Spectrogram: Difference between revisions

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.

Revision as of 12:49, 22 March 2005 (view source) Jan (talk \| contribs) No edit summary		Revision as of 23:42, 14 May 2014 (view source) Maf54 (talk \| contribs) (fixed some spelling and grammar errors) Newer edit →
Line 1:		Line 1:
	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]].