ck to the .vob file ripped from a DVD with tccat, it's commonplace for such multimedia files to have m... ill operate on the first available sound track.
It so happens that I have such a .vob file on-disk, so let's see what ffmpeg thinks of it:
<code>
$ ffmpeg -i mr.vob
FFmpeg version SVN-r9... m, #0.3. If I don't tell ffmpeg which one to use, it'll go ahead and transcode the first one it finds,