The method 1, wherein {HEAD ~ the suppressing} further comprises subtracting {TAIL ~ a narrow band suppression signal} from said mixed signal 
comprises subtracting
The method 1 , wherein { HEAD ~ the suppressing } further comprises subtracting { TAIL ~ a narrow band suppression signal } from said mixed signal
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH