To observe the effect of N on C/I ratio and comment on the voice quality.

To observe the effect of N on C/I ratio and comment on the voice quality.

Software Used: MATLAB

Program:

clc;

clear all;

close all;

n=1;

for i=1:1:5;

    for j=0:1:5;

        if (i==1&&j==0);

        else

        N=i^2+i*j+j^2;

        Q=sqrt(3*N);

        M=10*log10(Q^4/6);

        table(n,1)=i;

        table(n,2)=j;

        table(n,3)=N;

        table(n,4)=Q;

        table(n,5)=M;

        n= n+1;

    end

    end

end

S=sortrows(table,3);

for i=1:1:18;

    if(S(i,3)==S(i+1,3));

        S(i,:)=[];

    end

end

disp('i         j          N           Q           C/I');

disp(S);

Output :-

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