Welcome to the Netflix Partner Help Center. Have a question or need help with an issue? Send us a ticket and we'll help you to a resolution.

Sound: Mastering Home Theater Atmos Natively (Pro Tools)

This article is designed to outline how to utilize the native Dolby Atmos mastering features within Pro Tools.


  • Pro Tools Ultimate 2019.10
  • Dolby Atmos Production Suite v3.3

Note: There is a known stability issues with this workflow on the iMac Pro.


  1. Launch Dolby Atmos Production Suite.

  2. Select “Core Audio” under Preferences -> Audio Drive.


  3. For Audio Input Device, select Dolby Audio Bridge.

  4. For Audio Output Device, select your audio interface.

  5. Select MTC or LTC for External Sync Source & configure appropriately.

    • For MTC, launch Audio MIDI Setup and select "show MIDI Studio".

    • Enable IAC driver by selecting “device is online” typically Bus 1.

    • For LTC, select audio bridge channel channel with PCM timecode (usually 129).


  6. In Pro Tools, select Peripherals -> Synchronization.

    • Under MTC Reader Port, select IAC Driver Bus 1.

    • Under Atmos, make sure Atmos is enabled and the local Production Suite renderer is defined.


  7. Select Playback Engine and change to Dolby Audio Bridge.

    • For H/W Buffer Size, select 1024 samples.


  8. Create a new session from the Dolby Atmos Renderer Dolby Audio Bridge mono template.

  9. In I/O setup, check “apply to all tabs”.

  10. Import IO setup Dolby Atmos Renderer Dolby Audio Bridge Mono.pio.

  11. Customize the template as needed and master Atmos on your Pro Tools system.

Was this article helpful?
21 out of 23 found this helpful