The present invention provides {HEAD ~ apparatus} for calculating {TAIL ~ the skew distortion} introduced in each channel of a multi channel longitudinal recorder when recorded information signals in at least two channels contain a detectable characteristic 
for calculating
The present invention provides { HEAD ~ apparatus } for calculating { TAIL ~ the skew distortion } introduced in each channel of a multi channel longitudinal recorder when recorded information signals in at least two channels contain a detectable characteristic
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH