Protoverb 1.0


Protoverb is an experimental reverb based on the idea of a "room simulator". Most algorithmic reverbs try to avoid resonances or model the reflections of sound from a rooms walls. Protoverb does the opposite. It builds up as many room resonances as possible, modeling the body of air in the room. It therefore does not need to modulate or colour the signal. The result is a very natural sounding reverbration with some interesting features: Long standing frequencies resonate louder, as if the air takes some time to get excited. Multiple instruments don't mash into a diffuse mud, they stay distinct. If you play a short melody, the room seems to repeat a ghost echo of that melody. Those properties are indeed found in churches and large halls, but they're rarely found in conventional algorithmic reverbs.


To achieve this kind of stuff, Protoverb works with loads and loads of parallel, serial and networked delays. By all means, there is no mathematical formula that makes such a structure sound "just right". As with all delay based reverbs, it's down to trial and error, and maybe a lot of luck with random values. Therefore we designed Protoverb to present you with delay lines of random lengths and a random assembly of networking and feedback strategies. Which, if you're lucky and you come across a great setting, you can submit to our website, along with a few details

Push buttons to randomize!

To be precise, the small text box at the bottom contains two random entries. The first part depicts the network structure, strategies for a spatial layout and distribution of delay taps, strategies for finding useful delay lengths and so on. The second part is a seed for a pseudo-random number generator which is used to find various parameters, such as average delay length, which prime number to chose (if any) and so on. This text can either be edited by double click, or both parts can be independently randomized with the two random buttons below.

Get Protoverb - it's free!

In other words: Protoverb is a data mining concept. Instead of spending a few months ourselves, we hope that our community will come up with great settings. As a reward, this plug-in is free, people are encouraged to share their settings and thoughts on the internet.


APRIL 1 UPDATE: The contest is now closed and we will contact the winners soon. You can still submit your findings via the website, though you will no longer be entered into the contest.

Contest details:

- the contest will run until noon March 31st 2016 (Central European Time).
- 10 people will be randomly selected from the submissions to win a u-he plugin of their choice (only 1 prize per person).
- we will draw the first entry of identical submissions, so you can share your findings without fear after you submit them.

Download Protoverb 1.0 Mac (AAX, AU & VST2)
Download Protoverb 1.0 Win (AAX & VST2)
Download Protoverb 1.0 Linux (VST2)

Enjoy, Happy Holidays and have a great start into 2016

- Urs & team

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