Apple Final Cut Express 4 - Manual (Page 611)

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Mixing Audio
in the Timeline and Viewer
You can control audio levels and pan in the Timeline
and the Viewer. You can make adjustments to multiple clips
at once, as well as add keyframes to automate mixing levels
over time.
This chapter covers the following:
 Adjusting Audio Levels in the Timeline and Viewer (p. 611)
 Panning Audio in the Timeline and Viewer (p. 618)
 Adjusting Clip Audio Levels and Pan Using Keyframes (p. 622)
Adjusting Audio Levels in the Timeline and Viewer
You can adjust audio levels directly in the Timeline or in the Viewer.
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 clip
overlays in the Timeline to display the audio level and pan overlays. Displaying audio
waveforms is also useful for audio mixing in the Timeline.