The TX-50CX670 has a greater number of video formats than most comparable spec TVs that have been on the market for a similar time to it. This Panasonic TV supports an AVI video formats supported, which is the most frequently supported video formats supported supported by comparable spec televisions that are a similar age to the TX-50CX670. The video formats supporteds "3GPP", "FLV", "M4V", "MKV", "MP4", "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.