iSpectrum is an easy to use audio spectrum analyzer that allows you to view live audio in a standard frequency plot, a stereo oscilloscope view and a waterfall display. You can adjust the display resolution, center frequency and save images to disk. iSpectrum is used by Amateur Radio Operators, Audiofiles, Musicians, Sound Technicians and Educators.

Features:

  • 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.

Requirements:

Audio input device.

Online Manual
Link

Price: Freeware