The 55PFK6510/12 has a greater number of video formats than most similar spec TVs that have been on the market for more than a year. This TV supports an AVI video formats supported, which is the most frequently supported video formats supported supported by TVs that came out around the same time as the 55PFK6510/12. The video formats supporteds "AVC", "H.264", "MKV", "MPEG1", "MPEG2", "MPEG4", "VC-1" and "WMV9" are also supported by this Philips television.
WMV stands for Windows Media Video.
AVI stands for Audio Video Interleave.