The 22PFK4000 has a greater number of video formats than most similar spec TVs that have been around for around the same time as it. This television supports an AVI video format, which is the most commonly supported video format supported by televisions of this spec and age. The video formats "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.