The invention further relates to a corresponding processing device and {HEAD ~ a listening device} with {TAIL ~ such a processing device} 
with
The invention further relates to a corresponding processing device and { HEAD ~ a listening device } with { TAIL ~ such a processing device }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL