Извлечь параметр голоса с помощью Python

freqs = np.fft.fftfreq(y.size)

def describe_freq(freqs):
    mean = np.mean(freqs)
    std = np.std(freqs) 
    maxv = np.amax(freqs) 
    minv = np.amin(freqs) 
    median = np.median(freqs)
    skew = scipy.stats.skew(freqs)
    kurt = scipy.stats.kurtosis(freqs)
    q1 = np.quantile(freqs, 0.25)
    q3 = np.quantile(freqs, 0.75)
    mode = scipy.stats.mode(freqs)[0][0]
    iqr = scipy.stats.iqr(freqs)
    
    return [mean, std, maxv, minv, median, skew, kurt, q1, q3, mode, iqr]
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