[FFmpeg-user] Join 2 m4a (AAC) files via command line...

[Roger Pack]

> Oops I thought it was straight forward but I guess not, heh.
> According to http://ffmpeg-users.933282.n4.nabble.com/How-can-I-join-video-files-td4391705.html
> mencoder can do it but not ffmpeg as of yet.

My apologies looks like I was mistaken.
Recently (well, last few years) ffmpeg added support for concatenating files.
See for instance http://superuser.com/a/255566/39364

HTH.
-roger-