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