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