temporal curve of each signal displayed

vocoder.m

@@ -19,3 +19,27 @@ outfile = 'vocodedsound.wav'
 if sr1~=sr2, disp('your sampling rates dont match'); end
 y = chanvocoder(carrier, modul, 512, 16, .2);
 audiowrite(outfile, y, sr1);
+
+figure;
+
+subplot(3,1,1);
+t=[1:1:size(modul,1)];
+
+plot(t,modul);
+xlabel('Time (s)');
+ylabel("Modulator's Amplitude (a.u.)");
+
+subplot(3,1,2);
+t=[1:1:size(carrier,1)];
+
+plot(t,carrier);
+xlabel('Time (s)');
+ylabel("Carrier's Amplitude (a.u.)");
+
+subplot(3,1,3);
+[y fs]=audioread(outfile);
+t=[1:1:size(y,1)];
+
+plot(t,y);
+xlabel('Time (s)');
+ylabel("Outfile's Amplitude (a.u.)");