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. You may specify Fourier block size in samples, FFT window overlap percentage, spectrum's visual slope. Beside that you can choose to display secondary spectrum of a desired type (e.g. real-time maximum, all-time maximum). Spectrum can be smoothed out visually for an easier examination.

HALion Sonic is available for free as a plug-in for any VST3, AU and AAX compatible host and as a stand-alone application for macOS and Windows.

Log in or create your Steinberg ID to receive your personal activation code.

A FREE sampling plugin that allows you to play samples in the Decent Sampler format.

Youlean Loudness Meter helps you find the true perceived loudness of your audio and prepares it for TV or streaming services release.

Join the thousands of recording studios that already use it.