def lpc(frame, order):
    """
    frame: windowed signal
    order: lpc order
    return from 0th to `order`th linear predictive coefficients
    """
    r = acf(frame, unbiased=False, nlags=order)
    return levinson_durbin(r, order)[0]
def lpc ( frame , order ) : r = acf ( frame , unbiased = False , nlags = order ) return levinson_durbin ( r , order ) [ 0 ]
frame: windowed signal
    order: lpc order
    return from 0th to `order`th linear predictive coefficients