The speakers speech signal emphasizing {TAIL ~ part} 26 conducts {HEAD ~ synchronous addition processing} of a speakers speech signal among the input speech signals inputted through the microphones 20′a and 20′b, and emphasizes the speakers speech signal 
The speakers speech signal emphasizing { TAIL ~ part } 26 conducts { HEAD ~ synchronous addition processing } of a speakers speech signal among the input speech signals inputted through the microphones 20′a and 20′b , and emphasizes the speakers speech signal
OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL 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 OTH OTH OTH OTH OTH OTH