Apple Soundtrack Pro 3 - Manual (Page 194)

Making Changes in the File Editor and Hearing Them in the Timeline
When you arrange a multitrack project, you frequently need to edit and adjust individual
audio files, and immediately hear the results in the context of the larger multitrack
Timeline. You can do this by using the Timeline and File Editor in tandem.
To make changes in the File Editor and hear the results in the Timeline
1 With the File Editor tab active, select a clip in the Timeline that you would like to adjust.
The waveform for the clip appears in the File Editor.
2 Make adjustments and edits to the clip in the File Editor.
194 Chapter 7 Editing Audio in the Multitrack Timeline