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What is B-roll? Everything You Need to Know

B-roll is supplemental footage used in video and film production to enrich the main (or A-roll) content.
Sumia Rafique
by Video Tech Expert
Sumia Rafique
updated Jun 23, 25
In this article
    1. Definition
    2. The Visual Characteristics of B-roll Footage
    1. Object Close-Ups
    2. Time-lapse Videos
    3. Hands Working on Something Important
    1. Genre-Specific Applications for the B-roll Technique
    2. B-roll Creative Combinations and Uses
    3. A Few Artistic Considerations Concerning B-roll Film

Understanding [B-roll]

Understanding how to organize a whole bunch of clips at the beginning of a long video editing project is a tough nut to crack. Deciding which scene to use and when is very important, and properly labeling and organizing your material is crucial. One of the most general ways to divide clips is to put them in the A-roll or B-roll category.

Let's talk about B-roll clips, why they are important, and how to use them in video editing.

what is b-roll footage
Definition

B-roll is defined as secondary video footage used to support and enhance the main content of a video, which is known as A-roll. While A-roll footage focuses on the main subject, B-roll provides context. For example, if you are making an interview video, A-roll would be footage of people talking, while B-roll would be something that illustrates what is being said in the interview.

The Visual Characteristics of B-roll Footage

  • Convey Meaning in Cutaways: This type of footage is often used to cut away from the main footage to show related visuals. For instance, if you are making a video about remote work, you can use B-roll footage of hands typing on the keyboard to provide context without dialogue.
  • Showcase Important Details: B-roll is usually slow-motion close-ups or wide shots with a lot of ambiance. This type of footage focuses on movement. Think of a slow-panning camera over a city landscape, a camera slowly moving through nature, or a close-up of somebody hard at work.
  • Focus on Unscripted Natural Movement: Most B-roll footage is usually something candid or natural. It is secondary footage, so there is no need to plan anything. There is no need for specific acting and direction. You need naturally flowing actions that make the video feel organic and real.

What are the Most Popular Types of B-roll Footage?

There are many different types of B-roll footage, but we have narrowed it down to the three most popular types.

Object Close-Ups

When describing a particular type of object, you can introduce some B-roll footage that depicts the object in question. Here is a short video of a bus engine working, which can serve as B-roll when talking about it.

b-roll footage media

Time-lapse Videos

There is no better way to tell an audience that time is passing than to actually show it passing very fast. That's what makes time-lapse videos so popular. Here is a time-lapse that actually depicts the passage of time on a clock.

passage of time b roll filmora

Hands Working on Something Important

B-roll footage is very important for showing how someone is taking care of a delicate task. Here is a short B-roll clip of someone handling expensive jewelry in a shop.

other b-roll footage

All these B-roll videos are available in Filmora's video library.

When and Where Should You Use B-roll?

If you were wondering what B-roll footage is used for, here's an easy explanation.

Genre-Specific Applications for the B-roll Technique

Take a look at some specific video genres that can take advantage of B-roll footage.

Documentaries
If you are making any type of documentary film or series, you have to use B-roll. If the main subject is history, you need several historical photos to show using the Ken Burns effect. If you are talking about a specific location, you need some B-roll of that location. All this is done to keep the content visually dynamic and engaging.
Vlogs
No matter the type of vlog you are working on, whether it is cooking, travelling, or daily routines, it's not a good idea to talk through the whole video without cutting to anything else. Instead, creators use B-roll to show certain activities that are related to the main subject matter. This technique increases engagement immensely.
Corporate videos
A b-roll can showcase products, services, an active workplace culture, positive customer interactions, and testimonials. When making a corporate video, whether promotional or not, this type of b-roll can enhance the brand message and make the video look more relatable, engaging, and professional.

These are the most common applications, but a B-roll is so versatile that it can be used in many more types of videos.

B-roll Creative Combinations and Uses

What is a B-roll video if not an excellent shot that you can use in unison with other video editing techniques? Let's explore some of them.

Pairing B-roll with L-Cuts
An L-cut is a specific technique in video and movie making in which one scene transitions to the other, but the audio from the first scene continues on. The best way to introduce a B-roll into your video is to use an L-cut to transition from A-roll to B-roll.
Example
If you are making a travel vlog, while you are describing an awesome shopping mall, you can transition from a scene where you are talking to B-roll footage of that exact shopping mall, but use an L-cut to continue your narration audio over the B-roll.
B-roll can enhance motion tracking
Motion tracking is a specific video editing technique in which you use a moving object in your video and animate a certain graphic or piece of text to follow it. B-roll footage gives creators an excellent canvas to make motion tracking work.
Example
If you are making a fitness video, you can use B-roll footage of someone running to add speed metrics and graphs. Then, you can apply the motion tracking effect to make those objects follow the runner.
Transition to B-roll with Dissolve
Out of many transition effects that you can use to introduce B-roll footage, the dissolve effect is perhaps the calmest. A-roll footage fades out while B-roll simultaneously fades in. It softens the transition, improving the experience.
Example
When editing an interview video, when someone talks about a heartfelt moment, you can dissolve to a B-roll that shows the location where that moment happened or anything else that will add more meaning to the scene.

There are many more examples and use cases where you can combine B-roll with other techniques, and you will certainly find your own creative way of using it.

A Few Artistic Considerations Concerning B-roll Film

Here are a few things to pay attention to when working with B-roll.

  • Pay attention to the composition and framing: The fact that it's called "B-roll" does not mean that it is any less important than A-roll footage. Make sure that you treat them the same, applying proper composition and framing techniques like the rule of thirds and proper lighting, and generally put in the same care as you would with A-roll.
  • Make sure that the A-roll and B-roll have the same color grading: You must also apply the same filters and color correction techniques to both your B-roll and A-roll clips. They are all part of the same video, so you need to think about consistency when editing. If you are aiming for a warm color tone, stick to it throughout the entire video.

Top Tips for Shooting B-Rolls

If you are preparing to shoot some B-roll clips, here are some top tips to consider.

  1. Plan Your B-roll with a Purpose: Before you start shooting, figure out the best angle and camera motion to complement the other scenes in the movie or video. Also, pay attention to the lighting and color scheme, and match it to the A-roll footage when shooting.
  2. B-roll Footage with Movement Increases Interest: Short panning shots that depict the main subject in a conversation are perfect B-roll. You can go for steady-frame B-rolls as well, but if you add motion, you will add a sense of intrigue.
  3. Emphasize Small Details and Textures: Like in nature documentaries, when they are talking about a particular insect, they show extreme close-ups in their B-roll to take us as close to the subject as possible. The more detail and textures you have in your B-roll, the better.

Master Your B-Roll Footage

Now that we have learned about the purpose of B-roll footage and some practical applications, it's time to master your B-roll footage. The powerful video editor Filmora allows you to merge A-Rolls and B-Rolls seamlessly. Transition is one of the most effective editing techniques; here are the key steps.

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Step 1
Upload the footage and drag the clips to the timeline.
Step 2
Trim your A-roll clip to the moment when you want to introduce your B-roll by hovering over each end and clicking and dragging the cursor left or right. Click and move your B-roll to the correct moment in the timeline.
Step 3
Go to Transitions, search for dissolve, and drag the transition effect between your A-roll and B-roll clips. You can also adjust the duration of the effect.
add b-roll to the timeline
trim clips
applying transitions

Take a look at how it turned out for us. Imagine that we are editing a podcast, and at this exact moment, the person talking is mentioning a beautiful location.

make a b-roll footage

Troubleshooting Common B-roll Issues

Newbie video editors make some common mistakes when working with B-roll. Here are the two most common ones and how to avoid them.

B-roll is not related to A-roll

In some instances, video creators use B-roll footage that is completely unrelated to the video's subject.

How to solve

Plan your video before you start making it, and find B-roll clips that are directly related to the main talking points.

B-roll is too repetitive

If you use the same type of B-roll shot too many times, your video will become a bit boring.

How to solve

Use B-roll footage from a variety of angles and always include motion to keep the viewer engaged.

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