
Introduction to Dolby Atmos Authoring Tools
2 Authoring for Dolby
®
Atmos
™
Cinema Sound Manual
1.2 Dolby Atmos System Overview
In a basic Dolby Atmos system, one or more Avid
®
Pro Tools
®
machines define the audio
and metadata.
• Pro Tools multichannel tracks and signal routing define bed and object audio. High-
Definition Multichannel Audio Digital Interface (HD MADI) format interfaces
receive audio from Pro Tools and send it to the Dolby RMU.
• Panner plug-ins on audio tracks in Pro Tools that contain object audio, along with
their automation playlists, define Dolby Atmos metadata. One or more Pro Tools
machines route metadata directly to the Dolby RMU via Ethernet.
Figure 1-2 Basic Dolby Atmos System Block Diagram
1.3 Dolby Atmos Metadata Flow with Different Setups
The flow of metadata in a Dolby Atmos system is dependent on the type of system setup.
There are four primary Dolby Atmos system setups for sending metadata (and audio) to
the RMU:
• One or more Pro Tools machines sending metadata to Dolby RMU
Figure 1-3 Basic Setup with Pro Tools Machine Sending Metadata to Dolby RMU
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