where {HEAD ~ U} and V are integers for delimiting a predetermined frequency region to determine the feature vector f of {TAIL ~ the organ} 
where { HEAD ~ U } and V are integers for delimiting a predetermined frequency region to determine the feature vector f of { TAIL ~ the organ }
OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL