Loquelic Iteritas is a digital VCO with interpretations of three classic synthesis algorithms involving dual pitch control. It provides an extremely large space of sounds parameterized by four tone controls and two pitches.
As information about the module are very scarce and there is no manual (yet) we refer to the linked video which shows pretty well the sound possiblities.
We suppose that the module uses the synthesis algorithms vocal synthesis (VO) and phase modulation (PM) as well as a third snthesis method (abbreviated SS).
A switch selects if and which oscillator acts as a master – a type of sync maybe? Each oscillator’s frequency is set coarse and fine individually .
There are four voltage controlled parameters affecting the sound: Morph, Modulate, Fold and Damp. Modulate might be a type of cross modulation but often it resembles a wave multiplier which might interact with Fold. Damp probably is some kind of harmonic damping.