diff --git a/player/speaklines.sh b/player/speaklines.sh
index cf85755..0087eab 100644
--- a/player/speaklines.sh
+++ b/player/speaklines.sh
@@ -2,9 +2,9 @@ lineno=0
 while read line
 do
 lineno=$((lineno+1))
-filename=`printf "speech%04d" $lineno`
+filename=`printf "speech%02d" $lineno`
 espeak "$line" -w "$filename.wav"
-ffmpeg -i "$filename.wav" -metadata title="$line" -y $filename.mp3 > /dev/null 2> /dev/null 
+ffmpeg -i "$filename.wav" -metadata title="$line" -y $filename.ogg > /dev/null 2> /dev/null 
 rm "$filename.wav"
 done