
Trimming a clip involves setting its in and out points so that only part of the original source contributes to the clip.
There are three ways to trim a clip, depending on which method you prefer to use:
To trim ShotClips interactively

To trim ShotClips using the Trim Before and Trim After commands
Choose Clip
Trim Before Current Frame (or press [ ) or Trim After (or press ]), from the Camera Sequencer Editor menu bar, to trim before or after the position
of the playback cursor, respectively.
The tail end gets clipped with Trim After, and the head gets trimmed with Trim Before.
To trim ShotClips using Clip In and Clip Out commands
Clip In at Current Frame or Clip Out at Current Frame, from the Camera Sequencer Editor menu bar, to set the In and Out points of a ShotClip before or after the position of the
playback cursor, respectively.
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