Vision mixers are conceptually similar to audio mixers. They take multiple input sources, apply any desired effects or processing, and provide one or more outputs.

Most vision mixers are based around the preview bus and the program bus, each of which has it’s own monitor....

A vision mixer (also called video switcher, video mixer or production switcher) is a device used to select between several different video sources and in some cases composite (mix) video sources together and add special effects. This is similar to what a mixing console does for audio.

The main purpose of a vision mixer is to create a master output for a real-time video recording or broadcast. Typically vision mixers are used for live events, or any event where multiple sources need to be mixed in real-time. Vision mixers can also be used to create various visual effects, from simple mixes and wipes between sources to advanced composite effects....

In the early days of electronic video production, linear (tape-to-tape) editing was the only way to edit video tapes. Then, in the 1990s, non-linear editing computers became available and opened a whole new world of editing power and flexibility.

Non-linear editing was not welcomed by everyone and many editors resisted the new wave. In addition, early digital video was plagued with performance issues and uncertainty. However, the advantages of non-linear video eventually became so overwhelming that they could not be ignored....

In digital video editing, non-linear editing (NLE) is a method that allows you to access any frame in a digital video clip regardless of sequence in the clip. This method is similar in concept to the “cut and paste” technique used in film editing from the beginning. This method allows you to easily include fades, transitions, and other effects that cannot be achieved with linear editing.

Video and audio data are first captured to hard disks or other digital storage devices. The data is either recorded directly to the storage device or is imported from another source. Once imported they can be edited on a computer using any of a wide range of software....

Linear video editing is the process of selecting, arranging and modifying the images and sound recorded on videotape whether captured by a video camera, generated from a computer graphics program or recorded in a studio. Until the advent of computer-based non-linear editing in the early 1990s “linear video editing” was simply called “video editing.”

Linear Editing is basically mechanical process, in that it employs the use of Camcorders, VCR’s, Edit Controllers, Titlers, and Mixers to perform the edit functions. This editing technique is performed in linear steps, one cut at a time (or a series of programmed cuts) to its conclusion....

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CAVSI offers video editing services. Freelance video editor will work with you to achieve the video you have in your mind....