Perhaps the most common thing anyone does to audio tracks is adjust the volume. As you preview your project, you may notice that the background music seems a little too loud or the narration isn’t loud enough. You may also have sounds in the main...

Adding audio to the timeline is pretty easy. Record and import your and then simply drag-and-drop it to an audio track.Video Sound effects Background music You can move clips by dragging them left or right in their respective tracks, and you can trim them by dragging on the edges. In fact, you’ll find that editing audio tracks is a lot like editing video tracks. Sometimes you’ll want to edit main audio independently of the video clip with which it is associated. In iMovie, first extract main audio from the video clip by selecting the clip and choosing Advanced>Extract Audio. In Studio, click the track header on the left side of the timeline to lock either the main video or main audio track. When the main video track...

A movie program can play several sources of audio at once. For example, while you hear the audio that was recorded with a video clip, you may also hear a musical soundtrack and some narration that was recorded later. When you’re working on a movie...