How to save audio in .mat file

Hi I'm a beginner in matlab and i want to save audio in .mat file how can i do that?

Answer 1

[KSSV]

y = rand(10000,1) ;   % some random signal 
Fs = 1100 ;   % som frequency 
save demo.mat ;  % save the data into .mat file 
clear y Fs  % remove the variables
load demo.mat ;
filename = 'handel.wav';
audiowrite(filename,y,Fs);
[y,Fs] = audioread('handel.wav');
sound(y,Fs);
% clear sound

[DSB]

how can i upload my own audio in .mat file?

[KSSV]

[y,Fs] = audioread(filename); save demo.mat ;

[Joseph Saxon]

Hey what is 'sig' in this thing? its not declared

[Soulaimene Jaoua]

how can I save it as MP3 file

[Shreyan Basu Ray]

@Soulaimene Jaoua change the extension from .wav to .mp3 by simply renaming the extension and then create the .mat file