Off Line Editing

Offline editing can help a lot. At some point in your career, video editors usually have a project with footage that weighs in at a large size, testing the technical limits of the edit bay. They may find themselves away from home, out in the field, and dare it be said, required to edit a major project on a laptop. Offline editing gives video editors the flexibility they need to respond quickly and get the job done.

There’s wisdom in the old adage never bite off more than you can chew. It’s good advice because too much of a good thing can cause one to choke. The same rings true with video editing.Technology continues to grow and push the boundaries of what’s possible in the world of video editing. Screen resolution continues to increase, effects become more verbose, and the upper limit of editing computers is stretched to the max. Video editors need to be prepared for the edge of the envelope and offline editing can help them swallow the biggest of projects with ease.

Offline editing in simple terms is the use of proxy footage, duplicate footage of the original source, for video editing. The original video files are not used in the editing process, instead footage that is lower in resolution, with a smaller file size, and thus a lesser data rate, is used. After the offline edit is completed using the proxy footage, the online edit is conformed to the offline edit. The online edit is created by taking the timecode from the offline edit and applying it to the corresponding source footage, making a duplicate edit at full resolution. The offline edit also shares transitions and effects with the online edit for a complete re-creation of a video editor’s work.(http://www.videomaker.com/article/c3/17050-getting-to-know-offline-editing)

There are many reasons for offline editing. The earliest use was so video editors wouldn’t have to use source tapes over and over again, wearing them out. It also allowed the final edit of a tape workflow to come from the source footage instead of footage that was duplicated and degraded through copying across multiple edits. As video editing transitioned from a tape based workflow to an entirely digital workflow, offline editing was used so a video editor could work in real-time with the reduced file size of proxy footage. This way the video editing process wasn’t slowed down because of a computer’s difficulty in handling full resolution footage.(http://www.videomaker.com/article/c3/17050-getting-to-know-offline-editing)

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