The TX-50ASW504 has a greater number of video formats than most similar spec TVs that are a comparable age to it. This Panasonic television supports an AVI video format, which is the most commonly supported video format supported by large TVs that were launched more than two years ago. The video formats "3GP", "FLV", "M4V", "MKV", "MP4", "TS" and "VOB" are also supported by this television.
MP4 stands for Moving Pictures Expert Group 4.
AVI stands for Audio Video Interleave.