evertz 4025 Instruction Manual page 22

Film footage encoder
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OVERVIEW
reference is necessary, even if vertical interval time code is not being
used.
WHITE FLAG: A white pulse recorded on one or more lines in the vertical interval
on the first video field of a new picture. This pulse is normally used on
24 frame per second transfers to NTSC video that will end up on video
disc recorders. This pulse allows the disc recorder to match the disc
frames to the 2/3 pulldown automatically, ensuring jitter free playback
when the recorder is parked on a single frame.
SMPTE:
Refers to the Society of Motion Picture and Television Engineers.
EBU:
Refers to the European Broadcasting Union
Model 4025 Film Footage Encoder Manual
Page 1-6

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