The number of video formats supported by the TX-55DS500 is more than most TVs that were launched around the same time as it. This television supports an AVI video formats supported, which is the most commonly supported video formats supported supported by large TVs that came out in the last year. The video formats supporteds "3GPP", "M4V", "MKV", "MP4", "PS", "TS", "VOB", "VRO" and "WMV" are also supported by this TV.
MP4 stands for Moving Pictures Expert Group 4.
WMV stands for Windows Media Video.
AVI stands for Audio Video Interleave.