The,Progression,the,DVI,Connec business, insurance The Progression of the DVI Connector
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Of the various digital video connectorschemes available in the consumer market, DVI (Digital VisualInterface) might have the most frustrating set of technical variationsand nuances. However, DVI connectors present a fine option forconnecting between your computer or laptop and a digital display (i.e.a monitor or projector). In order to know when it ismost appropriate to use DVI connectors, it helps to first know a bitabout the connector's history and its technical specs. A brief history of DVI TheDVI connector was developed by the Digital Display Working Group, abrain trust of technology experts from such companies as Intel, Compaq,Fujitsu, and IBM. These engineers developed DVI with the intent ofcreating a connector that could supersedethe panoply of differentdigital connector schemes that were then clogging the market. The DVIconnector was designed to carry digital video signals between computersand digital monitors, as well as offer reverse compatibility withanalog video display schemes, such as VGA (Video Graphics Array). Whilesometimes used for home theater purposes, the DVI connector wasoriginally intended to transmit video between computers and monitors, ajob to which it is still most appropriately suited. Forseveral years after its release, the DVI connector served this purposewell. There are many digital monitors and displays that rely on DVI astheir principle connector scheme. Most LCD and plasma screen monitorsmanufactured today will include DVI ports as one of their connectiveoptions. However, DVI has been in many cases superseded by newerconnector schemes. Especially as digital video and home theatertechnology has become more prevalent, the DVI connector has beenincreasingly phased out of the consumer market. Many consumerelectronics products now rely on DisplayPort or HDMI connectors totransmit digital video. These connectors tend to be moreconsumer-friendly than the DVI connector, whose technical variationscan sometimes make it difficult to deploy. Some technical info about DVI DVI connectors transmit uncompressed digital video data and display that data via an RGB (Red Green Blue) color system. TheDVI connector was designed to be able to transmit both analog anddigital video, and while it does serve that purpose, the technicalreality of manufacturing such a connector necessitated some oddvariations on what was supposed to be a consumer-friendly piece ofequipment. There are three types of DVI connector:DVI-I, DVI-D, and DVI-A. All three of these serve a slightly differentpurpose. DVI-I connectors can transmit both analog and digital videosignals, whereas DVI-A connectors can transmit only analog videosignals and DVI-D connectors can transmit only digital video signals. DVI-Iand DVI-A connectors are reverse compatible with VGA (the predominantanalog video connector scheme), but they require a special adapter inorder to interface properly. Digital DVI connectors can interface withHDMI connectors, but in order to do so the HDMI connector must beengineered to support DVI signaling. Though capable of transmittingdigital video signals, DVI connectors cannot transmit digital audiosignals, a major reason why HDMI has superseded DVI in the consumermarket. It is also important to note the distinctionbetween single-link and dual-link DVI connectors. A single-link DVIcable consists of four TMDS (Transition Minimized DifferentialSignaling) pairs along which it can transmit data. A dual-link DVIcable will have twice these TMDS pairs, allowing it to transmit videoat higher resolutions and different aspect ratios. Whilethe technical differences between single and dual-link DVI require afairly nuanced conception of digital video in order to be understood,the most important thing to remember is that dual-link DVI cables haveessentially double the bandwidth of single-link DVI cables. This allowsdual-link DVI cables to transmit larger amounts of video with greaterclarity. Article Tags: Digital Video Signals, Digital Video, Connector Schemes, Consumer Market, Video Signals, Analog Video
The,Progression,the,DVI,Connec