Clearpoint ISF - Clearpoint ISF Geometry And Overscan CRT Displays Digital Projectors Keystoning Digital Scaler Artifacts Flat Panel Displays

Geometry

Ideal geometry is a very important aspect to faithfully reproducing the cinematographer and director’s intentions.
Overscan refers to the amount of viewable image intentionally lost off the top or sides of a display.
In many cases, over 5% of real picture information is thrown away, regardless of the display type.
Broadcasters routinely do not fill the entire signal area with usable picture, requiring displays to overscan the image in order to fill the screen.
Properly adjusting Geometry and Overscan can dramatically improve a displays ability to involve the viewer by presenting more real picture information properly recreated.
CRT displays always require special adjustments to achieve good geometry because they are analog in design.
Digital projectors must be exactly positioned in order to avoid noticeable keystoning or introducing digital scaler artifacts.
Frequently errors in geometry and overscan are present even in flat panel displays due to improperly adjusted internal scalers.
Many sales professionals and installation specialists’ fail to understand the importance of geometry, overscan, or even aspect ratio!