£200

O7A Spatial Audio

This plugin collection provides experimental decoders to convert O7A 3D audio scenes into audio designed for use with "Spatial Audio" systems like Dolby Atmos or Apple Spatial Audio. A number of Spatial Audio objects in fixed locations are used as virtual speakers. Depending on the plugin, 20, 24, 32 or 64 objects are used and are arranged in a dome configuration. Only the 64 object configuration is supported with AAX.

This library should be considered experimental and may be subject to significant change.

This plugin library is intended to work alongside the O7A Core.

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The O7A plugins are similar to the O3A plugins, except for the ambisonic "order" in use. The O3A plugins use third order and 16 audio channels to capture a scene, which already gives high spatial precision. The O7A plugins use seventh order and 64 audio channels, which gives much higher spatial precision but is generally only recommended for research applications, or in studios with high-end modern hardware.

These are VST2 or AAX plugins for macOS (10.14 to 13.5) or Windows (10 or 11, 64bit Intel). They can be hosted in some Digital Audio Workstations (DAWs) that can handle tracks with sufficiently high channel counts. Because of the very high channel counts needed for these plugins, this typically means Reaper, Pro Tools Ultimate, or Max/MSP. These plugins use the SN3D higher order ambisonic (HOA) convention, at seventh order, which needs 64 channels. The exact channel counts needed for individual plugins are listed below in the Plugins section. Not all plugins are supported in AAX.

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