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...an answer to all your spectrum analysis needs
SPAN Plus 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 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 and static spectrums display.
SPAN Plus 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 Plus 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 Plus also features output level metering with adjustable ballistics and integration time, K-system metering (including calibration K-system metering). SPAN Plus displays level metering statistics, headroom estimation and clipping detection. Correlation metering is available as well.
- Fast Fourier transform spectrum analyzer
- Stereo, mid-side, 5.1 spectrum analyzer
- Stereo correlation meter
- K level meter
- Real-time spectrum import/export
- Output signal power statistics
- Clipping statistics
- Stereo and multi-channel analysis
- Channel grouping
- A/B comparisons
- PNG file export
- Spectrum smoothing
- Correlation meter
- Mid/side analysis
- Preset manager
- Contextual hint messages
- Static spectrums display
- User interface window resizing
- K-system metering (unweighted)
- Internal channel routing
- Undo/redo history
- All sample rates support
This plug-in is compatible with Windows (32- and 64-bit Windows XP, Vista, 7 and later versions) and Mac OS X (10.5 and later versions, 32- and 64-bit, Intel processor-based) computers (2 GHz dual-core or faster processor with at least 1 GB of system RAM required). A separate binary distribution file is available for each target computer platform for each audio plug-in specification.
This audio plugin can be loaded into any audio host application that conforms to the AudioUnit or VST plugin specification.
RTAS compatibility is available by using the FXpansion VST-RTAS adapter.
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