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Mac the Scope Screen Shot

Spectrum analyzer, "top-view" spectrogram display, dual channel, horizontal time format.

Signal amplitude is indicated by color variation.

  • Spectrogram is drawn in real-time, from top to bottom or from left to right
  • One or two channels may be displayed
  • When analyzing sound files, time axis can show absolute time (as above) with time=0 at beginning of file
  • Variable overlap can be used to expand the resolution of the time axis (as above; also see the Offline File Processing with Mac the Scope page)
  • Trace values can be determined at specific positions with the cursor
  • If the cursor position is manually locked ("Measure" menu), the value at a given frequency is updated as the display scrolls past the cursor position
  • Color tables (including grayscale) can be modified or automatically inverted