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Making Tracks with QuickTime > Extract a QuickTime Movie's Tracks - Pg. 20

QuickTime Pro: Making It All Happen 1. 2. 3. 20 4. 5. Select All. Use this to select all the frames in a movie. Select None. Use this to quickly unselect any selection. Add. This command adds a track onto a movie. For example, if you create some text in a word processor, copy it, move back to QuickTime Player, and choose Add, a text track will be added to the movie. Add Scaled. The Add Scaled command scales what you paste to the selection in which you are pasting it. For example, if you add a sound track to a movie, the sound will play for its default length. If you use the Add Scaled command instead, it will be scaled so that it plays only as long as the frames that you have selected do when you paste it. Replace. When you use this command, frames that you have copied or cut replace the frames that are currently selected (instead of being added to them as the Paste command does). Making Tracks with QuickTime QuickTime movies can contain multiple tracks, where each track contains certain information. For example, a movie can have a video track, a text track, and a soundtrack. You can also have multiple tracks of the same type in a single movie, or you can have a movie with only one track (for example, a soundtrack can be its own "movie"). Using QuickTime Pro, you can manipulate the individual tracks of a movie. For example, you can add new tracks to a movie. When you play a movie, you can enable or disable tracks to make them play or to hide them, respectively. Enable or Disable a QuickTime Movie's Tracks