What is the difference between roll-up and pop-on captioning?
Pop-on captions are distinct for their ability to appear instantly and be positioned anywhere onscreen. This style of captioning is typical in fictional work, such as sitcoms and dramas, and looks similar to movie subtitles.A pop-on caption consists of a section of text or a complete sentence and displays simultaneously with program audio. Pop-on captions are placed onscreen in correlation to the speaker. and are notable for their ability to blend into the onscreen visual of a video by moving with characters and appearing/erasing with shot changes or pauses in dialogue. Roll-up style captioning appears onscreen exactly like realtime captioning. It is typically found in non-fiction and fast-paced shows, such as news broadcasts and reality programming. Like pop-on captions, roll-up-style captions also appear synchronized precisely to the audio of a program. Unlike pop-on-style captions, roll-up captions print sentences out across the screen. New lines of text are created as the sentences
