Object tiar/filter/dis lphp1
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This is a barbaric name for an object that can mimic "waveshapers" used in some early string machines. This kind of device allowed to add even harmonics to a square wave input signal.
Basically it is a first order filter, sort of basic Resistor/Capacitor low pass filter, with an hint of "diodes". These "diodes" allow to have two different "charging/discharging resistors".
Here, you can control the charging and discharging "frequencies" freqUp freqDown.
You can control the type of "diode commutation":
- type = 0: rates switched on output sign (à la Salino)
- type = 64: rates switched on rising/decaying (à la Ralond)
And you can add a bias.
You have both "low pass" and "high pass" outputs.