The TX-55CS620 has a greater number of video formats than most televisions of this age and spec. This TV supports an AVI video format, which is the most frequently supported video format supported by televisions of this type and age. The video formats "3GPP", "FLV", "M4V", "MKV", "MP4", "TS", "VOB", "VRO" 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.