The TCL-Digital H32E4473 has a greater number of video formats than most TVs of this age and type. This television supports an AVI video format, which is the most frequently supported video format supported by similar spec TVs that are a comparable age to the H32E4473. The video formats "MP4", "MPG" and "TS" are also supported by this TV.
MP4 stands for Moving Pictures Expert Group 4.
AVI stands for Audio Video Interleave.