Voxengo SPAN User Guide
Voxengo SPAN User Guide
Version 3.8
https://www.voxengo.com/product/span/
Voxengo SPAN User Guide
2
Contents
Introduction 3
Features 3
Compatibility 3
User Interface Elements 5
Spectrum 5
Statistics 5
Metering 6
Correlation Meter 6
Credits 8
Voxengo SPAN User Guide
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Introduction
SPAN is a real-time “fast Fourier transform” audio spectrum analyzer plug-in 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.
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.
SPAN supports multi-channel analysis and can be set to display spectrums from two
different channels or channel groups at the same time. Spectrum's color can be
chosen to taste.
SPAN also features output level metering with adjustable ballistics and integration
time, K-system metering (including calibration K-system metering). SPAN displays
level metering statistics, headroom estimation and clipping detection. Correlation
metering is available as well.
Features
Output signal power statistics
Spectrum smoothing
User interface window resizing
True peak and clipping statistics
Correlation meter
EBU R128 LUFS/LU metering
K-system metering (unweighted)
Stereo and multi-channel analysis
Mid/side analysis
Internal channel routing
Channel grouping
Preset manager
Undo/redo history
A/B comparisons
Contextual hint messages
All sample rates support
Compatibility
This audio plug-in can be loaded into any audio host application that conforms to the
AAX, AudioUnit, VST or VST3 plug-in specification.
This plug-in is compatible with Windows (32- and 64-bit Windows XP, Vista, 7, 8, 10
and later versions, if not announced otherwise) and macOS (10.11 and later versions,
if not announced otherwise, 64-bit Intel processor-based) computers (2.5 GHz dualcore or faster processor with at least 4 GB of system RAM required). A separate
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