The Panasonic TX40DSW404 has a greater number of video formats than most recently released TVs. This TV supports an AVI video formats supported, which is the most frequently supported video formats supported supported by mid-size TVs that were released in the last year. The video formats supporteds "3GPP", "FLV", "M4V", "MKV", "MP4", "PS", "TS", "VOB", "VRO" 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.