- Institute of Electrical and Electronics Engineers 1394. Official designation of the FireWire
digital connectivity standard.
independent input memories
Feature found on newer TVs that automatically associates a separate picture memory slot--usually including contrast, brightness, sharpness, color, tint, and color temperature
--with each input. Greatly eases optimization of picture parameters specifically for different devices.
integrated HDTV tuner
- The terrestrial ATSC
high-definition tuner built into an HDTV, it allows the set to receive over-the-air HDTV broadcasts without having to attach a set-top box
Interactive Digital Cable Ready
- See Digital Cable Ready
- Scan method used by the majority of televisions and the 1080i
HDTV format. As opposed to progressive scanning
in which the CRT
's electron beam scans or "paints" all lines at once, interlaced scanning TVs paint odd-numbered lines in succession, then go back and fill in the remaining even-numbered lines. This method is more prone to artifacts
and less stable than progressive.
International Radio Engineers. In calibration
, used to refer to different brightness levels on the grayscale
. 20 IRE is quite dark, while 100 IRE is extremely bright.