Setting Clip Duration
Within the timeline click the Duration button (or right click on the clip and select Set Duration) to set the amount of time photos, title effects, and PiP media are displayed, or how long a transition takes to complete.
You can also change the duration of the above mentioned media or for trimmed video clips, by selecting the clip and then dragging the end of the clip to the desired duration.
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Note: you can only lengthen a video clip back to its original duration and transitions to half the duration of the shortest clip they affect. |