Arride's Glossary of eLearning Terms
Video Lectures Creation
Chroma: Process by which a background in a video feed is removed and replaced by a user-selected image, scene, or video. Chroma is the very old and common process used to create superimposed or picture in picture videos like an instructor on top of content or even superman floating on top of buildings!
Real-Time: When output occurs at the same time as its corresponding input.
E.g. when you hail a roadside cab or auto, you are getting a ride immediately or in real-time. Whereas when you hail a cab using an app you need to wait for the cab driver to accept your ride and to reach your location – this is delayed action and thus not real-time.
In video lectures creation, the term Real-Time (as opposed to Post-Production below) refers to the recording of the final finished video while the teacher is teaching either in a studio or a classroom.
Post-Production: In video lectures creation, the term Post-Production (as opposed to Real-Time above) refers to the recording of the different video parts of the video lecture and then merging the parts together after the lecture is over. As is obvious Post-Production takes double if not more time than Real-Time recording as the merging takes equal if not more time than the original recordings of parts.
Video Lectures Distribution
Encryption: Process or Method by which readable or playable content is processed by an algorithm to make it unreadable or playable by anyone else except by that algorithm itself.
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