diff --git a/carrier22.wav b/carrier22.wav
new file mode 100644
index 0000000..8b2526c
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diff --git a/vocodedsound.wav b/vocodedsound.wav
new file mode 100644
index 0000000..fd619ff
Binary files /dev/null and b/vocodedsound.wav differ
diff --git a/vocoder.m b/vocoder.m
index b499136..fd95670 100644
--- a/vocoder.m
+++ b/vocoder.m
@@ -1 +1,27 @@
-pkg load signal
\ No newline at end of file
+pkg load signal
+
+modfile = 'modulator22.wav';
+carfile = 'carrier22.wav';
+outfile = "vocodedsound.wav";
+[modul, sr1] = audioread(modfile);
+[carrier, sr2] = audioread(carfile);
+[outfile, sr3] = audioread(outfile);
+if sr1~=sr2, disp('your sampling rates dont match'); end
+y = chanvocoder(carrier, modul, 512, 16, .2);
+audiowrite(outfile,y,sr1)
+tmod=0:1/sr1:length(modul)/sr1-1/sr1;
+tcarrier=0:1/sr2:length(carrier)/sr2-1/sr2;
+tout=0:1/sr3:length(outfile)/sr3-1/sr3;
+
+
+plot(tmod,modul);
+xlabel("time(s)");
+ylabel('amplitude modul (norm. unit)');
+subplot(3,1,2);
+plot(tcarrier,carrier);
+xlabel("time(s)");
+ylabel('amplitude carrier (norm. unit)');
+subplot(3,2,3);
+plot (tout,outfile);
+xlabel("time(s)");
+ylabel('amplitude outfile (norm. unit)');
\ No newline at end of file
diff --git a/white.wav b/white.wav
new file mode 100644
index 0000000..98c77ea
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diff --git a/white_periodic.wav b/white_periodic.wav
new file mode 100644
index 0000000..f24def4
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