The Dolby Atmos Conversion Tool v1.8 adds the following new features:   


The full release notes are here.

  • Support for converting from a 96 kHz .atmos master file set
  • Updates to ADM BWF (.wav) master files to conform to ITU BS.2076-0
  • Support of non-English master file names
  • Improvements to frame-rate conversion ratios when the difference between the source and target frame rates is larger (for example, when converting from a source frame rate of 25 fps to a target frame rate of 23.976 fps)
  • Improved user interface (UI) progress bar to show the status of a conversion.
  • Support for Binaural render mode metadata, which is designed for use when content is being encoded as Dolby AC-4 immersive stereo.
  • Support for Trim metadata, which is designed to provide better control of 5.1 and 7.1 encodes when Dolby Atmos content is rendered in a 5.1 or 7.1 playback environment.
  • Changes to .xml (pmstitch):
    • primary=”true” attribute in the source element sets which source master of a stitch workflow defines the metadata values to be used for all masters (for example, when stitching together masters that have different program-level metadata, such as .dbmd parameters).
    • <start> and <end> now called <outputStart> and <outputEnd>, respectively, to better describe their function.
  • Note: <start> and <end> are still supported. Older .xml (pmstitch) files do not need to be updated.

    • All .xml (pmstitch) example files updated with new commands, and act_stitch.xml now provides an example of stitching two different master files.
    • Ability to trim the beginning and end of a Dolby Atmos master via an .xml (pmstitch) and change the frame rate during the same conversion
    • Updates to Dolby Digital Plus segment parameters and values in a .dbmd metadata file:
      • program_id removed.
    • Command-line options removed from the Dolby Atmos Conversion Tool command-line application:
      • --dump_bwav_chunks
      • –flatten1
      • --force_write_current_damf_version
      • --log_config arg
      • --printmasterkeypath arg
    • Mac installer now installs the command-line application, plus the example files and supporting files to nonhidden locations:
      • Dolby Atmos Conversion Tool command-line application (/Applications/Dolby/Dolby Atmos Conversion Tool/).
  • To navigate to the program in your command-line program, type cd "/Applications/Dolby/Dolby Atmos Conversion Tool/".


      • Example .xml files, home theater masters, and the demo script (run_act_examples.sh): /
  • Applications/Dolby/Dolby Atmos Conversion Tool/Examples.