The number of video formats supported by the TX-55ASW804 is more than most comparable spec televisions that came out more than two years ago. This TV supports an AVI video format, which is the most frequently supported video format supported by large TVs that have been on the market for around the same time as the TX-55ASW804. 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.