How can I play the output from LMS filter ?

close all;
clear all;clc;

[signal,fs] = audioread('signal.wav');

%%soundsc(signal,fs);
noise = wgn(length(signal), 1, 0);
d = signal + noise;
sound(d)

x = sin(1./(1+exp(-noise)));
mu =  0.1;
M = 20;
tic
[e1, y1, w1] = myLMS(d, x, mu, M);
toc

figure()
subplot(3,1,1)
plot([1:length(x)]/fs,x);
xlabel('time');
title('x(n)');
subplot(3,1,2)
plot([1:length(d)]/fs,d);
xlabel('time');
title('d(n)');
subplot(3,1,3)
plot([1:length(y1)]/fs,y1);
xlabel('time');
title('LMS y(n)');

function [e, y, w] = myLMS(d, x, mu, M)

    Ns = length(d);
    if (Ns <= M)  
        print('error: ????????????');
        return; 
    end
    if (Ns ~= length(x))  
        print('error: ??????????????');
        return; 
    end
    
    x = x; 
    xx = zeros(M,1);
    w1 = zeros(M,1);
    y = zeros(Ns,1);
    e = zeros(Ns,1);
    
    for n = 1:Ns
        xx = [xx(2:M);x(n)];
        y(n) = w1' * xx;
        e(n) = d(n) - y(n);
        w1 = w1 + mu * e(n) * xx;
        w(:,n) = w1;
    end

end