IRE unit

noun

IRE unit

noun

Etymology Named after the Institute of Radio Engineers.

Broadcasting, Media, Television A unit used in the measurement of composite video signals. A value of 100 IRE is defined to be +714 mV in an analog NTSC video signal.

At the same time the picture blacks may be reproduced at levels as high as 20 or 30 IRE units.1966, Rodger J. Ross, Television Film Engineering, page 331:

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.