def _use_time_window_post_cue(x, fs=250, t1_factor=1.5, t2_factor=6):
    """
    Prepares the input data to only use the post-cue range.

    Parameters:
     - x:         np.ndarray, size = [s, C, T], where T should be 1750
     - fs:        integer, sampling rate
     - t1_factor: float, window will start at t1_factor * fs
     - t2_factor: float, window will end at t2_factor * fs

    Returns np.ndarray, size = [s, C, T'], where T' should be 1125 with default values
    """

    assert t1_factor < t2_factor

    t1 = int(t1_factor * fs)
    t2 = int(t2_factor * fs)

    return x[:, :, t1:t2]