Immersive Audio

Dolby Atmos:

• Deliver Dolby Atmos masters as BWF ADM files with a 24 fps timecode rate for every track.

• All audio must be 24-bit, 48 kHz LPCM.

• The Dolby Atmos master must match and remain synchronized with its stereo master.

• Integrated loudness must not exceed -18 LKFS under ITU-R BS.1770-4.

• True peak must not exceed -1 dBTP under ITU-R BS.1770-4.

• For gapless albums:

1. 1. Deliver one corresponding BWF ADM file for every track.

   2. At each track boundary, the Dolby Atmos and stereo versions must differ by no more than half a frame. At 48 kHz, half a frame contains 1,000 samples.

   3. The Dolby Atmos ending must match the stereo ending and must not contain additional silence.

Note: Dolby Atmos files created automatically from a stereo mixdown or master, or generated algorithmically, are not accepted.

Submission process:

1. Submit the release for review: First, submit your release for review in the dashboard.

2. Prepare the Dolby Atmos audio: Use cloud storage to prepare the Dolby Atmos audio files for the corresponding release and tracks.

3. Contact Support: Contact our Support team for the next steps.

5.1 and 7.1 surround sound:

• Audio must be LPCM in a .mov container with discrete channel assignments.

• Minimum resolution: 48 kHz/16-bit or 48 kHz/24-bit.

• Integrated loudness must not exceed -18 LKFS under ITU-R BS.1770-4.

• True peak must not exceed -1 dBTP under ITU-R BS.1770-4.

• The immersive master must match and remain synchronized with its stereo master.

Note: 5.1 or 7.1 files created automatically from a stereo mixdown or master, or generated algorithmically, are not accepted.

View the full specification