Overview
A Spectrum Analyzer is a meter that measures amplitude across the frequencies which encompass the spectrum of human hearing. The vertical axis represents amplitude while the horizontal axis represents frequency.
Cursor Position Readout
Hovering your cursor anywhere in the spectrum analyzer will display a readout of the frequency and amplitude at that location.
Zooming and Scrolling
Both the frequency and decibel scales are freely zoomable and draggable. To zoom in on a given scale simply hover over the scale and use your mouse wheel to zoom in or out. To drag a given scale simply click anywhere on the scale and drag it in the desired direction. Double-click on either scale to return to the default view.
Options
The Spectrum Analyzer includes the following options:
- Spectrum Type: Selects between 4 different types of spectrums.
- Linear: a continuous line connecting the calculated points of the spectrum.
- 1/3 Octave: Splits the spectrum into bars with a width of 1/3 of an octave. Although the spectrum is split into discrete bands, this option can provide excellent resolution at lower frequencies.
- Full Octave: Splits the spectrum into bars with a width of one full octave.
- Critical Bands: Splits the spectrum into bands that correspond to how we hear, or more specifically how we differentiate between sounds of different frequencies. Each band represents sounds that are considered “similar” in frequency.
- Average Time: Spectrum is averaged according to this setting. Higher average times can be useful for viewing the overall tonal balance of a mix, while shorter average times provide a more “real time” display.
- Peak Hold Time: Selects between specific hold times in milliseconds, or Infinite, where the peak is held indefinitely.
- Window Size: Controls the trade off between frequency and time resolution in the spectrum. Higher values will let you see smaller peaks in the spectrum, but the spectrum will update more slowly.
- Window: Selects a window type for the spectrum. In most cases the default window type will work well, but you can choose from a variety of window types. Each window type has different amplitude and frequency resolution characteristics.
- Overlap: Controls how often the spectrum updates. More overlap will cause the spectrum to update more frequently, at the expense of increased CPU usage.
- Show Peak Hold: Turns the peak hold display on/off.
Insight 2.3.0
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