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