When hardcoding (burning in) subtitles, the most universally compatible output format is MP4 with the H.264 video codec and AAC audio. This combination is playable on nearly all devices.
: A timestamp or duration marker. In specific rendering pipelines, this represents either a highly precise frame-accurate timecode or a ultra-long-form rendering block (approximately 24 hours of continuous surveillance or broadcast logging). gvh597engsub convert024120 min new