Working with omf files, Exporting omf files – Apple Logic Express 8 User Manual
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Chapter 29
Project and File Interchange
Working With OMF Files
The OMF file format is typically used to exchange data with Digidesign Pro Tools
software. The OMF format only supports the exchange of audio data (audio media and
the use of this audio media in a project)—MIDI and automation data is ignored when
using the export functions.
Exporting OMF Files
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To export the current project as an OMF file, choose File > Export > Project as OMF File
(or use the Export Project as OMF File key command).
Choose the required options in the dialog that launches:
 OMF File Version: You can choose to export the file in OMF Version 1 or Version 2
format. You will usually choose Version 2 here. Version 1 is only useful for backwards
compatibility with older software versions.
 Include audio: Turn this on to integrate all exported audio files into the OMF file
itself. This can result in a very large file, and can make file export times lengthy. Turn
off this checkbox to only write file references to the OMF file.
Note: If the later option is chosen and you wish to copy the OMF file to another hard
disk, you will need to ensure that all referenced audio files are also copied.
 Convert interleaved to split stereo: As some applications don’t support interleaved
stereo files, Logic Express can convert interleaved stereo files to split stereo (when
exporting an OMF file for a Pro Tools session, for example). Turn on this checkbox if
this is the desired behavior.
Note: This only works if the “Include audio” option is turned on.
 Convert 24 bit files to 16 bit: Turn on this option to convert all 24 bit files to 16 bit,
using the chosen dithering type. This might be necessary when using older versions
of Pro Tools.
 Dithering: When exporting 24 bit recordings as 16 bit audio files that are included in
the OMF file, dithering is recommended (see “