The TX-L19X5 has a greater number of video formats than most televisions of a similar age and type to it. The most frequently supported video format is MPEG4, but this video format is not supported by this television. The video formats ASF, AVI, H.264, MKV, MP4 and WMV are also supported by this TV.
MP4 stands for Moving Pictures Expert Group 4.
WMV stands for Windows Media Video.
AVI stands for Audio Video Interleave.