The number of video formats supported by the 48PFS6609/12 is more than most comparable spec TVs that are a similar age to it. This TV supports an MKV video formats supported, which is the most frequently supported video formats supported supported by mid-size TVs that have been around for around the same time as the 48PFS6609/12. The video formats supporteds "AVC", "AVI", "H.264", "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.