Apple Final Cut Pro 5 - Manual (Page 910)

Chapter 7 Mixing Audio in the Timeline and Viewer 123
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 Pan Keyframe button: This button, to the right of the Pan slider, places a pan
keyframe at the current playhead location on the pan overlay. These keyframe
markers can be used in preparation for dynamically panning an audio clip’s output
from one stereo channel to another.
 Pan keyframe navigation buttons: These buttons, to the left and right of the Pan
Keyframe button, allow you to move the playhead forward or backward from one
keyframe on the pan overlay to the next.
 Reset button: This button deletes all marked keyframes on both the level overlay and
the pan overlay of the currently selected audio track, and resets both to their original
values (0 dB for the audio level, and –1 for the pan level).
Until you create at least one volume or pan keyframe in your audio clip, changes you
make affect the level or stereo placement of your entire clip. While you need two
keyframes to do anything useful, once you set the first volume or pan keyframe, any
changes you make to the keyframed levels anywhere else in the clip generate
additional keyframes.
To set a keyframe, do one of the following:
m Move the playhead in the Viewer to the place where you want to set a keyframe, then
click the Level or Pan Keyframe button.
m Select the Selection tool (or press A), then press the Option key and move the pointer
over the level overlay. The pointer turns into the Pen tool. Click a level overlay with the
Pen tool to add a keyframe at that point.
The keyframe appears as a small diamond on the overlay.
A keyframe appears at the
location of the playhead.
Pen tool