Lesson 2
PRACTICE EXERCISE
1.
What type of scanning is referred to dual head recorders, using two rotating heads spaced 180
degrees apart?
a.
180-degree scanning
b.
Full helix
c.
Two-head helix
d.
Head drum scanning
2.
In which direction are oxide particles bonded on video tape made for helical scan video
recorders?
a.
Longitudinally
b.
Transversely
c.
Angular
d.
Reverse angular
3.
Besides the two audio tracks and the video track, what other track is recorded on the tape?
a.
Sinewave
b.
Picture track
c.
Control track
d.
Framing track
4.
How many tracks does a helical recorder need to record to get one field of information laid?
a.
16 tracks
b.
11 tracks
c.
6 tracks
d.
1 track
5.
What is the frequency recorded on the control track?
a.
15 Hz
b.
30 Hz
c.
45 Hz
d.
60 Hz
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