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Export a Spatial Audio project to a Dolby Atmos ADM BWF master file in Logic Pro for Mac

After your Spatial Audio with Dolby Atmos mix is complete in Logic Pro for Mac, you can export your project or a portion of your project to an ADM BWF (Audio Definition Model Broadcast Wave Format) file. ADM BWF is the Dolby Atmos master file format used for submitting a Spatial Audio with Dolby Atmos mix to a mastering engineer or streaming service. ADM BWF files are also compatible with industry tools that are used to edit and master Spatial Audio with Dolby Atmos mixes for further distribution.

Note: An ADM BWF file is not a standard audio playback format. Although you could play it back on a music player, this is a multichannel interleaved WAVE file and you would hear the first two channels of the bed tracks.

Export a Spatial Audio with Dolby Atmos mix to a Dolby Atmos ADM BWF master file

  1. In Logic Pro, do one of the following:

    • Choose File > Export > Project as Spatial Audio.

    • Choose File > Bounce > Project or Section (or press Command-B) to open the Bounce window, then click the Export as Spatial Audio button.

  2. In the Export Spatial Audio File as dialog, select:

    • Project: Export the entire project.

    • Selection: Export the currently selected cycle range, marquee selection, or the range determined by the beginning of the first selected region and the end of the last selected region.

    Note: To match the length of the exported Spatial Audio with Dolby Atmos mix to the region of an existing stereo mix, choose Selection.

  3. Choose Dolby Atmos ADM BWF from the pop-up menu.

  4. Enter a name in the Save As field at the top of the dialog and navigate to the location where you want to save the Dolby Atmos ADM BWF master file.

  5. Click Save.

    Note: The selected monitoring format in the Dolby Atmos plug-in has no effect on the ADM BWF export.

Dolby Atmos ADM BWF master files exported by Logic Pro contain the following:

  • All the audio channels containing the surround bed and the individual mono and split stereo object tracks.

  • The pan automation data of all object tracks. See 3D Object Panner parameters.

  • Metadata (including downmix and trim settings) required to reproduce the mix on systems or devices compatible with Dolby Atmos. For details, see Downmix and trim controls.

You can import a Dolby Atmos ADM BWF master file in Logic Pro for Mac to open any Dolby Atmos mix that was saved in that format in Logic Pro or any other DAW. See Create a Spatial Audio with Dolby Atmos project from a Dolby Atmos ADM BWF master file.

Download the guides:

Logic Pro User Guide: PDF

Logic Pro Instruments: PDF

Logic Pro Effects: PDF

Control Surfaces Support Guide: PDF

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