diff --git a/results.m b/results.m
index bfcbc49..d4d8144 100644
--- a/results.m
+++ b/results.m
@@ -36,4 +36,12 @@ legend("dTemp_{soll}","dTemp_{ist}","dTemp_{cmd}")
 subplot(3,1,3)
 plot(time, heater_power); grid
 legend("Power_{Heater}")
+
+# Write as wave 
+f = filter([0.01], [1 -0.99], tc_temp_ist);
+audiowrite ("/home/jens/tc_temp_ist.wav", tc_temp_ist-f, 8000)
+
+f = filter([0.01], [1 -0.99], tc_dtemp_ist);
+audiowrite ("/home/jens/tc_dtemp_ist.wav", tc_dtemp_ist-f, 8000)
+
 endfunction