Assigning tracks in the timeline to audio outputs, How audio outputs are assigned automatically, Matching audio outputs to clip items in – Apple Final Cut Pro 6 User Manual
Page 828: The timeline
Chapter 2
Assigning Output Channels and External Audio Monitors
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Assigning Tracks in the Timeline to Audio Outputs
You can assign each track in your sequence to an audio output. Tracks can be assigned
to audio outputs in the Timeline or the Audio Mixer. For more information about
assigning audio outputs in the Audio Mixer, see “
To assign a sequence track to an audio output in the Timeline:
1
In the Timeline, identify a track you want to assign to an audio output.
2
Control-click the Lock Track, Auto Select, or Track Visibility control; choose Audio
Outputs from the shortcut menu; then choose an output bus from the submenu.
The track is now assigned to the audio output bus you chose.
Matching Audio Outputs to Clip Items in the Timeline
You can use the Match Audio Outputs command to automatically configure your audio
outputs to match the configuration of audio clip items in the Timeline. Using the Match
Audio Outputs command is more efficient than manually configuring outputs for mono
and stereo clip items in your sequence. For example, if you edit a six-channel audio clip
representing a 5.1-channel surround sound mix into your sequence, you can select it
and tell Final Cut Pro to assign the proper audio outputs for monitoring.
How Audio Outputs Are Assigned Automatically
Final Cut Pro automatically configures audio output busses according to the selected
linked clip items in your sequence. This feature is often used with 5.1-channel surround
sound clips, but keep in mind that Final Cut Pro supports only the following 5.1-channel
surround sound format:
 Tracks 1 and 2: Left and right
 Track 3: Center
 Track 4: Low-frequency effects (LFE)
 Tracks 5 and 6: Left surround and right surround
Based on the clip items above, the Match Audio Outputs command would create the
following audio output bus groups: stereo 1 and 2 (left and right), mono 3 (center),
mono 4 (LFE), and stereo 5 and 6 (left surround and right surround).
Choose an audio output
bus from the submenu.