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