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