Spectrogram: Difference between revisions

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


The data that are nessecary to create such a graph are gathed 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]].

Revision as of 23:42, 14 May 2014

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

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.