These digital connections are not just passing video, but multi-channel audio, source and sink information, copyright protection, Ethernet, USB, and other data communication protocols. Some of these are compatible with each other, some can be easily adapted to, while others required active convertors, scalers, and adapters, sometimes adding complexity to an otherwise simple video transport system.Īs technology has advanced, along with the need for and availably of higher resolution digital content, the legacy analog video connections and cabling have largely faded from use, being replaced by high bandwidth digital connections. Then, the advancement of digital video technologies introduced new connectors: DVI (which also has an analog video option), HDMI, and DisplayPort. From composite, s-video, and component, to RGBHV and VGA, there have been no shortage of analog video protocols and connector types to choose from.

There have been a variety of video cable and connector types over the years, each providing its own set of capabilities and challenges.

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