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The struggle between DisplayPort and HDMI continues

This week marks an important move forward for the DisplayPort special interests group as the Video Electronics Standards Association (VESA) has officially approved DisplayPort version 1.1 as an industry standard. Despite the approval, there is an ongoing struggle in the graphics industry about which technology will make the cut as the de facto high-definition PC interface: DisplayPort or HDMI.

According to VESA, the DisplayPort standard has come quite a long way. "DisplayPort 1.1 gives manufacturers of LCD panels, monitors, graphics cards, PC chipsets, projectors, peripherals, components, and consumer electronics a next generation digital interface that is designed to replace LVDS, DVI, and eventually VGA," said the statement.

VESA indicates that the benefits of DisplayPort are significant and important, and that the group thinks DisplayPort will be integrated into many next-generation PCs. "Our task groups and committees within VESA worked very hard to ensure that DisplayPort 1.1 satisfies the important objectives it is designed for, and as a result, this new version has widespread support among all the leading computer and consumer electronics suppliers."

Major developers like AMD, NVIDIA, HP, Intel, Lenovo and Samsung have said that they will fully support DisplayPort. According to the release:
Available throughout the industry as a free to use, open and extensible standard, DisplayPort is expected to accelerate adoption of secure digital outputs on PCs, enable higher levels of display performance, and introduce high volume digital displays that are simpler, thinner, and easier to use than VGA.
On the other end of the spectrum, the groups backing HDMI argue that while there are valid features in DisplayPort, HDMI can do everything that DisplayPort can and more. The most pominent factor however is the fact that DisplayPort doesn't have solid definitions for licensing. Although the DisplayPort group claims that there is little to no fees, the HDMI group points out that there are also no restrictions on adding in fees at a later date.


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By WayneG on 4/3/2007 7:56:57 PM , Rating: 2
I see it this way: HDMI is a format primarily designed for the home entertainment devices, this is evident from the fact that it carries an audio signal as well. The numerous amounts of revisions makes it nearly impossible to implement on a PC device since PC users want to have the best all the time and can't afford to change monitors/graphics cards to suit the best HDMI revision available. Displayport on the other hand is designed primarily for graphics cards, none of that silly audio routing (DTS, etc.) which to be fair is more of an annoyance to the graphics/monitor and sound card manufacturers since they have to find a way to route the sound through the graphics card to the sound card to your speakers which adds to latency causing unnecessary problems. It's fairly easy to see the most majestic method of transporting video on the PC is simply through a dedicated cable, in this case Display Port. HDMI should stay with media and entertainment since consumers like simplicity, they don't care what HDMI revision they have or how the audio is handled, they just want it to work. Simple as ;)


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