The TX-49DS500 has a greater number of video formats than most similar spec televisions that have been available for a comparable time to it. This TV supports an AVI video format, which is the most frequently supported video format supported by TVs that are a similar age to the TX-49DS500. The video formats "3GPP", "FLV", "M4V", "MKV", "MP4", "PS", "TS", "VOB" and "VRO" are also supported by this television.
MP4 stands for Moving Pictures Expert Group 4.
AVI stands for Audio Video Interleave.