pyACA.FeatureSpectralCrestFactor Namespace Reference

Functions
	FeatureSpectralCrestFactor (X, f_s)
	computes the spectral crest from the magnitude spectrum

Function Documentation

FeatureSpectralCrestFactor()

FeatureSpectralCrestFactor	(		X,
			f_s )

computes the spectral crest from the magnitude spectrum

Parameters

X	spectrogram (dimension FFTLength X Observations)
f_s	sample rate of audio data

Returns

vtsc: spectral crest

Definition at line 12 of file FeatureSpectralCrestFactor.py.

def FeatureSpectralCrestFactor(X, f_s):
 
    norm = X.sum(axis=0, keepdims=True)
    norm[norm == 0] = 1
 
    vtsc = X.max(axis=0) / norm
 
    return np.squeeze(vtsc, axis=0)