The Samsung UE50J6150 has a greater number of video formats than most TVs of this type and age. This TV supports an AVI video format, which is the most commonly supported video format supported by TVs of a similar age and spec to the UE50J6150. The video formats "3GP", "VRO", "ASF", "RMVB", "TS", "MKV", "MOV", "FLV", "MP4" and "VOB" are also supported by this Samsung TV.
MP4 stands for Moving Pictures Expert Group 4.
AVI stands for Audio Video Interleave.