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A common component for the modular synthesist is a CV quantiser - a module that maps a continuously varying CV into a voltage corresponding to a note on a predefined scale for pitch generation.
If we assume a normal Equal Temperament Scale of 5 octaves between 0 and 5 V (for example), this represents 12 half tones per octave (or per volt). This is 60 steps which can be represented in 6 bits (2<sup>6</sup> = 64 steps). Many cost-effective
Of course, having seen how easy it is to design a simple quantiser, it should be possible to see that, given 10- or 12-bits to play with, a more complex quantiser, supporting portamento and microtonal scale mappings, could be built without incurring any significant additional hardware cost.
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