function Error=SimpleCodecOutput(len,OutputBits,Windowing)

n=2^5;                                % length of window
nw=floor(len/n);                      % number of length n windows in x
Fs=2^(13);                            % Fs=sampling rate
b=2; L=0.3;                           % b = quantization bits, [-L,L] amplitude range
q=2*L/(2^b-1);                        % q used for b bits on interval [-L, L]

%%% The following for loop creates the MDCT matrix %%%

for i=1:n                             % form the MDCT matrix
    for j=1:2*n
      M(i,j)= cos((i-1+1/2)*(j-1+1/2+n/2)*pi/n);
    end
end
M=sqrt(2/n)*M;
N=M';                                 % inverse MDCT


%%% The following if block creates a windowing vector or an array of ones depending on the choice %%%

if Windowing == 1 
    h=1:1:2*n;
    h=sqrt(2).*sin((h+.5).*(pi/(2*n)));   % Windowing function
else
    h=ones(1,2*n);
end

h=h.';

%x=x.*h;

out=[];

for k=1:nw-1                          % loop over l ength 2n windows
    y1=OutputBits(:,k)
    
    y2=y1*q;                            % transform components dequantized
    w(:,k)=(N*y2).*h;                   % invert the MDCT and undo windowing
    if(k>1)
        w2=w(n+1:2*n,k-1);w3=w(1:n,k);
        out=[out;(w2+w3)/2];            % collect the reconstructed signal
    end                                 % (of length 2n less than length of x)
end

%%% The following if statement plays the sound depending on the choice in the arguments %%%

sound(out,Fs)       % play the reconstructed tone


%