If you’re into video production, you might have encountered the termsA rolland B roll. While it’s obvious that they’re different based on their names, there is a huge difference between each of them. If you’re into filmmaking, it pays off to recognize their difference so that you can use the right one based on what’s being called for in the situation or application. Find out in the following.
Highlights
· A roll is the primary footage on a video project, film, or a similar production you’re shooting. The idea with the A roll is having a 2-camera setup with the A-camera used for the primary footage.
· The A roll shot using the A-camera designates not only the primary and most important footage but also the best shot.
· On the other hand, the B-roll means that the shot is taken by the B-camera. It also means that it’s supplemental footage to support the A-roll of the A-camera.
· The A-roll and the B-roll can be simultaneously shot for an alternative coverage or angle. It could also be a footage shot taking place at a different place and time.
A Roll vs. B Roll: What’s the Difference?
In any video production, the A roll is the main footage or shot of the main subject and the B roll is considered as the supplemental or support footage.
The B roll is combined or spliced with the A roll to make the story more engaging and eliminate the boredom that the A roll shot alone could cause.
It also illustrates a point and shows a story. Nevertheless, the B roll footage is important because an A roll footage alone might not engage the audience enough, as the A roll footage can be monotonous.
The A roll and B roll are commonly filmed by the first and second unit, with the first unit filming the A-roll footage and the second unit filming the B-roll on larger productions. For smaller productions, however, there can only be one crew unit, which would shoot both the A-roll and B-roll.
Using A roll and B roll
How are A- and B-rolls used? Both the A and B rolls can be used in different project types, although there are guidelines. Besides, each project and shoot also has different requirements. But nevertheless, how you use A- and B-roll is your choice.
The A-roll is the one that tells the story from the beginning to the end, in productions like a news segment or an interview. It’s also the main audio and video, which consists of at least one person relating a narrative or discussing a specific topic. It’s also the driving media in news broadcasts, reality shows, talk shows, and documentaries.
Using the A roll, the person can communicate or narrate the story clearly and with focus. But with focus, there can also be boredom that might disengage an audience.
As it just tells the story, many times it fails to show. In addition, using an A-roll media alone can also capture coughs, fumbled lines, and sniffles, which all must be edited out the video. Thus, the B-roll becomes handy in any of these situations, leading us to the next point.
The B-roll, as again, is supplemental footage, supporting the A-roll visually. This is the one that shows the story that the A-roll tells. So, if a news segment narrates a story, the B-roll media then shows what’s happening in that story. It confirms the story that the A-roll tells and keeps the audience engaged.
Besides this, B-rolls are also used as cutaways, allowing the video editor to remove portions of the A-roll seamlessly. Editors can also use a cutaway to combine specific portions of the A roll and allow them to cut or edit out some audio part of the A-roll when needed.
Such cutaways are helpful when they want to remove certain parts of an interview, for instance, like when the interviewee says um or stutters often.
The B-roll brings the story to life. As sans the B-roll, an A-roll can be extremely boring and not engaging enough. It allows the narrator to show the story itself in a clearer way. But whatever of the footage from the B-roll you’re using, it should support that of the narrative being told by the A-roll media.
Editors can combine, merge, and mix both the A and B roll media with editing software if they want to make the story more engaging and alive.
Using both the rolls together and properly, you’ll be able to tell and show a story at the same time and make it a better one for the audience.
Uses of A Roll and B Roll
Video professionals and filmmakers understand exactly how to use either of this for their projects, and here are what their uses are in a specific application.
Interview shoots
In an interview style production, one can easily distinguish the A and B roll. For example, as you’re watching an interview subject discussing a topic or an issue, it’s theA-rollfootage being used.
Then at specific times or points during the production, you’ll see additional footage following a cut. It corresponds with the same audio. This is called the B roll footage, which can also be used in an interview using a multiple camera setup.
If this is the case, the A-camera will be directed at the subject of the interview, recording the A roll, while the B-camera is in a fixed position, capturing a different angle or moving around to capture a wide range of angles.
Narratives
The A roll is typically composed of at least one person talking about the subject of the interview, the story, or the narrative. In this setup, the A camera will follow the subject/s, but again may not keep the audience engaged.
To prevent this from happening, the B roll will show the story that the A roll is presenting or discussing, ensuring the story stays engaging for the viewers.
But in a documentary shoot, a B-roll can be a combination of both narration and scene-setting, wherein at least one subject is in action. It can also be close-ups of objects, places, and people.
Live Shoots
The A camera is set up in order to capture or shoot the widest shot possible in a regional stage production, ensuring maximum coverage, while the B camera is the one used to shoot the close-up shot.
Both the A- andB-rollare useful in production and editing, especially complex projects, with the first one serving as the edit’s backbone. It is the footage the editors use often for the maximum coverage. And when working with an NLE timeline, editing based on the A-roll as the first step can be very useful, while the B-roll as a complementary footage that can fill in any gap that the A-roll cannot provide.
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