The TX-L47ET60 has a greater number of video formats than most LED screens of a comparable age and spec to it. The most commonly supported video format is MPEG4, but this video format is not supported by this TV. The video formats 3GP, AVCHD, AVI, FLV, M4V, MKV, MP4, TS, VOB and WMV are also supported by this LED display.
MP4 stands for Moving Pictures Expert Group 4.
WMV stands for Windows Media Video.
AVI stands for Audio Video Interleave.