Glossary: Video
B-roll
Supplementary footage used to illustrate, support or bridge a programme's primary material.
Definition
B-roll is supplementary footage edited alongside a programme's main material, often called A-roll. It can show relevant activity, establish a place, illustrate a point or help conceal an edit, provided the images are accurate and appropriate to the story.
How it works
An editor often builds a sequence around a central source such as an interview, presenter or event speech. B-roll supplies additional pictures over that source, giving viewers visual context while the underlying speech or narration continues. The editor may use a wide establishing view, a medium action shot and close detail, but the sequence should follow the meaning of the words rather than merely decorate them.
Useful B-roll is planned before filming. Read the brief, identify the locations, objects and actions that genuinely relate to the subject, then capture a range of angles and shot durations. Coverage should include enough material to handle the intended edit, while respecting permissions and the privacy of people who may appear. For an interview, record room details and relevant activity without interrupting the conversation or changing its conditions.
Record technical information consistently. Match resolution and frame rate to the planned project, set focus and exposure deliberately, and note any intentional slow motion. In a larger multicam production, camera identification and synchronized timing can help editors compare material. A log profile may preserve grading flexibility, but it needs a considered monitoring and post-production workflow.
Why it matters
B-roll can clarify abstract information and maintain visual interest, especially when a long answer contains several distinct ideas. It also offers a way to shorten an interview by covering cuts between phrases. The footage must not create a false impression: an illustrative image should not imply that a person performed an action or visited a location when that is not true.
Coverage makes an edit more flexible. If a speaker repeats a phrase or the editor needs to remove a pause, a cutaway can cover the transition. However, a cutaway is not a cure for poor sound, missing facts or contradictory continuity. Capturing clear, varied footage gives the editor choices without relying on repeated shots or misleading visual associations.
Building a useful shot list
| Shot type | Editorial purpose | Planning note |
|---|---|---|
| Establishing view | Shows the setting | Include useful signage only with permission |
| Medium action | Explains a process | Capture the action from a readable angle |
| Close detail | Emphasizes an object or gesture | Check focus and avoid accidental identifying details |
| Neutral cutaway | Bridges an edit | Keep it relevant and continuity-safe |
A shot list is a guide, not a requirement to stage events inaccurately. Label what is observational, illustrative or recreated, and communicate that distinction to the editor. Consider how each shot could be used beside the actual interview or narration. A close-up of a document, for example, may expose personal information or present unverified text as fact, so inspect the frame before rolling.
Capture handles at the beginning and end of an action, meaning a short amount of steady footage before and after the key moment. This gives an editor room to make a clean cut. Avoid stopping as soon as the action finishes, and hold a composition long enough to be useful. Use stable framing where appropriate, but purposeful camera movement can also work when it is repeatable and motivated.
Practical example
For a filmed interview in Dubai about a public-facing design project, the crew first records the interview in a quiet location. The B-roll plan then covers the relevant space, materials and non-sensitive work activity. If access is limited, the team identifies safe, permitted views rather than improvising shots that expose confidential information or imply activity that did not occur.
- List visual ideas tied to specific interview points, not generic images that could fit any subject.
- Confirm location access, filming permissions and consent for identifiable people.
- Capture wide, medium and detail views, with steady handles and varied compositions.
- Review coverage for focus, exposure, continuity and any private information in frame.
The editor can then use a relevant detail when the interviewee describes a material choice, and return to the interview for a statement that needs to remain clearly attributed. A shot log can note the clip, location and any restrictions. This small record helps avoid confusion when footage from several locations is delivered for post-production.
Common mistakes
- Filming only one angle, leaving no visual options for the edit.
- Using attractive footage that does not accurately illustrate the spoken point.
- Moving the camera continuously instead of holding usable compositions.
- Forgetting room tone and environmental continuity when planning interview coverage.
- Failing to label staged, illustrative or restricted material for the editor.
Do not assume every clip needs to be slow motion or heavily stylized. Ordinary real-time footage often explains an action more clearly. Also avoid recording a long collection of unrelated details without an editorial purpose. A smaller set of accurate, well-composed shots can be more valuable than extensive footage that is difficult to identify or use.
Frequently asked questions
What does B-roll mean?
It means supplementary footage used with a programme's primary material, commonly an interview or narration.
How much B-roll should I shoot?
Capture enough varied, relevant coverage for the planned edit. The amount depends on the subject, duration and access.
Can B-roll cover an interview edit?
Yes, a suitable cutaway can cover a visual cut, but it should not distort the speaker's meaning or timing.
Should B-roll be filmed in slow motion?
Only when the effect serves the story and the camera settings support the intended playback.
Do people in B-roll need to know they are being filmed?
Follow applicable permissions, consent and location rules, especially when people are identifiable.

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