B-roll

B-roll of Wikimedia Foundation servers at CyrusOne in Carrollton, Texas

In film and television production, B-roll, B roll, B-reel or B reel is supplemental or alternative footage intercut with the main shot.^[1] The term A-roll, referring to main footage, has fallen out of use.^[2]

^ Bowen, Christopher J.; Thompson, Roy (2011). Grammar of the Shot. Taylor & Francis. p. 240. ISBN 9780240526010.
^ Cite error: The named reference Compesi and Gomez 2014 was invoked but never defined (see the help page).

[Bowen_and_Thompson_2011-1] Bowen, Christopher J.; Thompson, Roy (2011). Grammar of the Shot. Taylor & Francis. p. 240. ISBN 9780240526010.

[Compesi_and_Gomez_2014-2] Cite error: The named reference Compesi and Gomez 2014 was invoked but never defined (see the help page).

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