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These perform non-destructive editing on source material.

Although this process is more computationally intensive than directly modifying the original content, changing the edits themselves can be almost instantaneous, and it prevents further generation loss as the audio, video, or image is edited.Ī non-linear editing system ( NLE) is a video editing (NLVE) program or application, or an audio editing (NLAE) digital audio workstation (DAW) system. Each time the edited audio, video, or image is rendered, played back, or accessed, it is reconstructed from the original source and the specified editing steps.

A pointer-based playlist, effectively an edit decision list (EDL), for video and audio, or a directed acyclic graph for still images, is used to keep track of edits. In non-linear editing, edits are specified and modified by specialized software. In offline editing, the original content is not modified in the course of editing.

Non-linear editing is a form of offline editing for audio, video, and image editing.

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