Intro to IMF packages in Compressor
Compressor can create an original Interoperable Master Format (IMF) package as well as edit an existing IMF package in order to create a new original IMF package or a supplemental IMF package. To create an original IMF package, use Compressor to assemble your audio and video. You can then export the main IMF package, or you can export individual files in the IMF package as supplemental IMF packages.
Supplemental IMF packages allow you to add additional audio files in different languages to complete IMF packages. The advantage of creating supplemental IMF packages for these additional audio files is that only the new files are included in the package; all the other elements in the package are references to the files in the original IMF package.
You can also use composition playlists (CPL) from original or supplemental IMF packages as a source for IMF export. Finally, you can use a CPL from an IMF export as a source for a regular batch export from Compressor.
For more details, see this Apple Support article.
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