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