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What Is J-Cut and L-Cut?

A J-cut and an L-cut are two types of split edits used in film and video editing to create smoother, more natural transitions between scenes.
Sumia Rafique
by Video Tech Expert
Sumia Rafique
updated Jun 23, 25
In this article
    1. Definition
    2. Compare J-Cuts and L-Cuts
    3. The Visual Characteristics of J-Cuts and L-Cuts
    1. Genre-Specific Applications for J & L Cuts
    2. Creative Combinations for J-Cuts and L-Cuts
    3. A Couple of Artistic Considerations Surrounding J-Cuts and L-Cuts
    1. Create the Perfect J-Cut and L-Cut in Filmora
    2. L-Cut Example
    3. J-Cut Example
    4. How to Fix Standard J-Cut and L-Cut Issues?

Understanding J-Cuts and L-Cuts

Have you noticed that when you watch a documentary, you hear the ocean waves before seeing the beach? Or caught an interview where the speaker's voice continues smoothly as the shot cuts to the listener? These aren't mistakes – they're deliberate editing techniques called J-cuts and L-cuts. Let's explore everything there is to know about the J-cut and L-cut video editing techniques.

what is j-cut and l-cut
Definition

Both the J-cut and the L-cut are video editing techniques closely related to audio. The J-cut represents a cutting technique where the audio from the next scene starts before the first scene ends (forming a letter J in the editing timeline). The L-cut occurs when the audio from the first scene continues while we see the second scene unfold (forming the letter L in the timeline). The purpose of these techniques is to offer smooth transitions and connect scenes organically.

Compare J-Cuts and L-Cuts

Comparison J-Cuts L-Cuts
Quick Definition Audio comes in early (from the next scene). Audio stays late (from the previous scene).
Top 3 Use Cases
  • Introduce off-screen dialogue early
  • Create suspense before revealing a scene
  • A smooth transition between unrelated visuals
  • Maintain emotional continuity across scenes
  • Show reactions while dialogue continues
  • Transition from dialogue to action without abrupt audio change
Effect Builds curiosity, tension, and adds momentum by letting the audience hear before they see. Feels natural and immersive; helps preserve emotional tone during scene transitions.

The Visual Characteristics of J-Cuts and L-Cuts

We have learned the basic definition of J & L cuts. Let's look over some characteristics that make this technique visually appealing.

  • Mismatched Audio and Video: When the audio in a scene doesn't match the video footage, viewers are left wondering what's going on, keeping them engaged until they find out what happens next. This is an excellent way to build a sense of suspense in your video content and increase its artistic value.
  • Seamless Scene Transitions: When you use the J-cut and L-cut in editing to transition from one scene to the next, you get something that feels smooth and natural. It helps viewers stay engaged in the content, adding an emotional connection to the equation, making it an excellent choice.
  • Introduce New Visuals: These types of cuts are very useful when introducing B-roll footage or creating a flashback effect. They give the video editor a lot of freedom when introducing a new element to the video. With this technique, editors can seamlessly control the pacing and scene emphasis.

When and Where Should You Use J-Cuts and L-Cuts?

Let's take a look at some creative applications for these two types of cuts.

Genre-Specific Applications for J & L Cuts

As a powerful editing technique in Film and video editing, you can use J-Cut and L-Cut in many types of video content. Here are the three basic applications.

Docu movies and series
Documentaries are all about narration and interviews. However, it would be boring to sit there and watch people talk for hours. Instead, documentary directors introduce B-roll footage to increase engagement and retention, and they add it using the J-Cut and L-Cut techniques.
Videos with narration
Whether you are making a movie or a YouTube video, if you have narration, the J and L cuts are perfect to keep the visual story going while the narration continues over it. European directors who focus on narrative filmmaking use this technique quite often.
Video essays
Video essays are a specific form of content that has been growing in popularity. Creators use the standard scientific principles of writing an essay as a script for the video. They frequently use J-cuts and L-cuts to break up talking-head footage and increase engagement.

Creative Combinations for J-Cuts and L-Cuts

J & L transitions can be used in conjunction with several other editing techniques, which can enhance the quality of the video, keep viewers engaged, make things exciting, and more.

Pairing J-Cuts and L-Cuts with B-roll
If you want to introduce a B-roll to your video, there is no better way to do so than using a J or L cut. B-roll footage usually has no sound, so it's perfect to blend with this technique. It will enhance the meaning of the spoken word in the video.
Example
The person in an interview is talking about their childhood. You can use the L-cut technique, letting their voice continue while you cut to a B-roll of their house, family photos, toys, and other memories. This does wonders in keeping the viewer engaged.
Enhance crossfade transitions
A crossfade occurs when the former scene fades out while the latter scene simultaneously fades in. To enhance this effect, you can use J-cuts or L-cuts to complement the crossfade effect with an audio cue, keeping things exciting.
Example
If one scene ends with the character talking about something, you can crossfade onto a scene that shows what the person is talking about while keeping their monologue going with an L-cut. The lingering voice will bridge the emotional tone between scenes.
Use sound design as a transition to J and L cuts
Before you use this type of cut to switch to the next scene, you can use ambient sound or other forms of audio cues to lead into the transition. It is an excellent way to foreshadow something that is about to happen.
Example
If you are making a travel vlog and you want to transition from a calm scene in your hotel into a crowded scene from the city market, you can use the J-cut and introduce the bustling city audio before you show the next scene, preparing viewers for an energy shift.

A Couple of Artistic Considerations Surrounding J-Cuts and L-Cuts

  • Find the correct moment for J & L cuts: This editing technique allows you to control the pulse of your story. Audio that plays before a scene shifts or lingers from the former onto the next scene can heavily influence the emotional message you are trying to convey. Use it at the right moment in your video to maximize the effect's impact.
  • Use J & L cuts to complement your narrative flow: When you learn how to use J-cuts and L-cuts in film properly, you will unlock an entire toolset that will improve the storytelling aspect of your video. Use them to let your story flow naturally, seamlessly connecting one scene to the next as if nothing happened.

And now, all that's left is to teach you how to implement J and L cuts using one of the best video editing tools you can find on the internet.

How to Use J-Cuts and L-Cuts in Video Editing?

Create the Perfect J-Cut and L-Cut in Filmora:

As a powerful video editor, Filmora offers a full stack of video, image, and audio editing tools, thousands of creative assets, and easy video timeline management. We will show you a detailed guide on how to create J-cuts and L-cuts when transitioning from A-roll to B-roll footage.

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1
Detach Audio
Download and install Filmora on your Windows or macOS device, open it, and create a new project. Then, import your video with audio, add it to the timeline, and use the Detach Audio feature by right-clicking on the video in the timeline.
detach audio in filmora
2
Create L-Cuts
Trim the A-roll and B-roll videos by hovering over the beginning or end point and then clicking and moving the cursor left or right to the desired moment in the video. Make sure the audio from A-roll keeping playing even if the B-roll footage comes to visual.
create l-cuts in filmora
3
Make J-Cuts
When making J-cuts, make sure the audio from B-roll footage comes in early before its visual comes. As you can see, this creates a J-shape in the timeline.
make j-cuts in filmora

L-Cut Example

In this video, we have a L-cut. The crowd is dancing to the music, and then, we switch to a scene where we can see a city landscape, but we still hear the music from the club.

J-Cut Example

Here, we have an J-cut. First, we hear the sound of the city, and then the music from the club slowly fades in as we transition to a scene with people dancing.

How to Fix Standard J-Cut and L-Cut Issues?

Many new video editors may encounter issues when using J-cuts and L-cuts. Let's learn how to fix the standard problems.

Awkward audio transitions

You have followed our guide and created a J or L cut, only to realize that the transition is not smooth at all.

How to solve

Audio transitions are all about rhythm and pacing. If the cut isn't working, try making the cut at a different moment to match the audio.

Bad visual flow

The applied J-cut or L-cut makes the footage a bit disorienting and confusing to watch.

How to solve

If it's not working, perhaps this is not a good place in the video for such a cut. Try a smooth transition effect instead.

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