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Time Code
80
12. Time Code
In modern electronic post-production time code is often
used today. Quartz-synchronized film, sound and
video recordings have been made possible through the
use of equipment with TC-capability.
The ARRIFLEX 16SR 3 is equipped with a TC generator
which produces 80bit time code corresponding to
SMPTE RP136, Format Type C. The TC generator can
be set using the CCU or a master clock. The precision
of the TC generator ensures that for 8 hours after the
synchronization (at 0°C - 50°C) the difference remains
less than one frame. Every frame is therefore clearly
identifiable for synchronization or editing lists. After 8
hours a further synchronization process should be
carried out.
With the TC-Output the ARRIFLEX 16SR 3 can also take
on the master clock function in a TC system.
TC recording is still active when the camera is
synchroinized using the external synchronization unit
ESU on a video monitor. The maximum difference
between the frame rate of the external synchronization
and the TC frame rate is 1%.
Time code is recorded in the magazine corresponding
to SMPTE RP114 at standard speeds 24,00/25,00/
29,97/30,00 fps and at 23,976 fps.
The TC information also includes speed of recording
which is described in connection with time code as
frame rate. For the ARRIFLEX 16SR 3 the valid frame
rate is always the most recently set standard speed.
TC-Indication on the Display
The TC symbol has the following meaning: