The 55LF650 has a greater number of video formats than most TVs of a similar age and type to it. This TV supports an AVI video formats supported, which is the most commonly supported video formats supported supported by comparable spec TVs that came out more than a year ago. The video formats supporteds "3GP", "DIVX", "DIVX HD", "MOV" and "MP4" are also supported by this television.
MP4 stands for Moving Pictures Expert Group 4.
AVI stands for Audio Video Interleave.