The number of video formats supported by the TX-42AS500 is more than most TVs of this spec and age. This TV supports an MKV video formats supported, which is the most frequently supported video formats supported supported by TVs of this spec and age. The video formats supporteds "3GP", "AVI", "FLV", "M4V", "MP4", "TS", "VOB" 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.