# B-roll

> Secondary footage cut over the main talking-head shot to illustrate, add energy, and hold attention.

*Editing*

*Also known as: broll, supplemental footage*

Canonical: https://novaclipper.com/glossary/b-roll

B-roll is any supplemental footage layered over your primary (A-roll) shot — stock clips, screen recordings, product shots, or related video. In short-form it does double duty: it visually explains what's being said and it adds motion that resets the viewer's attention every few seconds.

Well-placed b-roll is one of the cheapest ways to lift retention on a talking-head clip. The art is relevance and timing: the cutaway should match the exact moment it references, then return to the speaker before it overstays.

## Related

- [Nova for podcasters](https://novaclipper.com/for/podcast-clips)
- [Repurpose long-form video](https://novaclipper.com/blog/how-to-repurpose-long-form-video)

---

Nova turns long-form video into vertical short-form clips with AI moment detection, face-aware 9:16 reframing, and word-by-word captions — and makes faceless videos from a script or a Reddit thread. Free tier: 30 minutes/month, no card. [Start free](https://novaclipper.com/signup) · [All use cases](https://novaclipper.com/for) · [Free tools](https://novaclipper.com/tools)
