{HEAD ~ The recording} or reproduction is carried out for {TAIL ~ each unit} of information at a rate at which the maximum quantity of the digital image information in one group can be processed on real time basis 
is carried out for
{ HEAD ~ The recording } or reproduction is carried out for { TAIL ~ each unit } of information at a rate at which the maximum quantity of the digital image information in one group can be processed on real time basis
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL REL REL 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 OTH OTH OTH OTH OTH OTH