Summary
SPAN Plus is a real-time fast Fourier transform (FFT) audio frequency spectrum analyzer plugin for professional music and audio production, supporting AAX, AudioUnit, and VST formats.
Features
- Supports stereo, mono, mid-side, and multi-channel spectrum analysis including 7.1 and 5.1 surround sound
- Multi-track spectrum comparison with real-time spectrum import/export
- Wide spectrum display mode and static spectrum visualization
- Color customizable spectrum display with smoothing options
- Spectrum analyzer preferences adjustable via a flexible mode system (Fourier block size, FFT overlap percentage, visual slope)
- Output level metering with adjustable ballistics and integration time
- Supports EBU R128 and K-system metering including calibration
- RMS, true peak level, clipping detection, headroom estimation, and correlation metering
- Ability to save spectrum snapshots as PNG files
Compatibility
Available for 64-bit Windows and Mac OS as VST, AudioUnit, AAX, and VST3 plugins. Compatible with major digital audio workstations such as Ableton Live, Cubase, Logic Pro, REAPER, Pro Tools, FL Studio, Studio One, and others.
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