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Audio file spectrogram, is it time vs amplitude or time vs frequency?

开发者 https://www.devze.com 2023-01-31 04:54 出处:网络
When I am trying to creat开发者_如何学Goe an spectrogram of an audio file, should I plot time vs amplitude or time vs frequency ?All three. One axis is time, one axis is frequency, and the third axis

When I am trying to creat开发者_如何学Goe an spectrogram of an audio file, should I plot time vs amplitude or time vs frequency ?


All three. One axis is time, one axis is frequency, and the third axis (or color or brightness or whatever) is the intensity of that frequency at that time, as determined by a fourier transform.

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