The image generation unit reads {HEAD ~ the timing data} from {TAIL ~ the timer} and, by consulting the phoneme and timing data, determines the position of the phoneme currently being audibilized 
from
The image generation unit reads { HEAD ~ the timing data } from { TAIL ~ the timer } and , by consulting the phoneme and timing data , determines the position of the phoneme currently being audibilized
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH