Automatic filenaming during export to aiff files – Apple Final Cut Pro 6 User Manual
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And the sequence would look something like this:
Each of the 12 audio tracks can be assigned to one of the three pairs of output
channels. More than one track can be assigned to the same output channel, in which
case the audio from those tracks is mixed to a single audio file during export.
In this situation, using the Export Audio to AIFF(s) option creates three separate stereo
AIFF files. Each file corresponds to an audio output pair in your sequence and contains
the combined audio from all the audio tracks in your sequence assigned to that pair,
mixed together using the levels you set. All three of these files are exactly the same
duration. These three AIFF files can then be delivered, along with your program’s video,
to any audio post-production facility for remixing and mastering, if necessary.
Note: You can also use the Export Audio to AIFF(s) option to export a stereo downmix
of your sequence audio as a single stereo AIFF file. For more information, see “
the Export Audio to AIFF(s) Command
Automatic Filenaming During Export to AIFF Files
Each exported file is named according to the audio output it corresponds to. Stereo
audio output pairs are exported as a single stereo AIFF file. Mono audio output pairs
are exported as individual mono AIFF files. If you export audio from a sequence named
Final Mix that has two pairs of stereo and two mono audio outputs, the following four
files are created:
 Final Mix_1-2.aif (stereo AIFF)
 Final Mix_3-4.aif (stereo AIFF)
 Final Mix_5.aif (mono AIFF)
 Final Mix_6.aif (mono AIFF)