Add chanvocoder execution file and sound created

Code/chanvocoder_execution.m

@@ -0,0 +1,14 @@
+modfile = 'Sound/modulator22.wav';
+carfile = 'Sound/carrier22.wav';
+outfile = 'Sound/vocodedsound.wav';
+
+[modul, sr1] = audioread(modfile);
+[carrier, sr2] = audioread(carfile);
+
+if sr1 ~= sr2
+    disp('Sampling rates dont match');
+end
+
+y = chanvocoder(carrier, modul, 512, 16, 0.2);
+audiowrite(outfile, y, sr1);
+