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January 5, 2023
Question

Disguised FOA Ambisonic Multitrack session in Audition?

  • January 5, 2023
  • 2 replies
  • 1030 views

Hi everyone,

I'd like to set a First-Order-Ambisonic Multitrack session in Audition. I know that Audition is not specifically suited for multichannel-multitrack sessions since its presets are limited to few standards like 5.1. Anyway I'd love to use Audition for my FOA project (since I love Audition's tools).

What I'm planning to do - please, let me know if I'm wrong - is to start with a 5.1 session (since 5.1 implies 6 channels) and add a 5.1 track that I call track-1. In track-1 I'd add an FOA AmbiX clip (i.e. a B-format 4-chan clip) and as an effect I'd add (just for example) the IEM MultiBandComp. This compressor expects a 4-chan file (not a 5.1 file...) and what I HOPE is that it will receive ONLY the first 4 channels and output 4 channels as well. I also HOPE that Audition doesn't “treat” the 4th channel (LFE) in any way nor with any bandpass or whatsoever filter (I need that Audition stays “neutral” about all the track/clip channels leaving them as they are). If so, the Master track should receive a WYZX+2cha signal (2cha means 2 void channels) instead of an LRLfeLsRs signal. Now, if I render the Master, Audition should output a 6-chan file: Audition thinks it's a 5.1 file with silence in Ls and Rs, instead for me it's an AmbiX+2cha file. But again, how does Audition process the 4th channel (LFE) in rendering? Will that channel have some auto-filter/bandpass treatment or some metadata??? If not (I HOPE) I'd open my rendered AmbiX+2cha file in Waveform Editor and I'd simply delete the last two channels in order to obtain a regular AmbiX file.

May all this work? If yes, it should be a way to handle a multichannel-Multitrack Ambisonic session with Audition, right?

 

P.S. Obviously, to have a feedback in headphones, I'd use the IEM BinauralDecoder plugin on the Master track, and I'd disable it once I was ready to render.

 

Thanks in advance for your kind help.

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2 replies

Rag and Bone
Community Expert
Community Expert
January 5, 2023

I know nothing about ambisonics, but in case it's of use to you: I found this article.

January 6, 2023

Thank you Richard M Knight and Rag and Bone for your kind replies.

 

To Rag: I know that article and unfortunately it doesn't cover multitrack mixing (my target), it's limited only to Waveform editing.

 

To Richard: Premiere is not an option. The reason I'm trying to set a multitrack ambisonic session in Audition is that I'd prefer to use a single software avoiding "coming and going" between two. Audition has the best tools for sound analysis and the unique patch tool for spectrum retouching. In Waveform tab I can perfectly "prepare" my single ambisonic clips one by one. Unfortunately it seems that Audition is not flexible to handle ambisonic mixing in a Multitrack session, so if I can't find a way to handle this I will be forced to make the ambisonic multitrack session in another software, and the best one for this task is Reaper (infact all the current free suites of ambisonic plugins are tested on Reaper). Of course it's possible to work with Audition and Reaper side by side, but it means complicating the workflow.

 

So, in sum I'd prefer to use only Audition, if possible! (i.e. if the idea of disguising the FOA multitrack mixing/editing under the aspect of a 5.1 session is actually practicable.)

January 6, 2023

* Not "patch tool", I mean HEALING BRUSH.

Community Expert
January 5, 2023

You might be better using Premiere, it has more multitrack options.