The Panasonic TX-55AS650 has a greater number of video formats than most large TVs that were launched around the same time as it. This TV supports an AVI video format, which is the most frequently supported video format supported by similar spec televisions that came out more than two years ago. The video formats "FLV", "M4V", "MKV", "MP4", "TS", "VOB" and "WMV" are also supported by this television.
MP4 stands for Moving Pictures Expert Group 4.
WMV stands for Windows Media Video.
AVI stands for Audio Video Interleave.