scheduling some of said transport packets for output in a time slot of {HEAD ~ an outputted transport stream} depending on {TAIL ~ a predetermined delay}, each of said time slots occurring approximately at a dispatch time as indicated by a local clock, 
depending on
scheduling some of said transport packets for output in a time slot of { HEAD ~ an outputted transport stream } depending on { TAIL ~ a predetermined delay } , each of said time slots occurring approximately at a dispatch time as indicated by a local clock ,
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL 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