IEVref:723-08-12ID:
Language:enStatus: Standard
Term: PAL (colour television) system
Synonym1: PAL (abbreviation)
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Definition: simultaneous colour television system using, in baseband, a composite colour signal comprising a luminance signal and two chrominance components which are transmitted as quadrature amplitude modulation of a subcarrier, and in which, on each line, the polarity of one of the chrominance signals is inverted

NOTE 1 – In most actual applications of PAL the scanning system uses 625 lines and 50 fields/second. The colour signal is transmitted using vestigial sideband amplitude modulation, and the sound is transmitted as frequency modulation of a separate radio-frequency carrier.

NOTE 2 – PAL is derived from "Phase Alternation Line".

NOTE 3 – There are different versions of PAL, defined in CCIR Report 624.


Publication date:1997-03
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Internal notes:2016-09-13: Adjective "radiofrequency" replaced by "radio-frequency" in term and definition. JGO
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