The scaling system applies {HEAD ~ a real scale factor} to {TAIL ~ contiguous sets} of excursion samples in order to optimize peak reduction performance 
to
The scaling system applies { HEAD ~ a real scale factor } to { TAIL ~ contiguous sets } of excursion samples in order to optimize peak reduction performance
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH