spectrogram¶

Context¶

Example¶

In the following example, we compute and plot a spectrogram from a signal emitted by a dolphin to see the time-frequency components

from spectrum import Spectrogram, dolphin_filename, readwav
data, samplerate = readwav(dolphin_filename)

p = Spectrogram(data, ws=128, W=4096, sampling=samplerate)
p.periodogram()
p.plot()

../_images/sphx_glr_plot_spectrogram_001.png

Out:

  Duration: 7.116961451247166
W: 4096
ws: 128
Computing 1226 TFs
done

Total running time of the script: (0 minutes 1.105 seconds)

Download Python source code: plot_spectrogram.py

Download IPython notebook: plot_spectrogram.ipynb