matlab¶ÁÈ¡mp3Îļþ²¢ÇÒ²¥·Å

clc; clear; close all;
t = 0:0.01:15;
%1¡¢¶ÁÈëÒôƵÎļþ
[xr,fs]=audioread('canon.mp3');
xr=xr(:,1)'; 
plot(xr)
x=awgn(xr,9,'Measured');%¼ÓÔëÉù
plot(x,'r');  %ÏÔʾ²¨ÐÎ
grid on;
hold on; %ÉèÖÃͼÏñ±£³Ö
plot(xr,'b');
sound(xr,fs);