luminance signal

luminance signal

[′lü·mə·nəns ‚sig·nəl]
(communications)
The color television signal that is intended to have exclusive control of the luminance of the picture. Also known as Y signal.
References in periodicals archive ?
3) 4:2:2:A method of representing video that records the luminance signal and corresponding color signal for a single scan line in a 4:2 ratio, ensuring excellent color fidelity and limiting color degradation during multiple encoding and decoding steps.
58 MHz means information must be taken away from the luminance signal.
The relative contributions of color and luminance signals towards the visuomotor localization of targets in human peripheral vision.
These circuits optimize the dynamic range of the luminance signals by adjusting the gamma setting and offset in real time, according to the projected image.