maad.sound.avg_power_spectro

maad.sound.avg_power_spectro(Sxx_power)[source]

Computes the average of a power spectrogram along the time axis.

Parameters:

Sxx_power2d ndarray of floats: Power spectrogram [Matrix]

Returns:

S_power_mean1d ndarray of floats: Power spectrum [Vector]

See also

avg_amplitude_spectro

Examples

>>> w, fs = maad.sound.load('../data/rock_savanna.wav') 
>>> Sxx_power,tn, fn, ext = maad.sound.spectrogram (w, fs)

Compute mean power spectrogram

>>> S_power_mean = maad.sound.avg_power_spectro(Sxx_power)
>>> S_power_mean
array([2.91313297e-04, 9.16802665e-04, 2.89179556e-04, 1.04767281e-04,
   6.66154492e-05, 4.59636926e-05, 3.59688131e-05, 3.30869371e-05,
   ...