def erb_space(
    low_freq=DEFAULT_LOW_FREQ,
    high_freq=DEFAULT_HIGH_FREQ,
    num=DEFAULT_FILTER_NUM,
):
    """
    This function computes an array of ``num`` frequencies uniformly spaced
    between ``high_freq`` and ``low_freq`` on an ERB scale.

    For a definition of ERB, see Moore, B. C. J., and Glasberg, B. R. (1983).
    "Suggested formulae for calculating auditory-filter bandwidths and
    excitation patterns," J. Acoust. Soc. Am. 74, 750-753.
    """
    return erb_point(low_freq, high_freq, tf.range(1, num + 1, dtype=tf.float32) / num)

    This function computes an array of ``num`` frequencies uniformly spaced
    between ``high_freq`` and ``low_freq`` on an ERB scale.

    For a definition of ERB, see Moore, B. C. J., and Glasberg, B. R. (1983).
    "Suggested formulae for calculating auditory-filter bandwidths and
    excitation patterns," J. Acoust. Soc. Am. 74, 750-753.
    
tensorflow_asr/features/gammatone.py