One of the biggest questions of those unaquainted with the closed captioning world is the differences between offline captioning styles, of which there are many — roll-up and pop-on are the most common but are by no means the only types of captions. The variables are nearly unlimited and include upper-/lower-case text, means of indicating speaker change, and placement of captions.
Be confused no longer, world! The 2013 style guide will show you the small but important distinctions between an ever-growing variety of captions.
Presenting for your education, the VITAC style guide!