Apple Final Cut Pro 7 - Manual (Page 993)

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
“Exporting
Audio to AIFF Files” and “Audio Output Export Settings.”
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)
Preparing to Export Audio to AIFF Files
If your edited sequence has only a single pair of audio outputs, the Export Audio to AIFF(s)
option outputs a single stereo AIFF file (or two mono AIFF files). If you want to output
multiple AIFF files, here are some things to keep in mind:
• Create audio outputs for your sequence: The Export Audio to AIFF(s) option exports as
many AIFF files as you have audio outputs assigned in your sequence—one stereo file
for each stereo output, and two mono files for each mono pair output. This is true even
if you have empty audio tracks or audio output channels that are not used by any
tracks. For more information on modifying audio outputs for a sequence, see
“Assigning
Output Channels and External Audio Monitors.”
• Assign each track in your sequence to an audio output channel: By default, a new sequence
uses the default stereo audio output preset. If you want to export multiple AIFF files
from a sequence with more than two audio outputs, you need to first create additional
audio outputs in your sequence and then assign tracks to those outputs. For more
information on assigning audio tracks in a sequence to an audio output channel, see
“Assigning Output Channels and External Audio Monitors.”
993 Chapter 60 Exporting Audio for Mixing in Other Applications