Since you are working with a specific encode, you can cross-reference your timing with reputable databases to ensure there is no "drift" during the film's 106-minute runtime: OpenSubtitles
: A single subtitle should stay on screen for at least 1.5 seconds but no more than 7 seconds . Style and Formatting : subtitle The.Invisible.Guest.2016.720p.BluRay.x...
Use for off-screen voices, phone conversations, or non-diegetic narration. Since you are working with a specific encode,