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Basic mixing in MIR
Last post Sun, Mar 12 2023 by big island, 8 replies.
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Posted on Tue, Mar 07 2023 16:22
by big island
Joined on Sun, Feb 26 2023, stockholm, Posts 6

Hi folks.

I'm trying to get a grip on MIR in an immersive setup...

I have chosen the 7.(1).4 MIR 3D HOA as my main microphone. Now I just want to be able to mute lets say the L,C,R components of the output from MIR and just have the reverb in the surround speakers. How is that done in the easiest way? So far I have opened the output editor and clicked my way through virtual loudspeakers and turned down the fader in the decoder output matrix. Very cumbersome and unintuitive. It feels like there should be an easier way to do this.... The send/return plugin in Logic does not have mutes on it so it can't be done there it seems...


What to do?



Posted on Tue, Mar 07 2023 22:33
by Dietz
Joined on Tue, Aug 06 2002, Vienna / Europe, Posts 8285

Welcome Jacob,

Personally I do this in the Control Room panel of Nuendo, most if the time. If your host doesn't offer similar features then there are also a lot of freeware plug-ins which allow for soloing / muting individual channels of a track, e.g. Melda Production's MChannelMatrix.


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MChannelMatrix.png (224kb) downloaded 2 time(s).

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/Dietz - Vienna Symphonic Library
Posted on Wed, Mar 08 2023 07:13
by big island
Joined on Sun, Feb 26 2023, stockholm, Posts 6

Hi Dietz and thanks for the tip. Will check the Melda plugin for sure. I also discovered that the Gain Utility plugin in Logic can do this as well.

So the output editor shouldn't be viewed as a mixer in that sense...?



Posted on Wed, Mar 08 2023 09:17
by Dietz
Joined on Tue, Aug 06 2002, Vienna / Europe, Posts 8285

It's a mixer, to a certain extent, but it's not a monitoring device. 

MIR is a quite deep and complex product as it is already. We have tried to leave out features that might come handy on certain occasions, but would actually just double the amenities offered by the typical host.

Enjoy MIR 3D! :-)

/Dietz - Vienna Symphonic Library
Posted on Thu, Mar 09 2023 12:45
by Cyril Blanc
Joined on Thu, Dec 19 2002, Paris France, Posts 2832

I have put my instrument on Bus for each category

MacBook Pro 2019 16" 64gb 4TB + 2 x Odisseey G9 49"

MacPro 2010 12 core 2.93 ghz 64 GB Mac OS X 10.11 2722 Rocket Raid Sata III card with 8 x ssd

Kbd : P80 Yamaha, S88 and S25 Komplete Kontrol, DX7
I-Controls Pro, 2xMidi expression pedals
Synth : many....
Logic X , Dorico, Band In A Box, ORB Composer
VSL : MIR PRO, Appassionata Strings I, Solo strings , Wind and Brass Complete, Dimension Brass, Big Band Orchestra series, Many Synchronised libs
Kontakt, Omnisphere, QLSO, QLSC, CS 80, Arturia V5, Maximo, Realivox Blue. CS 80 V3, The Orchestra 3, Art Conductor, Genesis Children Choir, Lunaris, Lacrimosa
Many Sychron Instruments

Final Cut pro
Camera full HD
Posted on Fri, Mar 10 2023 15:24
by big island
Joined on Sun, Feb 26 2023, stockholm, Posts 6


Just a quick question regarding general workflow for MIR... 

I am currently mixing stuff in atmos and I'm loving how Mir works for this environment. However, it quickly becomes a cpu hungry beast when a lot of instruments are being sent into it, so I'm now looking at a server solution. After reading and trying things out I come to two conclusions that you might be able to verify...

Is working with VEPRO as an fx rack for Mir recommended? And can VEPRO do 7.1.2 when used as a server on my laptop?




Posted on Fri, Mar 10 2023 16:40
by Dietz
Joined on Tue, Aug 06 2002, Vienna / Europe, Posts 8285

Hi Jacob,

VE Pro is compatible with most typical surround- and 3D-formats, and in principle it's fully up to the task from a purely technical POV.

But as much as I would like to recommend it for the setup you have in mind - I can't. VE Pro is a great solution for hosting virtual instruments outside the actual DAW, but in this scenario all audio is created within VE Pro and not routed to it from the outside. While you can of course send plain audio to VE Pro, too, this was meant be seen as a solution to combine a handful of audio track with Vienna Instruments put into MIR Pro.

Like I just wrote in another recent thread: According to VSL's developers, the "Audio Input" feature of Vienna Ensemble Pro has to be considered "experimental". Modern operating systems as well as the plug-in hosts of today aren't very fond of code that opens "side doors", so to speak. (It's actually quite astonishing that this works at all.) The feature comes with huge latencies, and you will also see that VE Pro's Audio Inputs will tax the CPU considerably. 

In other words: VE Pro is not meant to be seen as virtual rack for send-FX. Instead, I suggest to optimise a few parameters to allow for more instances of MIR 3D:

- System latency (the higher, the better)

- MIR buffers (again - the higher, the better) - see MIR 3D's Preferences

- Some DAWs (e.g. Cubase/Nuendo) offer additional buffers for pre-rendering FX in the background ("ASIO Guard")

- Activate MIR 3D's Preference for "Dynamic Processing" and make sure that MIR isn't kept "active" by very quiet noise ("analog" processing, dither, etc.).

- Omit the LFE channel from MIR-based mixes. This avoids unnecessary convolutions (MIR's impulse responses themselves won't produce audio below 50 Hz anyway, only the direct signal).

- Use "Ensembles" (i.e. submixes) ofsimilar sources to feed one instance of MIR instead of many individual ones.

- If you are working on finishing a mix: Freezing / rendering-in-place of already set-up tracks will help, too.


/Dietz - Vienna Symphonic Library
Posted on Sun, Mar 12 2023 07:30
by big island
Joined on Sun, Feb 26 2023, stockholm, Posts 6

Thanks for the feedback Dietz. Much appreciated.

I will do as suggested and also try to offload my computer by putting other resource heavy plugins that only run in stereo on my server computer via audiogridder. The immersive stuff needs to stay on my main machine is the conclusion...



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