: Aim for 15–20 CPS to ensure the audience can read the text without missing the visual cues of the actors' performances. Maximum Line Length : Keep each line under 42 characters .

Use for off-screen voices, phone conversations, or non-diegetic narration.

Use to indicate when two different characters are speaking in the same subtitle block. Technical Metadata Template

: A single subtitle should stay on screen for at least 1.5 seconds but no more than 7 seconds . Style and Formatting :