Converting AVCHD Videos (part 2)

Recently I tried to use ffmpeg to convert AVCHD to mp4. However I experienced sound issues and I discovered the default audio bitrate was used (64k). I needed to enhance the command to:

ffmpeg -i $1 -sameq -ab 192000 -f mp4 $1.mp4

This is on Ubuntu 11.04 x86_64.