A/V technology and technical terms explained

EIA-775 - Specific consumer electronics industry IEEE 1394 digital video cable standard; also called FireWire.

edge enhancement - Generic term for artificial edges created around onscreen objects. With already-sharp, high-resolution sources such as DVD and HDTV, it actually obscures detail and increases noise. Scan-velocity modulation circuits, a TV's sharpness control, or the source itself (such as a DVD) are some possible sources of edge enhancement.

EDTV - Enhanced Definition Television (see 480p). Also used to describe plasma and other fixed-pixel displays that have 852x480 resolution. They can show an HDTV image but don't provide as much detail as higher-resolution displays.

EPG - Electronic program guide. Feature found on satellite and cable tuner boxes and DVRs, and increasingly on TVs and DVD recorders, that provides an onscreen listing of available channels and program data for an extended time period (typically 36 hours or more).