The 55PFS5709 has a greater number of video formats than most similar spec TVs that were released around the same time as it. This TV supports an AVI video format, which is the most frequently supported video format supported by large TVs that are a comparable age to the 55PFS5709. The video formats "AVC", "H.264", "MKV", "MPEG1", "MPEG2", "MPEG4", "VC-1" and "WMV9" are also supported by this television.
WMV stands for Windows Media Video.
AVI stands for Audio Video Interleave.