Signals Matlab

% Read audio file (Put sound.wav in the same folder as this .m file)
[signal,fs] = audioread('sound.wav');
%Audio signal is stored in (signal). While (fs) is the Sampling frequency

%To plot the signal in time domain
figure;
plot(sig);
title('input audio signal in T domain');

%To play the audio file
p=audioplayer(signal,fs);
play(p);

%To save the signal into a new audio file
audiowrite('sound.wav',signal,fs);