MKV supports both soft‑coded (selectable) and hard‑coded (burnt‑in) subtitles. Moreover, it handles advanced subtitle formats like , which support custom positioning, fonts, colours, karaoke effects, and other stylised text. MP4, on the other hand, has only basic support for simple text subtitles.
. might refer to a specific performance stat (like top speed in mph) or just a lucky number [23]. 143 mkv