The TX-50AS500 has a greater number of video formats than most TVs that were launched around the same time as it. This television supports an AVI video format, which is the most commonly supported video format supported by comparable spec TVs that came out around the same time as the TX-50AS500. The video formats "3GP", "FLV", "M4V", "MKV", "MP4", "TS", "VOB" and "WMV" are also supported by this Panasonic TV.
MP4 stands for Moving Pictures Expert Group 4.
WMV stands for Windows Media Video.
AVI stands for Audio Video Interleave.