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Line 8: == Format == [[Image:VariableFrequency.jpg\|thumb\|300px\|A spectrogram of aan FM signal.]] In the most usual format, the horizontal axis represents [[time]], the vertical axis is [[frequency]], and the [[intensity (disambiguation)\|intensity]] of each point in the image represents amplitude of a particular frequency at a particular time. Often the diagram is reduced to two dimensions by indicating the intensity with thicker lines, more intense colors or grey values.

Spectrogram: Difference between revisions