def Fm(fb, fc):
    """
    Compute a Bark filter around a certain center frequency in bark.

    Args:
        fb (int): frequency in Bark.
        fc (int): center frequency in Bark.

    Returns:
        (float) : associated Bark filter value/amplitude.
    """
    if fc - 2.5 <= fb <= fc - 0.5:
        return 10**(2.5 * (fb - fc + 0.5))
    elif fc - 0.5 < fb < fc + 0.5:
        return 1
    elif fc + 0.5 <= fb <= fc + 1.3:
        return 10**(-2.5 * (fb - fc - 0.5))
    else:
        return 0