def _psd_mp_helper(ooi_hyd_data_obj, win, L, overlap, avg_method, interpolate, scale):
    """
    Helper function for compute_psd_welch_mp
    """
    ooi_hyd_data_obj.compute_psd_welch(win, L, overlap, avg_method, interpolate, scale)
    return ooi_hyd_data_obj.psd