: It supports embedding multiple audio tracks, subtitles, and chapter information.
: "MP4" is a universal digital multimedia container format. The number "34331" could be a specific FourCC (Four Character Code) used to identify a video codec or a specific file ID within a database. 34331mp4
: It is supported by nearly all digital devices, including Windows, iOS, and gaming consoles. : It supports embedding multiple audio tracks, subtitles,