A Guide To Displayport Cables

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DisplayPort cables were first developed in 2006 as a digital display interface standard lead by the Video Electronics Standards Association.

The technology was designed to be used primarily to connect a computer to a display monitor or other screen, such as a home cinema system, and to replace DVI and VGA cables by offering digital audio and video transfer in one cable.

The first DisplayPort cables, known as version 1, were approved in May 2006, followed by 1.1a in April 2007 and the latest version, 1.2, in December 2009.

Many newer consumer electronics devices feature DisplayPort connectivity, particularly laptops, although the technology has not yet replaced DVI and VGA. Mac, Dell, HP and Lenovo computers are leading the take-up of DisplayPort adoption.

How DisplayPort works

DisplayPort cables transmit digital signals between computers and screens. The technology is similar to HDMI as it streams both HD video and audio on the same cable with a maximum resolution of up to 1920 x 1080 and eight audio channels.

DisplayPort supports HDCP (High-bandwidth Digital Content Protection) so the cables can be used to playback protected HD content, and they can also be connected to an HDMI or DVI port with the relevant converter.

The benefits of DisplayPort cables and connectors

Although DisplayPort connectivity is not found on all computers and peripheral devices, the technology is still very desirable because of the high quality it offers in digital video and audio signal transmission.

DisplayPort cables can carry data at high bandwidths, making them ideal for high-end video and display equipment. Movies and photos can be viewed at 1080p and the cable can be secured to the computer for optimum connectivity.

Furthermore, multiple displays are supported with a single DisplayPort cable and the allocation of bandwidth between audio and video signals is changeable to suit requirements.

The future of DisplayPort

DisplayPort cables are set to become increasingly popular across the world as more consumer electronics firms implement the technology in their products.

A Mini DisplayPort interface was developed by Apple in 2008 and now features on many of its laptops. This links the Mac to an LED display with both video and audio support, reducing the need for extra cables. Mini DisplayPort is also capable of displaying the higher resolutions of the original DisplayPort technology.


About the Author:
The author has experience in Displayport Cables and Displayport Cable and Displayport



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