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must define whichever busses are designated for rendering by defining their Kind, and you can select
tracks you want to export additionally.
Selecting tracks and busses to export
NOTE: An MPEG-H master file can only contain a maximum of fifteen channels total. If the
selected track and bus stems exceeds this, then the export will fail, issuing a warning. The
same will occur if a range is not selected.
To export an MPEG-H mix:
1 Choose Fairlight > Immersive > Generate MPEG-H Audio File.
2 Choose a save location and name, and click Save.
At this point, all defined buses are rendered. Then, track loudness is measured for compliance. Lastly,
the source audio is exported and the metadata embedded into the deliverable MPEG-H wav file.
There are several error conditions, which are deleted during the export process, that will all cause the
export to fail. For example, all tracks must contain audio. Audio within switch groups must be within a
specific loudness tolerance of one another. If any of these conditions occur, a dialog will appear.
Warning dialog during MPEG-H export
Quality Control
You can do a quality control check of the final audio export using a Fraunhofer MHAPI tool which can
open up the exported content. This includes compliancy tests, and visualization of the contained
metadata. It can also render and monitor the content, but this aspect of the tool is basic, and only
works with external audio that’s linked to the metadata. In other words, you must manually link the
components back to the source audio files.
Chapter 179Immersive Audio Workflows 3345
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