Here is a list of some common terms used in the presentation industry. Have a word that is not listed, ask the Presenter Pro . The ratio of height to width of a frame or screen. ANSI stands for American National Standards Institute. It is a standard for measuring light output.
Different lamps play a role on light output.
Halogen lamps appear dimmer than another metal-halide, even if the two units have the same ANSI Lumen rating. Anti-aliasing refers to software adjustments that correct this effect. This effect is created by inadequate sampling techniques in computer-produced images. This can be helpful when working in darkened rooms. The frequency range of a particular transmission method.