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Video-based Education |
One of the most important reasons to make the move to video based display and presentation systems is the growing application of video conferencing and distance education in corporate, medical, government, and institutional/educational areas. Where video signals must be sent and received as part of the learning or teaching process, it becomes necessary to convert all the images into a form that can be transmitted and received over a dedicated analog or digital video network, or over the internet. XGA resolution Video copystands are replacing overhead projectors, allowing opaque objects, transparencies, and paper reports to be displayed on a video display system. Computer presentations are also commonplace, either from local computers using presentation software, or from a network computer using a web-browser. Computer application training is a prime use of a video display system, requiring much 
In educational and institutional environments, there has been a constant conflict between the need to have the lights up high enough to take notes, and the need to have the lights low enough to get a good video image. Ever-improving technology in affordable LCD video projectors with light output levels in the 4500-6500 ANSI Lumens range allow an image to be displayed in higher ambient room light levels. These high output projectors are capable of resolution of 1024x768 pixels or higher, providing excellent computer display capability for images, Power Point type material, web browser and CAD/GIS applications.
Once there is a large amount of technology integrated into a system, the need to control and manage it becomes an issue. By providing an integrated media control system for the users, it is possible to simplify the operation of video cameras, sources, switching, the audio system, lighting, screens and drapery. These touch panels can have controls that describe the functions in plain language, be programmed in multiple languages, have large type for the visually impaired, and can even have prompts for the technophobe users.
