Apple Final Cut Express 4 - Manual (Page 453)

Chapter 31 Split Edits 453
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3 Set a single split video In point in the Canvas or Timeline at the place where you want
the video of your source clip to start.
4 Drag the clip in the Viewer to the Overwrite section of the Edit Overlay in the Canvas.
The resulting edit looks like this:
Example: Simple Edit in the Viewer and a Split Edit in the Canvas
If you set simple edit points in the Viewer and a split edit in the Canvas or Timeline,
Final Cut Express lines up the In point of the clip in the Viewer with the corresponding
split audio or split video In point that you set in the Canvas or Timeline. This method
can be used to backtime a split edit, as well.
1 Set an In point in your clip in the Viewer.
2 Set an Out point in your clip in the Viewer.
Split video In point
Audio precedes the video.
Video begins at the
In point you set.
The resulting edit points
look like this.