diff --git a/play.sh b/play.sh
old mode 100644
new mode 100755
index ee5807a..b1d622b
--- a/play.sh
+++ b/play.sh
@@ -3,11 +3,11 @@
 DIRECTORY=$(dirname $0)
 . $DIRECTORY/play.conf
 
-CONVERTER="/usr/bin/qemu-arm /opt/MD380Tools/md380-emu"
-PLAYER="/opt/Tools/digestplay"
-FILE=$(mktmp)
+CONVERTER="/usr/bin/qemu-arm ./md380-emu"
+PLAYER="./digestplay"
+FILE=$(mktemp)
 
-sox $1 -c1 -r8000 -b16 --encoding signed-integer -L $FILE.raw
+sox $1 -c1 -r8000 -b16 --encoding signed-integer -L --norm=-25 $FILE.raw 
 $CONVERTER -e -i $FILE.raw -o /dev/stdout | \
 $PLAYER \
   --server-address $SERVER \