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A B C D E F G H I J K L M N O P Q R S T U V W X [Y] Z

Y

The luminance or black-and-white part of a video signal.

Y adapter.

Used in audio, a Y-shaped connector or wire which combines two signals or splits one signal into two.

Y/C

Luminance (Y) and chrominance (C). Type of video signal transmission format that separates the colour portion of the signal (chrominance) from the brightness portion of the signal (luminance) resulting in higher picture quality compared to composite video, which combines the two into a single signal.

Y-Connector.

Connection that splits a single cable into two so that it may begin from one source with one connection and terminate in two connections on two components (or it may go the other way where two outputs are joined to the same input but this may not work if both outputs are sending information at the same time).

Yoke (Deflection Yoke).

Series of coils surrounding the neck or rear of a cathode ray tube that direct an electron beam to bombard particular phosphors in order to generate an image on a screen (see Deflection Yoke)

Y/(R-Y)/(B-Y).

Pronounced Y, R minus Y, B minus Y, this is one way component video is transported; also the type of video equipment or circuits that handle such signals. The letters represent luminance with sync, red minus the luminance, blue minus the luminance. Y/688 dub, Y/629 dub: Method of sending separate luminance and downconverted colour signals between 3/4U and SVHS and VHS editing-type VCRs to preserve colour quality.

Y/C or S.

A method of transmitting colour video over two wires, one carrying luminance (Y) and the other carrying colour (C). Also called super or S-video as it is employed on super VHS (SVHS) VCR's and camcorders. Hi8 camcorders also use Y/C video. Y/C or S connector: Multipin connector designed to carry Y/C video on two wires inside one cable. Y/C: Video signal separated into two parts: brightness (Y) and colour (C). Such signals yield sharper, cleaner colour than composite video signals. Also another name for S connector.

Y/I/Q.

Another form of Y/(R-Y/(B-Y) making component colour video using luminance and two colour difference signals.

Y/Pb/Pr.

Another form of Y/(R-Y)/(B-Y).

Y/U/V.

A form of Y/(R-Y)/(B-Y) making component colour video, popular in Europe.

Y/C (Luminance and Chrominance).

A term used to describe the separation of video signal components used in systems such as Hi-8* and S-VHS*. Generically called S-Video.

YUV.

A video system employing luminance* and two chroma components directly related to the red and blue components. This professional component video system is used in studios and requires special equipment. Interface devices are used to link the various component systems, i.e., RGB*, Y/C*, YUV and YIQ (a system similar to YUV).

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