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