What is DisplayPort?

What is DisplayPort?

Displayport is one of the newer video digital interfaces that serve as a cathode ray tube, or CRT for monitors and televisions. Displayport is one of the Video Electronics Standards Association's (VESA) newest vision in simplifying and standardizing video connections, including the common and much used VGA, DVI and HDMI interfaces.

The maximum capacity in transfer for a Displayport interface is around 8.6 gigabits per second over a 2m cable. The Displayport connector acts as a direct competitor with the HDMI, featuring richer colours, higher resolutions and being able to hold a variety of different channels which handle device control instructions.

This particular cable has been in the markets since 2008. While the original VGA port has been extremely reliable and compliant, the Displayport cable sets a new standard which is on par with the HDMI. Possible uses for the Displayport cable range from a home entertainment system to a computer monitor. The Displayport connection allows for a direct connection from the computer onto a digital entertainment system, greatly simplifying the process and cutting out any messy wires.

Utilising a USB connection supporting 1 of 4 pairs of data including audio, video, and clock signals, the Displayport cable boasts a maximum resolution of 1080p. Although the Displayport cable itself is compliant with other HD systems such as DVI and HDMI, the Displayport connector itself is not cross compatible.

Security measures implemented into the cable includes DPCP, or otherwise known as DisplayPort Content Protection. DPCP allows for users to optionally enable content protection that can help protect transmission data from being intercepted and sent to unauthorized users from a distance. The Displayport system is also being constantly upgraded, with its development backed up by Intel is releasing new versions to the market much like the way HDMI does so.

And in comparison, when looking at Displayport and HDMI, which one is better than the other? There are a variety of answers to this, but one advantage of using Displayport is that it is currently license free, meaning that developers and computer technology manufacturers are more likely to use the Displayport connector since it is more cost effective than the HDMI which requires licensing fees. In terms of quality, the Displayport would be more or less on the same level as a HDMI, which is by far one of the best means of display HD media. Displayport has received much positive feedback from the market, and it will probably continue to do so.

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What Is HDMI - Why HDMI is Better Than 3 RCA Component, DVI, and Other Video Cables

What Is HDMI - Why HDMI is Better Than 3 RCA Component, DVI, and Other Video Cables

HDMI is a term that you encounter when you buy a TV or media player.

What is HDMI? How does it differ from other standards available? What does it mean for you? Let's go for it. HDMI (High Definition Multimedia Interface) is a licensable audio / video connector interface for transmitting uncompressed, encrypted digital streams. Consumer electronics companies Hiitachi, Matsushita, Philips, Silicon Image, Sony, Thomson and Toshiba, this standard established and published for the firstversion on December 9th 2002. This standard uses a single cable to carry uncompressed digital HD video, multi-channel audio and some control signals. HDMI uses a single 15mm, 9pin cable to carry both video and audio signals and a single remote control to operate all the devices in your home theatre. HDMI Devices have Gink intelligence? That helps devices recognize TV resolution and auto adjust it so you don't have to bother about choosing the screen format.

HDMI is an enhanced and robust form of DVI. It is widely replacing DVI and is becoming the de facto standard for the consumer electronics manufacturers. It uses HDCP (High-Bandwidth digital content protection) protocol which protects the output from piracy and provides a secure link between the source and the sink. HDCP helped HDMIi wide adoption as cable and satellite broadcasting associations have made HDCP compliance mandatory to avoid piracy. Though the latest release of HDMI is ahead of previous versions, it is backward compatible with the earlier versions as well as with DVI devices.

Since the first release of HDMI in 2002, new features have been added in each of the versions. Though all of them support 1080pi video resolution, they differ in their audio capabilities. Version 1.0 could decode most versions of audio contained in DVD and digital TV signals, including Dolby, Digital and DTS. Version 1.1 added DVD audio support, which means users with compatible disks and players can listen to 5.1 channel audio streams without the need for six separate audio RCA cables. Version 1.2/1.2a added Super Audio CD (SACD) support getting rid of the need to rely on iLink or analog cables to listen to SACDs. The standard also adds support for Type A PC connector.

The latest Version1.3b/1.3a/1.3b adds support for Dolby TrueHD and DTS-HD Master Audio which are used in Blu-ray and HD DVD players. It supports an increased bandwidth of 10.2Gbps to support the future demands of HD display devices. With support for color depths of 30 bit, 36 bit, and 48bit, the devices can represent any color in the nature with as fine details as a human eye can perceive. It significantly removes on-screen color banding, for smooth tonal transitions and subtle gradations between the colors. It synchronizes video and audio with greater accuracy so you can experience crystal-clear video and audio quality.

HDMI is now enhanced for easier integration with low voltage, AC coupled PC graphics controllers thus bridging the gap between consumer electronics and the PC world. Simple cabling, crystal-clear audio/video, HDCP compliance and interoperability with PCs have put HDMI in the fore-front of connectivity standards and made it the de facto standard.

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