The apparatus 9, wherein said conversion means arranges said first field and said {HEAD ~ second field} in separate areas in {TAIL ~ one frame} 
The apparatus 9 , wherein said conversion means arranges said first field and said { HEAD ~ second field } in separate areas in { TAIL ~ one frame }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL