matlab 读取音频并显示波形

主要函数

代码

%%
tic
interval = 44100;
need_exist = false;
index = 1;
while ~need_exist
try
[x, fs] = audioread( '1.mp3' , [(index-1)*interval+1, index*interval ]);
catch
[x, fs] = audioread( '1.mp3' , [(index-1)*interval+1, inf ]);
need_exist = true;
end
index = index + 1;
plot(x)
drawnow
%     pause(0.)
end
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