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MIR Pro processor intensive question
Last post Tue, Jan 12 2021 by Zaffer, 3 replies.
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Posted on Tue, Jan 12 2021 19:31
by Zaffer
Joined on Tue, Jul 10 2018, Posts 31

Hi,

Is there any processor use difference between using MIR Pro as a plugin in each instrument track in my DAW (Cubase), or setting it up on each instrument channel in the Vienna Ensemble Mixer?  Can anybody give me advice on the best setup for 8 singers (audio) and piano (MIDI)?  Should I put a MIR pro plugin on each track in Cubase or bring each audio track into Ensemble Pro with it's own instance of MIR Pro in its mixer channel?  Or should I send the singer's tracks to one or two FX tracks in Cubase with MIR Pro plugin on each.  I'm running Cubase 11 in Windows 10 Pro with 64 GB RAM and Intel Core i9 processor.  My current AISO buffer setting is 256.  My MIR Pro latency setting is 512, and  6 threads for the multiprocessor setting.  Any advice will be greatly appreciated.  Thanks.

Zaffer

Tags: CPU
Posted on Tue, Jan 12 2021 20:37
by Dietz
Joined on Tue, Aug 06 2002, Vienna / Europe, Posts 7540

Originally Posted by: Zaffer Go to Quoted Post
Is there any processor use difference between using MIR Pro as a plugin in each instrument track in my DAW (Cubase), or setting it up on each instrument channel in the Vienna Ensemble Mixer?  Can anybody give me advice on the best setup for 8 singers (audio) and piano (MIDI)?  Should I put a MIR pro plugin on each track in Cubase or bring each audio track into Ensemble Pro with it's own instance of MIR Pro in its mixer channel?  Or should I send the singer's tracks to one or two FX tracks in Cubase with MIR Pro plugin on each.  I'm running Cubase 11 in Windows 10 Pro with 64 GB RAM and Intel Core i9 processor.  My current AISO buffer setting is 256.  My MIR Pro latency setting is 512, and  6 threads for the multiprocessor setting.  Any advice will be greatly appreciated.  Thanks.

The difference of using MIR Pro in Cubase instead of VE Pro should be neglectable as long as all surrounding variables are the same. Just make sure that the Preferences are set identically, most notably the option for Dynamic Processing. 

For your eight singers I would use eight stereo(!)-audio tracks in Cubase, even if the audio files are mono, because Cubase can't switch tracks between formats by means of a plug-in. Instantiate MIR Pro in one of the inserts of each track and you're ready to roll. Same ist true for the piano, of course. :-)

FX sends aren't a good way to use MIR Pro, as the application takes care for the panning and pre-processing of the dry signal components, too. You would have to use pre-fader sends and set the channels' volume faders to -inf., which is quite unhandy especially for automation tasks.

I strongly suggest to stay away from the so called "VE Pro Audio Inputs" whenever possible, even more so with Cubase/Nuendo. It will put enormous strain on the CPU as this feature has to do some really dirty tricks to work at all. The typical DAW won't happily share its power with other applications that try to route signals to the outside world ...

Your computer should be powerful enough for literally hundreds of MIR Pro instances. In case you still encounter CPU overloads simply increase the MIR engine's own latency in its Preferences. Personally, I use 1024 or even 2048 samples for mixing, and I don't restrict its maximum number of processors. Of course, higher ASIO buffer settings will help, too.

HTH,

/Dietz - Vienna Symphonic Library
Posted on Tue, Jan 12 2021 21:15
by Zaffer
Joined on Tue, Jul 10 2018, Posts 31

Thanks Dietz,  This is great advice.

Zaffer

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