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Livening Up Your Movie with Sound Effect... > Adding Your Own Sound Effects - Pg. 129

iMovie: The Swiss Army Knife of Digital Video Software 129 · To delete a sound effect from a movie, select it and press Delete. If the sound effect is one that came from the Audio palette, the sound effect remains available for you to add again. · You can add the same sound effect as many times as you'd like. You can also overlap sound effects. To do so, simply drag one effect on top of another. For example, to have lots of people clap, drag the Crowd Applause sound effect to the Timeline Viewer several times. At those moments where the sound effects overlap, all the overlapped sound effects will play. You can more easily manage overlapped sound effects by placing some in the Audio 1 track and others in the Audio 2 track. · To keep a sound effect in synch with the video, you should lock the sound effect in place. You'll learn how later in this chapter. · Unlike other sounds with which you will work, a sound effect's icon does not reflect the length of the sound effect. All sound effects have the same size icon. By visual clues, you can only tell where a sound effect will start, not where it will stop. To tell where it stops, preview the portion of the movie in which it occurs or use the Audio Selection information that appears at the top of the Timeline Viewer. Adding Your Own Sound Effects iMovie's built-in sound effects are fine, but you can add any audio clip as a sound effect in your movie. First, create an AIFF file that contains the sound that you want to use as a sound effect. You can do this with QuickTime or iTunes (see Chapter 9, "Converting Digital Media into the Formats You Need for Your Digital Lifestyle Projects" for the detailed steps to do this). Then import the sound into iMovie.