Vox enim mutationibus cum flectitur, alias fiat acuta, alias gravis; duobusque modis movetur, e quibus unus effectus habet continuatos, alter distantis.
For when the voice is changed and modulated it may sometimes become high, sometimes low. It moves in two manners, of which one is continuous, the other by intervals.
final_alignments\Vitruvius_Architecture_Book_5.json