A speech segment is recorded: it is assumed to be periodic with a period given by the following samples s(n) = [0, 1, 2, 0, -2, -1]. The covariance function is given by Nu-1 o(i, k) = s(n-k)s(n-i), 0i, k Nw-1, no where the processing window has length N= 30 (note that it is a multiple of the period). Let the model order be p = 2. (a) (8 points) Compute o(i, k), i, k = 1,...,p, and o(,0), i = 1,..., p.