Apple Final Cut Express HD - Manual (Page 601)

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Mixing Audio
in the Timeline and Viewer
You can control audio levels and pan in the Timeline or in
the Viewer. You can also make adjustments to multiple clips at
once and add keyframes to automate mixing levels over time.
This chapter covers the following:
 Adjusting Audio Levels in the Timeline (p. 601)
 Panning Audio in the Timeline and Viewer (p. 607)
 Adjusting Clip Levels and Pan Using Keyframes (p. 610)
Adjusting Audio Levels in the Timeline
Changing audio levels directly in the Timeline is fast, and is especially useful when you
need to mix the levels of clips relative to other clips playing at the same time. For
example, if you want to raise and lower the volume of a music clip to correspond with a
voiceover recording, you can see how the narrator’s dialogue lines up with the music
clips if you turn on audio waveforms in the Timeline. That way, you can easily see
exactly where you need to set your keyframes to achieve the desired levels.
To use all the commands and tools described in this section, you need to turn on the
Clip Overlays control in the Timeline to display the volume and pan overlays. Displaying
audio waveforms is also useful for audio mixing in the Timeline.
To display clip overlays in the Timeline:
1 Open a sequence in the Timeline, then choose Sequence > Settings.
2 Click the Timeline Options tab, then select the Show Keyframe Overlays checkbox.
You can also toggle the Clip Overlays control in the Timeline.