iSpectrum 150w, 600w" sizes="(max-width: 300px) 100vw, 300px" />iSpectrum is an easy to use audio spectrum analyzer that allows the user to view live audio in a standard frequency plot, a stereo oscilloscope view and a waterfall display. The user can adjust the display resolution, center frequency and save images to disk.


  • Audio spectrum analyzer.
  • Spectrum Display.
  • Waterfall Frequency Display.
  • Oscilloscope View.
  • 6 User selectable bandwidth resolutions.
  • User selectable center frequency.
  • User selectable input gain.
  • Works with built-in, system and USB microphones.
  • Displayed images can be saved to disk.
  • Point-and-click frequency marker.
  • Auto centering of marker frequency when switching bandwidth.
  • Choice of FFT window functions.
  • User selectable sample averaging.


Mac OS X 10.3 and higher.
Audio input device.