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Table of Contents

Prerequisites

  • Pyramix 14.0 (or above) must be installed and authorized with Premium key for Dolby Atmos features.
  • Merging Audio Device 2.1 must be installed and configured.
  • Dolby Atmos Renderer version 3.7 (or above) must be installed and authorized on a separate MacOs or Windows computer.
  • Dolby Atmos Renderer running on a Windows computer : Merging Audio Device 2.1 must be installed and configured.
  • Dolby Atmos Renderer running on a MacOs computer : Virtual Audio Device 3.2 must be installed and configured.
    Depending on your configuration and requirements, VAD Premium might be required (Standard version being AES67 only and 64 IO Max)
  • Merging Hapi MKII 
    Highly recommended over Horus and Hapi 1st generation due to the MkII ZMAN and AoIP stream flexibility.
  • Merging Anubis running the Monitoring mission (optional)
  • A properly configured managed network switch.   See this page for details and configuration guides.


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  • Timecode is required for real-time Loudness measurement in the Dolby Atmos Renderer, and will use 1 audio channel.
  • The Dolby Atmos authoring process can be quite CPU intensive, depending on the size of your project.
    Therefore, Merging recommends running Pyramix Native on i7 CPU (or more) with 16 Gb of RAM (or more).
  • Dolby Atmos Renderer on Windows: the Dolby Atmos Renderer requires MAD to be configured with a buffer size of 512 samples. Therefore, it cannot be used in AES67 mode (for connectivity with DANTE devices, i.e.) since AES67 requires MAD to be set with buffers sizes which are multiples of 48 (48, 96, 192 or 384 samples).
    If the Dolby Atmos Renderer is hosted on a Mac computer, there is no such limitation.

  • Recording back Live Re-renders on the Pyramix computer is possible.  The number of channels may vary depending on your computer and project configuration.
    Exporting Re-renders offline from the Dolby Atmos Renderer application is possible when opening the Dolby Atmos ADM Master file (Export Audio > Re-Renders).
  • MacMini 10Gb Ethernet port : currently not suitable for RAVENNA/AES67 network.   Please use a dedicated USB-C to Ethernet, USB3 to Ethernet, or USB3 Thunderbolt to Gigabit Ethernet (Sonnettech) adapter.
  • Currently Pyramix can only export 48kHz Dolby Atmos ADM Master files.

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Important Note : The MacMini 10Gb Ethernet port (embedded) is not suitable for RAVENNA/AES67 network. 
Please use a dedicated USB-C to Ethernet, USB3 to Ethernet, or USB3 Thunderbolt to Gigabit Ethernet (Sonnettech) adapter.

The Dolby Atmos Renderer requires specific settings to communicate with Merging RAVENNA/AES67 devices.
Please go in the System Preferences - Merging RAVENNA / AES67 Settings :

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  • In the World view (left pane), select both Anubis and your Hapi MKII.
  • In the Matrix (right pane), connect the relevant Anubis Monitor to the Hapi MKII.
    Note: Make sure you first select the Monitor set on the Anubis itself in order to see it listed for connectivity in ANEMAN
  • The Binaural Source can be listened to by selecting the Stereo Monitor (named "Phone" in our example), then the Stereo Source (named "Binaural" in our example), directly on the Anubis.

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