{HEAD ~ The output audio signal} is then applied to a compressor amplifier circuit for {TAIL ~ application} to the ear of a handicapped user 
is applied for
{ HEAD ~ The output audio signal } is then applied to a compressor amplifier circuit for { TAIL ~ application } to the ear of a handicapped user
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL OTH REL OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH