The acts described with reference to block 37 ensure that {TAIL ~ each} of the reformatted packets has a size that is within {HEAD ~ an upper bound}, and thus ensure that the CBR or near CBR representation does not exceed a maximum bit rate 
The acts described with reference to block 37 ensure that { TAIL ~ each } of the reformatted packets has a size that is within { HEAD ~ an upper bound } , and thus ensure that the CBR or near CBR representation does not exceed a maximum bit rate
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH