Spectrogram

From Hydrogenaudio Knowledgebase
Revision as of 07:01, 1 July 2023 by TF3RDL (talk | contribs)
A constant-Q spectrogram of a short segment of a song.

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.