Update index.html

Author: vojtechkovanda

docs/index.html

@@ -93,6 +93,10 @@ <h2>Flute, 7 bps</h2>
 	</tbody>
 </table>
 
+<h2>Comparison of 7 bps audio in terms of SDR </h2>
+
+<img src="figures/average SDR (7 bps).svg">
+
 <h2>Clarinet, 8 bps</h2>
 <table>
 	<tbody>