRangeMax;
});
^voltage.linexp(noteVoltageRangeMin, noteVoltageRangeMax, noteCpsRangeMin, noteCpsRangeMax);
}
/**
* Calculates amplitude for supplied frequency.
* @return amplitude for corresponding frequency
*/
*cpsamp{
arg cps;
^this.voltageamplitude(this.cpsvoltage(cps));
}
/**
* Calculates frequency for supplied amplitude.
* @return frequency for corresponding amplitude
*/
*ampcps{
arg amplitude;
^this.voltagecps(this.amplitudevoltage(amplitude));
}
/**
* Calculates amplitude for supplied midi note.
* @return amplitude for corresponding midi note, nil if < 0 or > 127
*/
*midiamp{
arg midi;
if((midi < 0 ) || (midi >127), {
^nil;
},{
^this.voltageamplitude(this.cpsvoltage(midi.midicps));
});
}
/**
* Calculates midi note for supplied amplitude.
* @return midi note for corresponding amplitude, nil if amplitude is not
* within the allowed octave range
*/
*ampmidi{
arg amplitude;
if((amplitude <= ((noteVoltageRangeMin+1)/10)) || (amplitude > (((noteVoltageRangeMax-1)+(1/12*7))/10)), {
^nil;
},{
^this.voltagecps(this.amplitudevoltage(amplitude)).cpsmidi;
});
}
}
|