National foreword
Cooperating organizations
Methods
1 Scope
2 Diameter of the headwheel (or drum)
3 Projection of video head pole tips
4 Radius of curvature of the vacuum guide
5 Longitudinal pitch of the video tracks
6 Position of recorded vertical synchronisation signal
7 Coplanarity error of video heads
8 Video track curvature
9 Location of control track record along the tape
10 Jitter of reproduced picture
11 Velocity errors: applicable to PAL and NTSC
12 Video signal-to-noise ratio
13 Differential gain
14 Differential phase
15 Moire
16 Measuring methods applicable to other subjects
References
Figures
1 Method of measurement of the radius of curvature of
the vacuum guide
2 Method of measurement of video-track curvature for
helical-scan recorders