Convert Mv4 To Xv

What is the difference between .mv4 and .xv?

Description: M4V is a video container that stores audio and video data used for iTunes files. Files of this type may be protected from illegal viewing and copying with Apple FairPlay DRM. In this case audio or video files should be bought in iTunes store. Not protected files can be viewed almost in any modern player because the format is based on MPEG-4 structure.; This is an image format that is used for visualization in the Khoros software suite. It is a kind of VIFF bitmap image. The format consists of color zones. It is used for visualization purposes in software for both commercial and scientific purposes.