aXPanner just got better! Version 1.4.0 is a free update to all users. You can download the update from the Download page or your account.
What’s new in this update?
You can now customise the background colour of the overlay panner. You can pick from transparent to completely opaque. Picking an opaque colour makes more sense when using the next new feature…
You can change the overlay panner view to top-down view, just like the panner on the main UI. This lets you control all the sources in your scene in one window. Great for everyone who prefers top-down view to equirectangular view!
To user these controls, right-click on the overlay panner button on the bottom left of the UI. You will see a pop-up that lets you control the new features. Easy.
Version 1.4.0 also fixes a bug in certain DAWs (Cubase/Nuendo) where panning positions would sometimes be reset upon project start-up.
I’m really happy to announce another update of the aX Plugins. There are some bigger and smaller updates to all plugins. These updates add new features, make the plugins faster and easier to use and refresh the interface.
You can download the updated versions from your account.
aXPanner – New Feature!
Following user requests, aXPanner now has a new resizable pop-out window that you can use to overlay on 360 videos or images. It also gathers all instances of the plugin in one place so you can get an overview of where all the other tracks in the project have been panned.
Each marker displays the name of the plugin’s track, so you always know what you’re working on. It also takes the colour your set the track in your DAW and uses that for the marker to make things even clearer and more convenient. You can also manually select the marker colour yourself, for extra customisation.
A screenshot of aXPanner with the new pop-out window open. The azimuth and elevation of all four tracks in the project can be controlled from one window.
aXCompressor and aXGate – Better Visualisation
aXCompressor and aXGate now have new gain-reduction meters. As well as just looking a bit nicer, they now show the input and output levels of the signals so you can get a really clear idea of just how much gain reduction you’re applying.
All Plugins – Pro Tools Automation Shortcut
This was another user requested feature and is a quality-of-life improvement for Pro Tools users: All plugins now support the Ctrl+Win+Click (Windows) and Ctrl+Cmd+Click (Mac) shortcut to open the automation lane automatically.
To use it you have to do one of two things:
Enable each parameter individually using the following shortcuts while clicking the parameter you want to automate: Ctrl+Win+Alt+Click (Windows) or Ctrl+Cmd+Alt+Click. This brings up a pop-up that lets you enable the parameter. Now you can bring up the automation lane using Ctrl+Win+Click (Windows) or Ctrl+Cmd+Click (Mac)
(Preferred) Enable “Plug-in Control Default to Auto-Enabled” in Preferences > Mixing in Pro Tools. Any new plugins you insert will have automation controls already enabled.
All Plugins – GUI Refresh
All of the plugins have had a light GUI refresh to make them a little sleeker and more modern looking. It’s subtle but I think makes a big improvement. Can you spot the changes?
What Do You Want To See?
Do you have any features you’d like to see in a future version of the plugins? Some small thing that would make your life easier? A cool feature that would make working with them even more fun? If so, get in touch with me and I’ll do my best to make sure it happens!
I have just started a Discord server for aX Plugins users. It is very new but please do join to share how you use the plugins, get early news, request features, report bugs, and probably more in the future!
It will be a good way to get direct access to me and to influence development of the plugins by requesting new features or reporting bugs. It should also be somewhere you can share the cool projects you used the plugins for.
It has been six years since I released the first version of the a7, a3 and a1 plugin suites, for (up-to) seventh-, third- and first-order processing respectively. The time has absolutely flown by. I’d like to thank everyone who has used my plugins, shared their amazing creative projects with me, and provided feedback that continues to make the plugins better. There is plenty more to come in the future!
Today, however, I am happy to announce another big update, as the a7 suite evolves to become the aX suite.
aX isn’t just a new name. The new update of aX plugins are able to process up-to tenth-order Ambisonics! Going forward, I aim to have the aX version of the plugins support the highest order in each DAW for maximum spatial resolution.
As a re-introduction bonus, the aX tenth-order version of the plugins is on sale with a 30% discount until 11th February 2024!
Tenth-order is a lot. Why go above seventh-order?
The amount of error in binaural decoders of different orders as a function of frequency. Tenth-order has the lowest error across more of the spectrum.
In many cases seventh-order will be enough. Often, even third-order could be enough. It all depends on your signal flow and maybe the final order you are targeting (though I’d argue it’s always best to work with the highest order possible).
The main benefit of tenth-order processing is for binaural processing or for very large loudspeaker layouts. For some Ambisonics-to-loudspeaker decoders higher orders can also be beneficial when working with smaller irregular layouts. That’s something I hope to come back to in a later post.
However, most people can’t fit a giant loudspeaker layout (or even 7.1.4) in their living room that leaves binaural as a way to experience immersive audio. How we perceive binaural decoding depends mainly on three things: the HRTF we are using, the order of the ambisonic signal, and the method used to create the decoding filters. Let’s focus on the impact of the order to see what going up to tenth-order gets us.
The graph shows the amount of error in the binaurally decoded signal as a function of frequency. For the first-order (1OA) decoder the error starts to rise even below 1000 Hz. Third-order gets us above 1000 Hz and you can usually hear a huge difference by going from 1OA to 3OA. For tenth-order, the error doesn’t rise significantly until nearly 4000 Hz. This means that if you are using a custom .SOFA HRTF in aXMonitorthen you are going to get holophonic scene reproduction over even more of the spectrum.
That’s a great reason to use the maximum order possible when listening binaurally!
How can I work with tenth-order Ambisonics?
The recent Reaper 7 update expanded the number of channels-per-track to a whopping 128. Tenth-order Ambisonics needs 121 channels, as opposed to seventh-order which needs 64. All you need to do is load the plugins on a track and set the number of channels to at least 121. It’s exactly the same process you would have used for seventh-order. Other than that, using the aX plugins hasn’t changed.
I work with Pro Tools/Cubase/Nuendo (any DAW except Reaper). Can I use tenth-order?
No, unfortunately not. Even though the aX plugins support tenth-order internally, the DAW they loaded in has to have enough channels-per-track to support it. Pro Tools Ultimate has seventh-order ambisonic buses so you can continue to use the new aX suite just like you did the a7 suite.
I bought the a7 suite. Do I have to pay for the new aX versions?
No! The a7 plugins have evolved into the aX plugins, they are not a completely new product. It means that once you update your plugins you will have access to tenth-order ambisonic processing when using Reaper 7.
I bought the a1/a3 suite and would like to upgrade to the aX suite. Do I have to pay full price?
No! If you have already bought any of the a1 or a3 plugins or bundles then you can benefit from the upgrade policy. Just get in touch and I will send you a discount code that removes the cost of the product you have already bought from the purchase of the equivalent aX plugin/bundle.
I don’t need tenth-order… Lower orders are enough for me.
Absolutely! There are plenty of cases where lower order processing is more than enough. If you’re recording with an ambisonic microphone, for example, then you are limited to the order of your microphone. Don’t worry, the a1 and a3 suites are still available at a lower price than the aX plugins.
From panning-to-playback for first-order Ambisonics
Steinberg’s Cubase Pro and Nuendo have supported up to third-order Ambisonics for a while now and I’m happy to finally add both DAWs to my Compatible Hosts list!
Most of the plugins already worked as Insert effects in Cubase and Nuendo Ambisonics tracks/buses. In the newest versions I have improved the integration of aXPanner and aXMonitor so that they can be loaded in the panner slot. This makes working with the aXPlugins in Cubase and Nuendo that little bit easier and more pleasant.
Now that these two plugins are fully compatible with Cubase/Nuendo Ambisonics tracks you can use the full aXPlugins chain from panning to playback in the most convenient possible way.
Adding aXPanner To A Track
You’ve recorded your session with a mixture of Ambisonic microphones and some mono or stereo spot mics. You want to convert the spot mics to Ambisonics to place them spatially in your scene. Doing this in Cubase and Nuendo with aXPanner is really easy:
Import your audio file to a mono/stereotrack.
Add a Group Track and set the Configuration to whatever Ambisonic order you are working with. Pick third-order Ambisonics for the best spatial resolution.
Click on Edit Channel Settings on your mono/stereo track. Change the Output to send to the Ambisonic Group Track that you made.
Now look at the Fader of the mono/stereo track and right-click on the Channel Panner area. A menu will open that has a list of all the compatible spatial panners. Select the aXPanner that supports the order of the Ambisonic Group Track. For example, if your Ambisonic Group Track is first-order then you can add the a1, a3 or a7Panner. If you selected third-order then you will need to use the a3 or a7Panner.
That’s it! Now you can open the plugin and start panning to perfection!
But with Ambisonics, panning is only half of the setup. We can’t listen directly to the Ambisonically encoded tracks. We need to decode it. Thankfully, that’s even easier than setting up the panner.
Adding aXMonitor For Decoding
Now that you have your Ambisonic tracks (recorded or encoded/panned) you’re going to want to listen to them. The aXMonitor is here just for that.
Click on Edit Channel Settings on your Ambisonic trakc. Change the Output to send to the stereo output of your audio interface.
On your Ambisonic track go to the Fader. Right click on the Channel Panner area of the plugin. As with the aXPanner you will see a list of possible plugins to add – including the aXMonitor!
Select the aXMonitor that supports the ambisonic order of the track. For example, if your track is first-order then the a1, a3 and a7Monitor will all be able to decode the signal. If you are using a second- or third-order track then you will need to use the a3 or a7Monitor.
That’s it! Now you can load you favourite/personalised SOFA file and listen in binaural!
A word about the processing order
The a1 and a3 versions of all plugins will work as intended in Cubase/Nuendo – you’ll get (up to) first and third-order processing respectively. All you need to do is add them to the tracks, as above.
The a7 versions of the plugins allow up to seventh-order processing but only if the DAW allows it. For the moment Cubase and Nuendo Ambisonics tracks are limited to a maximum of third-order (16 channels per track). The good news is that the VST3 format is run by Steinberg and it recently added native support for seventh-order Ambisonics! That means that hopefully in the near future we’ll see this work its way through to Cubase and Nuendo.
So, if you are a Cubase or Nuendo user you can add the aXPlugin suite to your tools for mixing Ambisonics and know that you’re getting a tight integration with your DAW. I would love to hear what you do with them, so please get in touch!
aXRotate, my Ambisonic scene rotator, has just had an update to version 1.6.0. In the new version I added the option to flip the direction of the rotations individually for each rotation angle. Simply click on the +/- button in the middle of each rotation dial and hear the rotation flip to the other direction! This update is free for all existing users and can be downloaded from your account.
Why is this update useful?
Well, aXRotate allows you to modify the rotation by connecting to a head-tracker over OSC. Not all head-trackers will use the same mathematically convention for which direction is considered a “positive” rotation. Using the new flip controls you can now match the plugins rotations with the angles supplied by your head-tracker.
A user requested this feature and I am really happy to have been able to add it. If you have any of your own requests for features you’d like to be added to any of the aXPlugins get in touch. I will do my best to include them as soon as possible in an update.
I’m really happy to release the newest version of all of the aXPlugins. All plugins have been updated. Let’s dive right in to the changes:
A new look for all plugins – All of the plugins have been given a fresh lick of paint. The new design is cleaner and simpler to make them that little bit easier for you to work with. In some cases the new design is just an update of the style. Others have had their layout completely changed (such as aXDeesser). This interface redesign is the first step in making incremental user-experience improvements based on user feedback that will lead to faster, more convenient mixing. I’ll be sure to post when these updates arrive.
Seventh-Order Ambisonics in Pro Tools Ultimate 2023.06! – Pro Tools 2023.06 now supports track widths up to seventh-order Ambisonics. I am very happy to announce that the newest version of the AAX a7Plugin suite is compatible with these new track widths. For years, users of the a7Plugins have had to use other DAWs to get higher than third-order resolutions but now you can use their full potential in Pro Tools Ultimate!
A lot of behind the scenes improvements – All of the plugins have had a lot of improvements made to the code that should make them less CPU intensive and more stable. As always, if you encounter any bugs then please do get in touch so that I can continue to improve the aXPlugins for you.
aXMeter– The free aXMeter plugin has been updated to allow different meter styles. You can display the level as a bar-and-line for RMS-and-peak levels. Or you can display only a bar showing the peak level. In addition, you can pick between two colour schemes: the original solid colour or a 3-colour gradient (green-yellow-red) to indicate when the level is reaching the danger zone!
If you’ve already purchased any a1 or a3 plugins but would like to upgrade to the a7 version (to make the most of Pro Tools Ultimate), please get in touch before purchasing and I will give you a voucher for the price you’ve already paid.
Pro Tools 2023.3 provides native support for Apple Silicon which looks like it provides some seriously impressive performance improvements. I am also happy to announce that all of the aXPlugins now also run natively on Apple Silicon. If you are an existing customer you can download the updates from the Downloads section of your account.
The plugins have been compiled as Universal Binary 2. That means that you can now run aXPlugins on your M1 or M2 Mac. Or if you use an Intel Mac you’ll still be able to use the most up-to-date version. So whether you’re using Intel or Silicon, Reaper or Pro Tools, for your spatial audio you can get the best performance for your machine.
As an additional update, I have been working on some major updates to the whole set of plugins. Those updates are taking a while but will be worth the wait. However, I am planning some smaller updates to the plugins in the near future. Keep an eye out for them in the weeks and months to come!
The Château de Fontainebleau is hosting an outdoor contemporary art exhibition and I had the honour and pleasure of contributing to one of the installations.
The installation is called Tonnerre et Cavalcade and was conceived by sound artist Sébastien Jouan. It is a 15 minute multichannel composition that augments the natural sound field and is linked to the physical surroundings (such as a lightning-struck tree!). It is the only sound installation out of the many pieces being hosted!
I worked on the spatialisation of the piece along with various other elements of technical support, working with Sébastien to create a sense of immersion and a spatial narrative.
Grandeur Nature is currently open to visitors and runs until 17th September. Visit the Grandeur Nature page for more information on how to visit.
This month the Incursions Sauvages (Wild Incursions) exhibition opened at the Musée de la Chasse et de la Nature (Museum of Hunting and Nature) in Paris. This exhibition, which runs from 11th April to 12th September 2022, includes the work of seven street artists whose visual works blur the line between nature and city, bringing animals right into the museum. These are worth seeing on their own but Incursions Sauvages has the added bonus of incorporating an immersive audio artwork!
I had the great opportunity to work with acoustician and sound artist Sébastien Jouan on the Ambisonic sound installation. Urbanozoo!, by Sébastien, was composed the piece to echo the images in two of the visual artworks (by war! and Jussie TwoSeven) with which it shares a space. Urbanozoo! uses urban and wild sounds to create a unique narrative in which the urban sonic environment is drowned under the sound of a stampede and the cries of animals.
My part in the project was to spatialise Sébastien’s composition, as well as to take care of the technical playback side. For the spatialisation, Sébastien and I worked together to place and balance the sounds so that they told the story of his composition and matched the visuals of the street art. The audio was mixed in first-order Ambisonics for playback over a square of loudspeaker. In addition to the artistic work, we had the technical challenge of ensuring that audio was wireless, since we could not run cables along the floor.
The final result stands on its own but the experience is heightened when listening in the museum, surrounded by the works of war! and JussieTwoSeven. If you are in Paris, I highly recommend that you visit the museum to hear Urbanozoo! for yourself.
You can read more about it on the museum’s website (in English and French).
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