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0 stars, based on 0 reviews Spexx


Create Unique Soundscapes

Generate spectral effects, from unusual, beautifully sounding reverbs to experimental spectral transformations. Versions 1.1 Out Now!

Create Unique Soundscapes

Spexx is a powerful audio effects plug-in featuring two processing stages and seven individual effects for interactive spectral manipulations of an audio signal.

Versions 1.1 is OUT NOW!

  • New Installers (now separate: Windows and Mac),
  • Software Version Check (with a periodic check for updates),
  • Factory Presets (for saving of settings or choosing from a predefined factory settings),
  • AAX support (for use with Pro Tools),
  • Undo / Redo buttons (for switching between last settings)
  • Many improvements to performance and stability as well as bug fixes.

It is designed to deeply engage with audio: it not only creates spectral transformation but all kinds of experimental effects you can think of. This makes it an incredibly versatile tool for sound designers, musicians, EDM producers, and others.

Feel like creating a great sounding reverb? Some weird spectral transformations? How about some unique sound the world hasn’t heard yet? Explore possibilities by just playing around or use the included materials to dive deeper into some predefined options.

All the effects have been designed for being simple, yet freely combinable in a modular fashion. Each effect has been engineered for very smooth sound manipulation, a maximum of tonal shaping ability and optimum performance without sacrificing usability.


  • Simple and intuitive user interface designed for maximum interactivity
  • Unique mathematical algorithms for highest possible sound quality
  • Large window for display of the generated output signal
  • Two processing stages (freeze, output) and seven individual effects (Focus, Feaze, Decay, Damping, Mirror, Pitch, and Slope)
  • Effects freely combinable in a modular fashion (via drag & drop within the processing chain)
  • Bypassing of the freeze stage to apply the output effects directly to the incoming sound
  • Floating interactive panel with controls for selected preset
  • Input and output gain controls
  • Reset button to restart accumulator
  • Various parameters for the definition of spectral resolution
  • Audio effects plug-in, supporting VST, VST 3 and AU standard (32- and 64-bit-compatible)
  • Multi-core support for glitch-free real-time performance

Multi-core support guarantees glitch-free real-time performance even for demanding projects. Gain compensation and IN/OUT trim controls ensure there is no signal clipping.

Presets from numerous artists help you get started. Partnerships with those artists provide for an expanding library of materials encompassing a number of genres and techniques.

Spexx - ADSR

Click on any of the modules in the header to make them “active” or “inactive”. Change the sequence by dragging an effect into a different position within the processing stage. Use the “On/Off” buttons to bypass the manipulated signal.

When an effect is selected, its controls appear in a floating interactive display. Drag up or down on any of these controls for a change of settings.

Set the input and output gain via the “VOL” button at the left and right of the processing chain. Click the “Reset” button to reset the accumulator and use the controls at the top of the window to adjust the spectral resolution.

Two Stages

Spexx consists of two processing stages: A freeze stage captures and accumulates the incoming sound, applying the audio effects to the captured sound continuously, causing the output signal to change over time – like the reverb tail of an echo – plus an output stage which applies a user-defined spectral operation to the signal.

Bypass the freeze stage entirely to apply the output effects directly to the incoming sound.


The user interface of Spexx has been built in a modular fashion: Drag an individual effect into the desired position in the processing chain to define the signal manipulation. Set an effect to “active” to apply it to that processing stage. Or turn it “inactive” for the signal to remain unaffected.

Click on the button again to restore the main sequence.

Seven Effects

Two categories of audio effects for the shaping of all kinds of spectral effects: Focus, Feaze, Decay, Damping for the creation of unusual, beautifully sounding reverbs. Mirror, Pitch, Slope to generate experimental spectral transformations. Any combination of these is possible for other unique soundscapes.

Live or Studio

Spexx comes with multi-core support to prevent any glitches and audio dropouts. It also features user-controllable parameters for various aspects of spectral resolution that allow you to find the best settings for any environment – in the studio, on the road, or in a live setting.

Parameters can be fully automated or mapped to external MIDI controllers.

macOS 10.8 and later (32 and 64-bit compatible)

Windows 7 and later (32 and 64-bit compatible)

The plug-in might run on older versions too, but it’s not guaranteed.

Available interface types:



  • Ableton Live 9 (and later)
  • Bitwig Studio 2
  • Cubase 9.5
  • FL Studio 12
  • Logic Pro X (Mac only)
  • Studio One 3 (and later)
  • Maschine 2 (and later)
  • Reason


  • Pro Tools (AAX is currently not supported)

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