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MIR Pro and Hybrid Reverb
Last post Thu, Aug 19 2021 by Dietz, 4 replies.
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Posted on Tue, Aug 17 2021 20:36
by Pixelpoet1985
Joined on Fri, Dec 23 2016, Germany, Posts 316

Question for Dietz:

I'm not sure when to use which reverb. I know there are two approaches for MIRacle: a) enhance and b) hybrid. Even some of the "enhance" presets should be used with reduced reverb lengths.

Example for MIRx Synchron Stage:

  • Which MIRacle preset is best suited for the Synchron Stage? Does it make sense to take the Synchron Stage or will it introduce some phasing?

  • Is there a difference in sound between
    1) 1.0s MIR reverb + 1.8s algo
    2) 1.8s MIR reverb

    For me, in the first scenario the sound is more direct. Is this correct? Maybe just my imagination...

  • If I have a "good" sound at 1.2s MIR reverb, but increase the length to 1.6s. Should I reduce the wetness so that the sound would be as it is at 1.2s, but only with a longer tail? Or does a longer reverb automatically mean more wetness? Hope it's clear what I mean.
Posted on Wed, Aug 18 2021 07:37
by Dietz
Joined on Tue, Aug 06 2002, Vienna / Europe, Posts 7763

Originally Posted by: Pixelpoet1985 Go to Quoted Post

Question for Dietz:

I'm not sure when to use which reverb. I know there are two approaches for MIRacle: a) enhance and b) hybrid. Even some of the "enhance" presets should be used with reduced reverb lengths.

This categorization is not a rule. It has been made mostly to help you to keep track of what is where, and to give you an idea of the different possibilities when combining IR-based space with algorithmic reverb.

Quote:
Example for MIRx Synchron Stage:

  • Which MIRacle preset is best suited for the Synchron Stage? Does it make sense to take the Synchron Stage or will it introduce some phasing?


I'm not sure that I understand the question. Why should Synchron Stage introduce phasing ...? 8-/

Quote:

  • Is there a difference in sound between
    1) 1.0s MIR reverb + 1.8s algo
    2) 1.8s MIR reverb

    For me, in the first scenario the sound is more direct. Is this correct? Maybe just my imagination...


That's mostly a question of mixture, I'd say.

The main difference will be that MIRacle is able to introduce (quite) a bit of modulation for its reverb tail. This might or might not be what your mix asks for, but it's definitely not possible by using MIR Pro alone. Our ears got so used to this highly artificial way of "enveloping" reverb that it's a typical ingredient for many commercial releases, especially when a mic is not aimed at a "puristic" audience.

Quote:

  • If I have a "good" sound at 1.2s MIR reverb, but increase the length to 1.6s. Should I reduce the wetness so that the sound would be as it is at 1.2s, but only with a longer tail? Or does a longer reverb automatically mean more wetness? Hope it's clear what I mean.

The answer to this question depends a lot on the context. I'm not able to tell from the distance what the effect will be without hearing an example.

Best,

/Dietz - Vienna Symphonic Library
Posted on Thu, Aug 19 2021 18:05
by Pixelpoet1985
Joined on Fri, Dec 23 2016, Germany, Posts 316

Originally Posted by: Dietz Go to Quoted Post

I'm not sure that I understand the question. Why should Synchron Stage introduce phasing ...? 8-/

Don't know. :) I thought that maybe phasing would occur, because you have the room twice. Somewhere I read about this issue, but can't remember where, and that the predelay compensates for this. But as MIRacle is an algo reverb, does it have Synchron impulses at all or why is it called this way?

Originally Posted by: Dietz Go to Quoted Post

The answer to this question depends a lot on the context. I'm not able to tell from the distance what the effect will be without hearing an example.

I don't have an audio example, it's just a question I stumbled upon while experimenting in MIR Pro. I thought maybe there is some "science" behind this.

Posted on Thu, Aug 19 2021 20:19
by Dietz
Joined on Tue, Aug 06 2002, Vienna / Europe, Posts 7763

When pre-delay is needed to get rid of phasing issues in context of convolution based reverb, then it's most likely that there are remnants of the direct signal still audible in the used IRs - something that's no the case in any of MIR Pro's Venues.

MIRacle is the alorithmic reverb add-on for MIR Pro. It doesn't use any IRs whatsoever. Its name is just my childish wordplay on the terms MIR and miracle (auf Deutsch: Wunder). 8-)

HTH,

/Dietz - Vienna Symphonic Library
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