separate sync, where the horizontal and vertical are each on their own wire (the H and V in RGBHV also the acronym HD/VD, meaning horizontal deflection/vertical deflection, is used).composite sync, where the horizontal and vertical signals are mixed together on a separate wire (the S in RGBS).In addition to the red, green and blue color signals, RGB requires two additional signals to synchronize the video display. All arcade video games, other than early vector and black-and-white games, use RGB monitors. Many televisions, especially in Europe, utilize RGB via the SCART connector. At one time, computers offered this signal via a VGA port. The various RGB (red, green, blue) analog component video standards (e.g., RGBS, RGBHV, RGsB) use no compression and impose no real limit on color depth or resolution, but require large bandwidth to carry the signal and contain a lot of redundant data since each channel typically includes much of the same black-and-white image. Typical formats are 480i (480 lines visible, 525 full for NTSC) and 576i (576 lines visible, 625 full for PAL). For most consumer-level video applications, the common three-cable system using BNC or RCA connectors analog component video was used. S-Video, RGB and YP BP R signals comprise two or more separate signals, and thus are all component-video signals.

A signal separated in this way is called 'component video'. One way of maintaining signal clarity is by separating the components of a video signal so that they do not interfere with each other. DVD, VHS, computers and video game consoles all store, process and transmit video signals using different methods, and often each will provide more than one signal option.

Reproducing a video signal on a display device (for example, a cathode ray tube CRT) is a straightforward process complicated by the multitude of signal sources.

Rgb sync