However, in a preferred embodiment of the invention, {TAIL ~ the method} is adapted for processing an audio signal in {HEAD ~ a listening device} 
However , in a preferred embodiment of the invention , { TAIL ~ the method } is adapted for processing an audio signal in { HEAD ~ a listening device }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD