repeating {HEAD ~ the steps} of measuring, identifying and displaying at {TAIL ~ intervals} during the transforming of the elemental sound units to audio signals 
of measuring
repeating { HEAD ~ the steps } of measuring , identifying and displaying at { TAIL ~ intervals } during the transforming of the elemental sound units to audio signals
OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH