Apple Dolby Atmos Technical Specs

  • ADM BWF (.wav) file.
  • All audio tracks must be 24-bit LPCM audio at 48kHz.
  • A Dolby Atmos track must be created from multitracks or stems created from multitracks.
  • Upmixing from a stereo release is not allowed.
  • Extracting stems (“de-mixing”) from a stereo release is not allowed.
  • A Dolby Atmos track consisting only of a stereo mix placed in the sound field with added ambience or reverb is not allowed.
  • You must conform and sync the Dolby Atmos files with the stereo reference files for the same project.


TIDAL Dolby Atmos Technical Specs

  • ADM BWAV (.wav)
  • Minimum required sample rate of 48 kHz and a bit depth of 24 bits
  • The file must be created with a 24fps timecode and provided as an ADM BWAV file.
  • No additional silence at the start of the deliverable when compared to the corresponding stereo deliverable.
  • The file end should be 0ms from the end of the track including any fade out.
  • 48kHz BWAV ADM Binaural Render Mode should be set for all channels
  • All deliverables should be conformed and synced to the original stereo reference master.
  • Loudness Target: -18LKFS based on ITU-R BS. 1770-4 recommendations. Peaks should not exceed True Peak: -1dBTP
  • Binaural metadata is present in all ADM output and should be checked before Master

    creation to ensure correctness.