The number of video formats supported by the Philips 50PFK6540 is more than most TVs of this type and age. This TV supports an AVI video format, which is the most frequently supported video format supported by comparable spec televisions that were launched around the same time as the 50PFK6540. The video formats "AVC", "H.264", "MKV", "MPEG1", "MPEG2", "MPEG4", "VC-1" and "WMV9" are also supported by this Philips TV.
WMV stands for Windows Media Video.
AVI stands for Audio Video Interleave.