function c=a2c(a,p,cp);
%Function A2C: Computation of cepstral coeficients from AR coeficients.
%
%Usage: c=a2c(a,p,cp);
% a - vector of AR coefficients ( without a[0] = 1 )
% p - order of AR model ( number of coefficients without a[0] )
% c - vector of cepstral coefficients (without c[0] )
% cp - order of cepstral model ( number of coefficients without c[0] )
% Made by PP
% CVUT FEL K331
% Last change 11-02-99
for n=1:cp,
sum=0;
if n