Lower thirds are also often known as "CG" (from character generator) or captions, and sometimes chyrons in North America, due to the popularity of Chyron Corporation's Chiron I character generator, an early digital solution developed in the 1970s for rendering lower thirds.2 Other common terms include superbars (or simply supers) (US) and name straps and astons (after Aston Electronic Designs) (UK).
Video with lower thirds is known as a program as broadcast or dirty. Video without lower thirds is known as a clean feed or textless.3 For international distribution programs often include textless elements on the master tape: these are all the shots that lower thirds and digital on-screen graphics have been applied to, placed end-to-end so engineers can make a clean master if necessary.
Lower thirds are usually arranged in tiers, or lines:
Lower thirds increasingly include elements such as news tickers, time and date, weather information, stock quotes, or sports scores.5
Atkinson, Claire (11 August 2008). "The battle for the lower third". Broadcasting & Cable. New Bay Media. Retrieved 7 August 2016. http://www.broadcastingcable.com/news/news-articles/battle-lower-third/85019 ↩
See this usage in The New York Times blogs; for instance: Tozzi, Lisa (28 January 2008). "Giuliani's New Ad: 'Not Endorsed'". The Caucus. The New York Times. Archived from the original on 29 January 2008. Retrieved 4 August 2024. /wiki/The_New_York_Times ↩
Green, Jonathon (2 October 2013). Dictionary of Jargon. Routledge Revivals. Routledge. p. 632. ISBN 978-1-317-90818-0. OCLC 864414293. 978-1-317-90818-0 ↩
"Best Banner & Lower Third Competition". color tape international. Retrieved 7 August 2016. http://www.colortapeinternational.com/bestbanner.php ↩
Montgomery, Mark (April 2010). "Tips for Lower Third Titles". Videomaker. ↩