An L-cut is when the audio from the preceding scene continues to play over the footage from the following scene. What makes a L-cut or J-cut work is the combination of dialogue and imagery. This installment of SFX Secrets explores how editors play with sound and image to create the. J-cuts and L-cuts are similar, but different. To explain, a J cut, so named because the clip looks like a little "J" in the timeline, is when the audio of the next shot precedes the video, and an L. A J cut is a variant of a split edit film editing technique in which the audio from a following scene.