an eleventh step which sets the first time ratio as {HEAD ~ the second time ratio} for {TAIL ~ the next reproducing control signal} and initialize the number of the speed detection signals 
for
an eleventh step which sets the first time ratio as { HEAD ~ the second time ratio } for { TAIL ~ the next reproducing control signal } and initialize the number of the speed detection signals
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH