How do you generate AI b-roll for podcasts?

Take 5–10 key sentences from the podcast transcript. Generate one 6–8 second AI clip per sentence that visualises the topic literally (not abstractly). Cut to the b-roll during the podcast video edit on those exact sentences. This format consistently outperforms talking-head-only video on YouTube and Reels.

  • Literal visualisation > abstract loops.
  • One clip per key sentence.
  • 6–8 seconds each, vertical for Reels, horizontal for YouTube.
  • Cuts to b-roll lift retention by 15–40%.

Why podcast b-roll matters

Static talking-head video loses retention sharply after 30 seconds on most platforms. Cutting to relevant b-roll resets attention. AI b-roll lets a one-person podcaster produce broadcast-quality cutaways without a video team.

The workflow

Export transcript. Highlight 5–10 vivid lines per episode. Generate one literal AI clip per line (talking about 'a deserted highway in Arizona' → generate exactly that). Drop into Descript or CapCut on the matching timestamp.

FAQ

Should I label AI b-roll on podcast video?

Yes — small on-screen 'AI visual' tag is becoming the norm in 2026 and avoids audience pushback.