Hi,
YAMB or Yet Another MP4Box GUI can be interesting for you if you would like to create mp4 files by adding different A/V files or edit some kind of files.
YAMB Features :- Mux a lot of Audio (aac, mp4, mp3, vorbis...) & Video Files (3gp, mp4, mpeg, vob, ogg, avi...) with subtitles and chapters support.
- Split/Join mp4 files.
- Extract some tracks from AVI files or raw/mp4/3gp streams, subtitles and chapters.
- Have some infos about your files.
- Tagging.
Here is a screenshot :
Download : Yamb with installer (Yamb+mp4box) /
Yamb exe only or
here if the first links are broken.
Guide :
A great overview to create/edit mp4 files with Yamb ::
http://www.doom9.org/mp4.htm
Discussion :