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.
Prerequisites:
- 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.
Workflow:
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Launch Dolby Atmos Production Suite.
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Select “Core Audio” under Preferences -> Audio Drive.
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For Audio Input Device, select Dolby Audio Bridge.
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For Audio Output Device, select your audio interface.
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Select MTC or LTC for External Sync Source & configure appropriately.
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For MTC, launch Audio MIDI Setup and select "show MIDI Studio".
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Enable IAC driver by selecting “device is online” typically Bus 1.
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For LTC, select audio bridge channel channel with PCM timecode (usually 129).
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In Pro Tools, select Peripherals -> Synchronization.
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Under MTC Reader Port, select IAC Driver Bus 1.
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Under Atmos, make sure Atmos is enabled and the local Production Suite renderer is defined.
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Select Playback Engine and change to Dolby Audio Bridge.
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For H/W Buffer Size, select 1024 samples.
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Create a new session from the Dolby Atmos Renderer Dolby Audio Bridge mono template.
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In I/O setup, check “apply to all tabs”.
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Import IO setup Dolby Atmos Renderer Dolby Audio Bridge Mono.pio.
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Customize the template as needed and master Atmos on your Pro Tools system.