diff --git a/local/bin/noise b/local/bin/noise
new file mode 100755
index 0000000..1efb5f1
--- /dev/null
+++ b/local/bin/noise
@@ -0,0 +1,10 @@
+#!/bin/sh
+
+len='7:00:00'
+
+if [ "$1" != '' ]; then
+  len=$1
+fi
+
+play -t sl - synth $len  brownnoise \
+     band -n 1200 200 tremolo 20 .1 < /dev/zero