Support
Video Displays Articles
- How does Plasma TV work?
Plasma displays consist of a flat, lightweight surface covered with millions of tiny glass bubbles. Each bubble contains a gas-like substance (the plasm...
- How does DLP TV work?
DLP technology is based on an optical semiconductor called a Digital Micromirror Device (DMD) which was invented in 1987 by Texas Instruments. The DMD i...
- How does HDTV work?
Since the first HDTVs appeared in 1998, high-definition television has been on the mind of every consumer. Although HDTVs have dropped in prices over th...
Glossary of Terms
- Anamorphic
- Process that condenses the image in the source material to be expanded by the display device. With DVD, the anamorphic recording preserves a vertical detail that would otherwise be lost on a widescreen film that is cropped, or letterboxed, to fit the 4:3 reading image space.
- Ohm
- A measure of how much something resists (impedes) the flow of electricity. Larger numbers mean more resistance.
- Preamplifier
- A control and switching component that may include equalization functions. The preamp comes in the signal chain before the amplifiers.
- Spider
- The part of the loudspeaker that holds the diaphragm in place, and allows it to move when activated. Also called suspension.
- Woofer
- A speaker driver designed to reproduce low frequencies.
