Correction, 2026-10-01: an earlier version said L-cuts and J-cuts are built into an 8frame podcast video workflow and that Kling and Veo 3 handle close-up reaction shots well. The 8frame canvas generates the footage; 8frame's separate Video Editor mode has a timeline with sound layers, or you can make the split edit in any editor. We have not measured reaction-shot quality. The examples now say which part 8frame does (the cutaway footage) and what it costs.
An L-cut and a J-cut are edit techniques where the audio and video transitions happen at different times instead of simultaneously, keeping one track running while the other switches to the next clip.
In a standard cut, audio and video change at exactly the same frame. The viewer hears a new person and sees a new person at the same moment. That works for fast-paced content, but in dialogue, interviews, and podcast video it makes the edit feel mechanical. L-cuts and J-cuts solve that. They let the audio breathe past a visual cut, or let you hear what's coming before you see it. The result sounds less like an edit and more like a conversation.
How l-cuts and j-cuts work
Both techniques split the video and audio edit points on the timeline.
In an L-cut, the video switches to the next clip but the audio from the previous clip keeps playing for a moment before it transitions. If Person A is talking and the video cuts to Person B's face before Person A finishes their sentence, that's an L-cut. On a timeline, the audio clip from the first shot extends past the video cut, which creates a shape that looks like the letter L.
In a J-cut, the audio from the next clip begins before the video switches to it. You hear Person B starting to speak while you're still watching Person A's reaction. The audio from the incoming clip starts early, creating a shape that looks like the letter J.
The practical difference: L-cuts show a reaction before handing off the audio. J-cuts pull the viewer into the next scene before it's visible, building anticipation. Both reduce the choppiness of dialogue editing and are standard in narrative film, documentary, and interview content.
When you use l-cuts and j-cuts
Dialogue scenes. Cutting on reaction shots is the bread and butter of both techniques. Instead of showing the speaker for their entire line, you cut to the listener's face while the speaker finishes, then let the listener's audio begin before showing them. The edit stays invisible.
Interview and talking-head content. A long interview on a single camera setup produces one shot to cut in post. Without b-roll, the editor needs to remove filler and tighten the pacing, which creates jump cuts. L-cuts and J-cuts let you cover those cuts with reaction shots, cutaways, or b-roll while keeping the audio continuous.
Podcast video assembly. Podcast clips for social often need to lead with the most interesting moment, not the opening question. A J-cut lets you start the audio at the payoff line while the first frame of video is still showing the host. By the time the visual catches up, the viewer is already hooked.
Scene transitions in scripted content. A J-cut bridges two scenes cleanly. The ambient sound or dialogue from the next scene starts while the previous one is still on screen, so the viewer is mentally in the new location before the cut arrives.
Examples in an AI podcast workflow
In an AI-assisted podcast video, 8frame generates the visuals (cutaways, reaction shots, b-roll); the split edits themselves happen in your editor, where audio and video sit on separate tracks.
Covering a tightened audio track with b-roll. When you remove a pause or a filler word from a podcast recording, the video cut looks like a jump. Drop an L-cut here: let the audio from the clean cut play while the video stays on a b-roll clip for an extra second. The ear doesn't register the edit. Generate the b-roll with sound off, since your recording carries the audio: Kling v3 Standard animates a start image for 57 credits per 5 silent seconds.
Leading into a key quote. Before the guest delivers their best line, cut the video to a close-up of the host reacting while the guest's audio is already playing. That's a J-cut. It signals that what's coming is worth watching. If you don't have a reaction shot, you can animate a still of the host with an image-to-video model on 8frame (with their consent), again with sound off. Check the face and expression on every take before you use it.
Transitioning between segments. A branded podcast video with multiple segments can use J-cuts to pull listeners into the next section. The audio teaser for the next topic plays under the end card of the previous one, then the video cuts. Same mechanic television used before streaming. Still works.
See how to make a podcast video with AI for the full workflow, and 10 AI workflows every brand should have for the broader context of where podcast video sits in a content operation.
FAQ
Can I make an L-cut or J-cut inside 8frame? The canvas does not edit; it generates the footage. 8frame's Video Editor mode has a timeline with separate sound layers, where you can lay a voice or music track across a picture cut; any desktop editor works too.
Should generated cutaways have sound? Usually not, because the podcast audio runs underneath. Turning sound off on Kling v3 Standard drops a 5-second clip from 86 to 57 credits.
Related concepts
- What Is B-Roll? covers the footage used to cover edit points that L-cuts and J-cuts create.
- What Is an Establishing Shot? explains the scene-opening footage that J-cuts often lead into.
Sources
- Kling v3 Standard prices with and without sound (calculateKlingV3Cost); canvas tools: 8frame tool registry, read 2026-10-01; Video Editor mode (timeline, sound layers): 8frame app code, read 2026-10-01
Want to put these techniques to work on your podcast clips? Open the canvas on 8frame and generate the cutaways your edit needs.
Try it without signing up: the 8frame canvas opens on a real board. The canvas is free and unlimited; generation is paid from $19/month.