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GlissEQ by Voxengo is a Virtual Effect Audio Plugin for macOS and Windows. It functions as a VST Plugin, an Audio Units Plugin, a VST 3 Plugin and an AAX Plugin.
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GlissEQ is a powerful parametric dynamic equalizer plug-in.

The most interesting and unique feature GlissEQ offers is its filters with dynamic behavior. When using a normal equalizer you always get what you have set: if you specify a 6 dB boost at 100 Hz you get exactly a 6 dB boost at 100 Hz - GlissEQ offers you a slightly different approach: when you specify +6 dB at 100 Hz, you don't necessarily get 6 dB of gain, the filter's effective gain is adjusted dynamically according to the sound material you are filtering.

Such "dynamic behavior" of GlissEQ's filters gives you a friendly, assisting equalization experience. Boosting up the highs will not create the fatiguing effect of overload; boosting up the lows will not make things sound mushy. Instead, you will get a pleasant transient-emphasizing effect bringing life and dimension to your tracks. The pronunciation of the dynamic behavior can be controlled via special "Dyn" parameter. In reality, this "Dyn" parameter adds a whole new dimension to the equalizer as you know it, according to Voxengo.

Beside this "dynamic behavior", GlissEQ features a real-time spectrum analyzer. Moreover, the spectrum of a track can be exported to any other instance of GlissEQ thus making real-time inter-track spectrum comparisons possible. This can help you free frequency ranges in one track to allow the instrument in another track occupying same frequencies breathe.


  • Filters with dynamic behavior.
  • Real-time spectrum analysis.
  • Real-time spectrum import/export.
  • Up to 32 filter bands.
  • 16 filter types.
  • Harmonically-enhanced filter type.
  • Multi-channel processing.
  • Internal channel routing.
  • Channel grouping.
  • Mid/side processing.
  • Up to 8x oversampling.
  • 64-bit floating point processing.
  • Preset manager.
  • Undo/redo history.
  • A/B comparisons.
  • Contextual hint messages.

Latest User Reviews

Average user rating of 4.00 from 1 review

Reviewed By 4tune [all]
March 17th, 2005
Version reviewed: 2.4 on Windows

I have had Gliss EQ for about a 2 months now and am very happy with it:

User Interface: This was one of the main selling points of Gliss for me over a similarly priced competitor. I liked the way that you have a large FFT spectrum analyser window to place the EQ control points which is done by just left-clicking the mouse. The right mouse button is then used to select filter types from 8 choices with bandwidth controlled by the mouse wheel. This makes EQ-ing very quick and easy rather than using virtual knobs, this I feel plays to the strengths of a computer screen interface. The virtual Knobs are still there for precise adjustments and for people who prefer to use them, I just generally prefer the screen :).

The sound of Gliss EQ is very smooth and very adjustable. It is a dynamic EQ with a scale of nine levels for the dynamic response. This is explained better in manual than I can here but it basically means when you boost or cut by a number of dB this is then not a fixed value but one the EQ will boost/ cut around, depending on the source material fed in. This works well I find on a lot of material, the only drawback is an increase in CPU hit. If conventional EQ-ing is required the dynamic level can be switched to zero and Gliss works as a well optimised traditional EQ plug.
On top of this there are other quality and type modes. This includes the ALT quality mode which as the manual suggests is very good for bass material.

The documentation is clear and concise. It takes a while to learn all the features of Gliss , but all is logically laid out and becomes second nature to use once learned. It is no barrier however to diving in straight away and using the plug for its purpose. The features seem to be great bonuses which expand what you can do with the EQ`s sound as you learn it better.

There are about 12-15 presets already in Gliss. The presets were a good demonstration of the basic functions of the plug . I just tend to use it from default though each time as the ease of use allows me to get to where I want to go quickly.

The Customer Support is excellent, I mailed Aleksey soon after purchasing Gliss as I had found an issue using the plug in my host. I was responded to the same day and was very happy with the support I received. (In the end the bug seemed to be a problem with my host which was in release candidate state at the time).

The Value for Money is excellent. I managed to get Gliss when it had a $20 discount at the release of 2.4 but I still think it is great value at its normal retail price. I think I will be investing in more Voxengo plugs in the future.

The stability is excellent for me bar the issue I had which I believe was host related anyway.

All in all a quality plug, excellent price and support, thank you Voxengo!
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