--- mp4tools	2010-10-18 01:45:43.000000000 +0200
+++ mp4tools	2010-12-19 11:18:22.751055457 +0100
@@ -182,7 +182,7 @@
 {
 	[ -n "$3" ] && AF="-af $3"
 	green "Ripping Audio"
-	mplayer "$1" -benchmark -vo null -ao "pcm:fast:file=$2" $AF $MSG
+	mplayer "$1" -benchmark -vc null -vo null -ao "pcm:fast:file=$2" $AF $MSG
 }
 
 #aacenc <infile> <outfile>