SPAN is a free real-time “fast Fourier transform” (FFT) audio frequency spectrum analyzer AAX, AudioUnit, and VST plugin for professional audio and music production applications. SPAN provides you with a very flexible “mode” system which you can use to setup your spectrum analyzer preferences.

SPAN Plus is a real-time “fast Fourier transform” (FFT) audio frequency spectrum analyzer AAX, AudioUnit, and VST plugin for professional music and audio production applications.

Compatible 64-bit Mac OS and Windows PC VST, AudioUnit, AAX, VST3 plugin host software: Ableton Live, Cubase, Logic Pro, REAPER, Pro Tools, FL Studio, Studio One, OBS, Bitwig Studio, Nuendo, WaveLab, Vegas, SoundForge, GarageBand, Cakewalk, Adobe Audition, Samplitude, Digital Performer, Mixcraft, Edius, others.

Feature list and compatibility information of Voxengo SPAN - Free Spectrum Analyzer Plugin

December 12, 2022: Voxengo is happy to announce the release of SPAN Plus version 1.21 - an extended real-time “fast Fourier transform” audio spectrum analyzer plug-in for professional music and audio production applications. SPAN Plus is available in AAX, AudioUnit, VST, and VST3 plug-in formats, for macOS and Windows computers.

SPAN is a free real-time “fast Fourier transform” audio spectrum analyzer plugin for professional music and audio production applications. SPAN is available in AudioUnit, AAX, VST, and VST3 plugin formats, for macOS and Windows computers.

SPAN is available in AudioUnit, AAX, VST and VST3 plug-in formats (including native 64-bit support), for Mac OS X (v10.6 and later), and Windows computers. List of changes in version 2.10: Added "Cyan" color scheme.

SPAN Plus is an extended version of the freeware SPAN plug-in: SPAN Plus provides several additional features such as PNG file export, real-time spectrum import/export for multi-track spectrum comparisons, static spectrums display, and a “wide” display

Discover and download paid and free VST3 audio plugins, AudioUnit, AAX, VST plugins, mastering plugins, equalizer plugins, clipper, and limiter plugins.

SPAN is a free real-time “fast Fourier transform” audio spectrum analyzer plugin for professional music and audio production applications. For the most part it was derived from Voxengo GlissEQ dynamic parametric equalizer and reproduces its spectrum analysis functionality.