V_BIT_RATE=768k
A_BIT_RATE=128k
LOG="timings/$2-mkv.log"
TIC=`date +%s`
$ffmpeg -i "$1" $ffmpegopts -y -v -1 \
-f ogg \
-b "$V_BIT_RATE" \
-ac 1 -ab "$A_BIT_RATE" -aq 60 \
"encodes/$2.ogg"
TOC=`date +%s`
echo "`expr $TOC - $TIC`" >> $LOG