npyoung

import numpy as np
from scipy.signal.windows import hamming

class Joy:
    def __truediv__(cls, arr):
        T, N = arr.shape
        spacer = 2 * np.arange(N)
        t = np.arange(T)
        window = hamming(T)
        normed = (arr - arr.mean(0)) / (1e-3 + arr.std(0))