{TAIL ~ a delay processing part} for delaying the output speech signal in {HEAD ~ accordance} with the delay amount detected by the wraparound delay amount detecting part, 
{ TAIL ~ a delay processing part } for delaying the output speech signal in { HEAD ~ accordance } with the delay amount detected by the wraparound delay amount detecting part ,
TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH