diff --git a/acatcher/make_mp3.sh b/acatcher/make_mp3.sh
new file mode 100755
index 0000000..504adbf
--- /dev/null
+++ b/acatcher/make_mp3.sh
@@ -0,0 +1,16 @@
+#!/bin/sh
+if [ ! -z "$LAME_PRESET" ]; then
+  PRESET="$LAME_PRESET"
+else
+  PRESET="studio"
+fi
+
+if [ ! -z "$1" ]; then
+  MP3NAME="`basename \"$1\" .wav`.mp3"
+  lame --preset $PRESET "$1" "$MP3NAME"
+else
+  for F in *.wav; do
+    MP3NAME="`basename \"$F\" .wav`.mp3"
+    lame --preset $PRESET "$F" "$MP3NAME"
+  done
+fi