The KDL-40R553 has a greater number of video formats than most TVs that came out more than a year ago. The most commonly supported video format is MVC, but this video format is not supported by this TV. The video formats AVCHD, AVI, MP4, MPEG1, MPEG2 and WMV are also supported by this television.
AVI stands for Audio Video Interleave.
MP4 stands for Moving Pictures Expert Group 4.
WMV stands for Windows Media Video.