ambiX v0.3.0 – Ambisonic plug-in suite

I am happy to finally release my cross-platform Ambisonic processors useable as VST/LV2 plug-ins or standalone application under Windows, Mac OSX and Linux. They can be used in flexible hosts like Reaper, Ardour, MaxMSP, Bidule or as standalone applications with Jack.

The plug-ins can be used to produce 3D Ambisonic content or do post production on recordings. (eg. Soundfield or Eigenmike® microphone recordings)
The Ambisonic order is variable and can be choosen at compile time. A practical limitation for Reaper is 7th order due to the 64 channel limit. The processors use the ambiX convention (full 3D, ACN channel ordering, SN3D normalization)

ambiX screenshot ReaperA short video clip showing the plug-ins in action: https://vimeo.com/81073470

You may want to use these plug-ins in combination with the mcfx multichannel effect plug-in suite: https://www.matthiaskronlachner.com/?p=1910

Source code repository: https://github.com/kronihias/ambix

download

Download binaries from Github:

https://github.com/kronihias/ambix/releases

download

You will also need the binaural decoder presets if you want to listen with headphones:  ambix_binaural_presets_v0.1.5.zip
(download includes decoder matrices + binaural loudspeaker impulse responses)

Some more good presets from the BBC can be downloaded here: https://github.com/bbc/bbcrd-brirs

Install the decoder presets to:
Windows 7/8: C:\Users\username\AppData\Roaming\ambix\binaural_presets\
MacOS: ~/Library/ambix/binaural_presets/
Linux: ~/ambix/binaural_presets/

Currently there is no preset generator included, you have to generate your decoding matrix with other tools. For example with the Ambisonic Decoder Toolbox by Aaron Heller using Matlab/Octave: [Source repo] [LAC Article].

Read this article from the AES Design competition for some informations regarding the plug-ins!

A slightly outdated paper about the plug-ins can be found here: http://lac.linuxaudio.org/2013/papers/51.pdf

Ambisonic transformations are described here ICSA2014_KronlachnerZotter_AmbisonicTransformations.pdf

This software was developed during the work on my master thesis at the Institute of Electronic Music and Acoustic Graz. [ IEM ]

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