Decrease the audio level over time using keyframes:
1Position the playhead where you want the audio level to begin to decrease, somewhere near the end of the clip.
Position the playhead here.
2Click the Level Keyframe button to add a keyframe to the clip at the position of the playhead.
3Press End to position the playhead at the end of the clip, where you want the audio to reach a minimum level.
4Click the Level Keyframe button to add a keyframe to the clip.
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Chapter 6 Working with Audio
