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HybridReverb2 HybridReverb2 HybridReverb2 HybridReverb2
HybridReverb2 by Christian Borß is a Virtual Effect Audio Plugin for macOS, Windows and Linux. It functions as a VST Plugin.
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HybridReverb2 is a convolution-based reverberation effect which combines the superior sound quality of a convolution reverb with the tuning capability of a feedback delay network. The sound quality of a convolution reverb depends on the quality of the used room impulse responses.

It came second in the KVR Developer Challenge 2009.

HybridReverb2 comes with a set of high quality room impulse responses which were synthesized with a state-of-the-art auralization software ("tinyAVE"). The user can choose between different rooms, different source distances, and different dampings (different reverberation times) suitable for different purposes. In contrast to the "music" damping which simulates a quite reverberant environment, the "speech" damping will result in a subtle reverberation effect.

HybridReverb2 is not designed as a "flashy" reverb effect, but as an effect which adds natural sounding reverberation to your audio projects.


  • free and open source plugin (GPL).
  • high quality room impulse responses (PCM, 48kHz, 24-bit).
  • rear channel impulse responses for a natural spatial envelopment.
  • low latency (down to 64 samples).
  • low CPU load.
  • individual performance optimizer.
  • intuitive and clearly arranged user interface.
  • quick selection of presets via categories.
  • tuning of room impulse responses:
  • initial gap / length / pre-delay.
  • dry / wet / master gain.
  • envelope (with increasing resolution for fine tuning the early reflections).
  • timbre (equalizer with 1/3 octave resolution).
  • editor for the preset database.
  • user specified impulse responses can also be used.

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Comments & Discussion for Christian Borß HybridReverb2

Discussion: Active
17 April 2014 at 5:31am

Has this been updated or is it the same version from 5yrs ago?

17 April 2014 at 1:23pm

As we can see they are the same versions: ff we click the download links here above in this present page, we arrive... simply at the Challenge 2009 page. And the page hasn't been updated as we see that the download links are the same:

Description of the download links:

  • HybridReverb2 for Debian Lenny (IA32) (13.95 MB) Last updated: Sun, 25 Oct 2009 10:10:14 -0700
  • HybridReverb2 for Mac OS X Leopard (IA32) (14.51 MB) Last updated: Mon, 26 Oct 2009 16:43:36 -0700
  • HybridReverb2 for Ubuntu Jaunty (IA32) (13.96 MB) Last updated: Sun, 25 Oct 2009 10:28:41 -0700
  • HybridReverb2 for Windows (IA32) (3.41 MB) Last updated: Wed, 04 Nov 2009 10:48:01 -0800

And there's no other place to find more recent versions.

In fact, it is probable that the developer has just realized that he had never created a page in the KVR Database, and he has just done it yesterday.

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