The number of video formats supported by the TX-42AS500 is more than most TVs that have been around for a similar time to it. The most commonly supported video format is MVC, but this video format is not supported by this TV. The video formats 3GP, AVI, FLV, M4V, MKV, MP4, TS, VOB and WMV are also supported by this television.
AVI stands for Audio Video Interleave.
MP4 stands for Moving Pictures Expert Group 4.
WMV stands for Windows Media Video.