Guidelines for Captioning
Visit the Described and Captioned Media Program (DCMP) Captioning Key for more detailed guidelines.
Text
Case
- Mixed case characters are preferred for readability
- Use capital letters for shouting not for emphasis.
Font/Color
- White Characters on a dark translucent background
- Medium weight, sans serif font
- A drop or rim shadow
- Proportionally spaced, avoid overlap with other characters
Line Division
- Do not break a modifier from the word it modifies
- Do not break a prepositional phrase
- Do not break a person’s name or the title from the name with which it is associated
- Do not break a line after a conjunction
- Do not break an auxiliary verb from the word it modifies
- Never end a sentence/begin a new sentence on the same line unless they are short, related sentences containing only one or two words
Caption Placement
- Multi-lined captions should be left aligned when technically possible
- Captions are placed on the bottom two lines
- It is preferred that there are no more than two lines per caption
- If placing captions at the bottom of the screen interferes with visuals/graphics, place captions elsewhere on the screen where they do not interfere
- Place all captions with reasonable margins
- Placement should not interfere with names, faces, or mouths of speakers or text/graphics that are essential to the comprehension of the media
- Speaker identification should be used
Spelling, Punctuation, Grammar
Spelling and Capitalization
- Be consistent in the spelling of words throughout the media
- Capitalize proper nouns for speaker identification
- Lowercase sound effects, including both descriptions and onomatopoeia. Except when a proper noun is part of the description
Punctuation and Grammar
- When captioning a list separated by commas, use a serial, or Oxford, comma
- When a speaker hesitates or stutters, caption what is said
- Do not use an ellipses to indicate that the sentence continues into the next caption
- Use an ellipsis when there is a significant pause within a caption
- Use quotation marks only for on screen readings from a poem, book, play, journal, or letter
- Beginning quotation marks should be used for each caption of quoted material except for the last caption
- Use italics:
- When a person is dreaming, thinking, or reminiscing
- There is a background audio that is essential to the plot, such as a PA system or TV
- The first time a new word is being defined
- There is off-screen dialogue, narrator, sound effects, or music
- For foreign words and phrases, unless they are in an English dictionary
- When a particular word is heavily emphasized in speech
Sound Effects and Music
Sound Effects
- Describe sound effects in present tense
- A description of sound effects, in brackets, should include the source of the sound. However, the source may be omitted if it can be clearly seen onscreen
- The described sound effect should be on the first line of the caption, separate from the onomatopoeia
- Described sound effects and onomatopoeia must be lowercased
- Caption background sound effects only when they are essential to the content
Music
- Do not caption background music with a duration under 5 seconds
- A description(in brackets) should be used for instrumental/background music when it’s essential to the understanding of the program
- If possible, the description should include the performer/composer and the title
- Use descriptions that indicate the mood
Lyrics
- Caption the lyrics verbatim
- Lyrics should be introduced with the name of the artist and the title in brackets, if the presentation rate permits
- Caption lyrics with music icons
- Use one music icon at the beginning and end of each caption within a song, but use two music icons at the end of the last line of a song
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