User Manual

Mixing Frame Rates and Field Motion Types
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Performing a Replace Edit
The Replace Edit button (blue) replaces a clip in the sequence (video, audio, or both) with new
source material, while maintaining the original In and Out points of the previous edit.
A replace edit. Clip 4 replaces clip 3 and maintains the IN and OUT points for the original edit.
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By default, the Replace Edit button is located on the Edit tab of the Command Palette. You can
use it from the Command Palette or map it to a monitor palette. For information about mapping
buttons, see “Understanding Button Mapping” on page 97.
To perform a replace edit:
1. Move the position indicator to select a sync frame in the source clip.
The frame displays in the monitor.
The sync frame can be an In point, Out point, or any frame in between that you want to sync
to a frame in the existing clip in the sequence.
2. Move the position indicator to select the sync frame in the sequence for the edited segment
that you want to replace.
3. Click the Replace Edit button (blue).
The system calculates In and Out points for the source material by using the sync frames and
the existing In and Out points in the sequence for the previously edited clip that you want to
replace.
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When you select the tracks you want, check the durations before you perform the edit. If you
replace a clip in an overlap edit and the position indicator falls within the overlap, you might
end up replacing the wrong material unless you select the entire segment you want to replace.
See “Selecting and Deselecting Segments” on page 652.
Mixing Frame Rates and Field Motion Types
You can work with clips of any frame rate or field motion type (interlaced or progressive) in a
project, regardless of the project’s type. For example, you can work with 30i clips in a 24p
project. In your Avid editing application and in this documentation, clips that do not match the
frame rate or field motion type of the project are known as mixed rate clips.
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12 3
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