User Manual

Film-Related Log Information
152
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For 24p projects, you can set a default pulldown phase in the Film and 24p Settings dialog box.
See “Setting the Pulldown Phase” on page 149 (24p projects only).
For matchback projects, you need to log key-number information before you can log pulldown
information.
If you specify the pulldown phase in the Pullin column, you accomplish the following:
• You ensure that clips start with the correct frame for the pulldown. Otherwise, you might
experience inaccuracies in key-number tracking and in the cut lists.
• You indicate where the pulldown fields are located so your Avid editing application can
accurately eliminate the pulldown fields during capture. This leaves you with a
frame-to-frame correspondence between your digital media and the original 24-fps footage
(24p projects only).
To do this, you must indicate whether the sync point at the start of each film clip transferred to
tape is an A, B, C, or D frame, as described in “Determining the Pulldown Phase” on page 152
and “Modifying the Pulldown Phase Before Capturing” on page 154.
In most cases, the sync point is the A frame.
Start timecode column (left) and Pullin column (right) in the bin
Determining the Pulldown Phase
It is easiest to determine the pulldown of a sync point (or pulldown phase) if you ask your film
lab to keypunch (cut a small hole in) the sync frame at the zero frame in the original film footage
before you transfer the film to video. Many film labs or transfer houses can also provide a
pulldown frame indicator which displays at the far right of the burn-in key numbers, depending
on the equipment available. The A-frame pulldown coincides with timecode ending in 0 and 5
(:00, :05, :10, and so on).