def Load filename aseg AudioSegment from_file filename format filename

def Load(filename):
    aseg = AudioSegment.from_file(filename, format=filename[-3::1]).set_channels(1)
    aseg = aseg.set_frame_rate(16000)

    samples = np.asarray(aseg.get_array_of_samples(), float) / aseg.max_possible_amplitude
    volumes = np.clip(20 * np.emath.log10(np.abs(samples)), -70., 0.)

    ###################
    target_loudness = -20.
    meter = pyln.Meter(16000)  # create BS.1770 meter
    loudness = meter.integrated_loudness(samples)
    delta_loudness = target_loudness - loudness
    gain = np.power(10.0, delta_loudness / 20.0)
    #########################

    samples = gain * samples
    return samples