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