The number of video formats supported by the Panasonic TX-40CS520 is more than most mid-size TVs that have been on the market for more than a year. This TV supports an AVI video formats supported, which is the most frequently supported video formats supported supported by televisions of this age and spec. The video formats supporteds "3GPP", "FLV", "M4V", "MKV", "MP4", "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.