LG LA643x Owner's Manual page 113

.mkv
[Video] H.264/AVC, XViD, MPEG-4 Part2
[Audio] HE-AAC, Dolby Digital, MPEG-1 Layer III (MP3), *DTS
.ts, .trp, .tp, .mts, .m2ts
[Video] H.264/AVC, MPEG-2
[Audio] MPEG-1 Layer I, II, MPEG-1 Layer III (MP3), Dolby Digital,
Dolby Digital Plus, AAC
.vob
[Video] MPEG-1, MPEG-2
[Audio] Dolby Digital, MPEG-1 Layer I, II, DVD-LPCM
.mpg, .mpeg, .mpe
[Video] MPEG-1
[Audio] MPEG-1 Layer I, II
*DTS : Depending on model