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Override
Temporarily allows the iris to be manually adjusted while in automatic
iris adjustment mode.
Shutter speed
The length of time for which the shutter stays open. The higher the
shutter speed, the more clearly a moving object can be shot.
S/N
Signal-to-Noise ratio. The ratio of the strength of the desired signal to
the accompanying electronic interference, the noise. If S/N is high,
sounds are reproduced with less noise and pictures are reproduced
clearly without snow.
Time code
A digitally encoded signal that is recorded on video tape to identify each
frame of video by hour, minute, second, and frame number. There are
A
two kinds of recorded signals: longitudinal time code (LTC) and vertical
interval time code (VITC).
Time code synchronization
To synchronize the built-in time code generator of video equipment such
as a VTR to an external time code.
User bits
Bits provided in the time code that the user can use to record such
information such as date, scene number, or reel number on video tape.
A-14
Appendix
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