%Record your voice for 3 seconds
   recObj= audiorecorder(44100,16,1);
   disp('Start speaking.')
   recordblocking(recObj,3);
   disp('End of Recording.');

%Play back the recording.
play(recObj);
%Store data in double-precision array.
myRecording = getaudiodata(recObj);

%Plot the waveform.
plot(myRecording);

audiowrite('filename',myRecording,44100);