B-roll Remixes

Create a B-roll remix

1. Open a project. Select Create, then B-roll remixes.
2. Choose a template. Add your product and an optional supported benefit, or write your own brief with at least 10 characters. Open Template guide for suggested shots and an example. Open Name this batch to add an optional name.
3. Check the ready-clip count and preview the thumbnail sample. Use all eligible footage or Select footage to choose clips. Open File name for the original name. Longer videos need analysis. Short clips from 1 second to under 4 seconds can also be used.
4. Open Text and music to change the defaults. The section starts closed with No text and Auto music selected. You can write opening text, choose saved hooks, set a music style, or choose No music. Your choices stay saved when you close the section. The summary shows your current choices.
5. Choose 15 or 30 seconds. Choose 1, 3, or 5 drafts per hook.
6. Check the total and select Create drafts. The action stays at the bottom while you set up the batch. If the button is unavailable, read the missing-input message beside it.

For saved hooks, use the Select button beside each hook in the Messaging Library. You can choose up to three hooks. The buttons work with Enter or Space. Check the character count and use Show full text to read a long hook. Edit for this draft copies the full text into Write text. Shorten it to 200 characters before creating. The saved entry stays unchanged.

Each draft uses a 9:16 canvas. Source audio is muted. The selected hook guides footage selection and appears at the start. Its display time adjusts to its length. The saved hook text is copied when the batch starts. Later library changes do not change existing drafts.

Background music

Auto music chooses from up to 50 recent project music tracks that cover the full draft. Generated voiceovers are excluded. The choice uses track names and descriptions. If no track is long enough, it searches HeyGen once and imports the first full-length result. HeyGen imports use the existing active subscription requirement.

One saved track is reused across the batch. It is trimmed to the draft length, set to 50% volume, and given a 0.3-second fade-in and 0.8-second fade-out. You can change the track, volume, and fades in the editor. Fade limits use the trimmed clip length. The two fades cannot exceed that length together. Cuts are not synchronized to music beats.

If music cannot be added, the drafts still finish. Read Batch review notes and add a track in the editor. Existing drafts are not changed.

Review drafts

Open Recent batches. Select a draft poster to preview the saved video. Use Preview soundtrack to hear the full source track. Media loads only when you request a preview. Select Open editor to make changes. Screen readers announce changes to batch progress and completion. Load older batches keeps older results visible while active batches refresh. You can replace clips, change text, change music, and export in Video Editor.

Source clips shows the original clip names and source time ranges. Review clip plays that range. A Broader match note identifies a shot selected from analyzed footage as a fallback. Check that it supports your brief. These source details describe the original draft. The saved preview includes later editor changes.

The feature uses existing visual analysis and saved thumbnails. A batch can deliver fewer drafts when there is not enough suitable footage. Read Batch review notes for the cause. Incomplete visual timelines are not delivered.

If a batch stops, completed drafts remain available. Start a new batch to try again. There are no automatic retries. You can start up to 10 batches in 24 hours.