Difference between revisions of "Spectrogram"

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A spectrogram is a graph showing the distribution of energy between frequency bands.
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A spectrogram is a graph showing the distribution of energy between frequency bands over time.
  
 
The data that is necessary to create such a graph is gathered by transforming [[time domain]] ([[PCM]]) data to [[frequency domain]], e.g. using [[FFT]].
 
The data that is necessary to create such a graph is gathered by transforming [[time domain]] ([[PCM]]) data to [[frequency domain]], e.g. using [[FFT]].
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[[Category:Signal Processing]]
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[[Category:Technical]]

Latest revision as of 04:07, 10 May 2022

A spectrogram is a graph showing the distribution of energy between frequency bands over time.

The data that is necessary to create such a graph is gathered by transforming time domain (PCM) data to frequency domain, e.g. using FFT.