Definitions for IREaɪər
This page provides all possible meanings and translations of the word IRE
Random House Webster's College Dictionary
intense anger; wrath.
Origin of ire:
1250–1300; ME < OF < L īra anger
Category: Geography (places)
anger, choler, ire(noun)
a strong emotion; a feeling that is oriented toward some real or supposed grievance
wrath, anger, ire, ira(noun)
belligerence aroused by a real or supposed wrong (personified as one of the deadly sins)
An IRE is a unit used in the measurement of composite video signals. Its name is derived from the initials of the Institute of Radio Engineers. A value of 100 IRE was originally defined to be the range from black to white in a video signal. A value of 0 IRE corresponds to the zero voltage value during the blanking period. The sync pulse is normally 40 IRE below the zero value, so, peak to peak, an all-white signal should be equal to 140 IRE. The reason IRE is a relative measurement is because a video signal may be any amplitude. This unit is used in the ITU-R BT.470 which defines PAL, NTSC and SECAM.
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