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Voxengo SPAN Spectrum Analyzer Plug-In (Windows - Free)

Author or Manufacturer: Voxengo
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SPAN is a real-time FFT spectrum analyzer PC VST plug-in. For the most part it was derived from GlissEQ and CurveEQ professional equalizers and it reproduces their spectrum analysis functionality.

Parameters:

Block - specifies the block size of the FFT (Fast Fourier Transform) spectrum analyzer. The more the block size the more the resolution in the lower frequency range, but less time coherence in the higher frequency end.

Speed - specifies the speed (averaging coefficient) of the spectrum analyzer. The less the speed the more latent spectrum analyzer is. This setting is effective only if the "RealT" monitoring mode is used.

Slope - allows you to adjust the spectrum analyzer display slope towards higher frequencies. This can be useful because higher frequencies are usually weaker than lower frequencies, and thus tuning them can be a difficult task. By choosing an appropriate slope setting, you can compensate for this behavior and make the spectrum plot more convenient and meaningful.

Channel - specifies which audio channel gets analyzed. "Avg" means the average of the L and R channels will be analyzed. "Max" means the maximum of the L and R channels will be analyzed.

Monitor - specifies the monitoring mode. "RealT" means real-time spectrum is displayed. "Avg" means "average of all time" is displayed. "Max" means "maximum of all time" is displayed. In the "Inertia" mode the previously displayed spectrum will be displayed again in a darker color. In the "Full" display mode the whole spectrum resolution is used. Other options offer graph displays of varying resolution.

Meter Mode - selects metering mode (the way RMS values represented). Pure - standard RMS/PeakRMS value. Pure3 - standard RMS/PeakRMS value + 3 dB. K-20/K-14/K-12 - Katz metering system RMS/PeakRMS value.

Low Freq/High Freq - frequency range to display.

dB Scale - specifies dB range to display. First value is dB shift and the second value is dB range.

Peak Hold - amount of seconds to keep peaks displayed.

Download at: Voxengo SPAN Spectrum Analyzer Plug-In (Windows - Free)

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