msound automatically adds .mp3 to file names, and sounds are now roughly equally loud.

bin/merror

@@ -1,4 +1,4 @@
 #!/bin/bash
 
-msound error.mp3
+msound error
 notify-send -u critical -i ~/assets/img/error.png "$1" "$2"

bin/mnotify

@@ -1,4 +1,4 @@
 #!/bin/bash
 
-msound ding.mp3
+msound ding
 notify-send -u low -i ~/assets/img/info.png "$1" "$2"

bin/mshot

@@ -10,7 +10,7 @@ scrot "$DIR/pic.png"
 
 mupload "$DIR/pic.png" "img/${1}.png"
 if [ $? -eq 0 ]; then
-	msound camera-shutter.mp3
+	msound camera-shutter
 else
 	merror "mshot" "Couldn't upload image file."
 	echo "An error occurred." 1>&2

bin/msound

@@ -1,3 +1,3 @@
 #!/bin/bash
 
-mplayer -nogui "$HOME/assets/sounds/$1" </dev/null >/dev/null 2>&1 &
+mplayer -nogui "$HOME/assets/sounds/${1}.mp3" </dev/null >/dev/null 2>&1 &