Also, {HEAD ~ the present invention} reduces the conversion time by structuring {TAIL ~ the bit streams} into a GOP 
Also , { HEAD ~ the present invention } reduces the conversion time by structuring { TAIL ~ the bit streams } into a GOP
OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH