Hdmi Display
HDMI and DVI are both regarded as excellent methods of cable connection that for high definition video. In terms of quality, both of these are exactly the same, so these two should not be compared in terms of quality. However, it is known that HDMI can carry audio in addition to video signals and this proves to be the principal difference between the two. This can also be tweaked to allow a DVI source to connect to a HDMI display and vice versa, since the two types of cable are extremely similar and utilize the same type of encoding.
DVI and HDMI both utilize functions which can deliver signals using the standard red, green and blue colour components. They are both digital, and that means that they are based both on similar specifications. HDMI was in fact derived from the DVI build, and therefore they are very similar in the way that data is processed.
A DVI connection has three main connection types – DVI-D, DVI-A and DVI-I. The first one of these three connections, DVI-D is a digital only connection, the second, DVI-A being analogue only and the third, DVI-I is both analogue and digital. The reason for the differences in these connection types are related to compatibility with different devices, some may function with DVI-D but not with DVI-A and etc.
The HDMI device was released in late 2002 and is similar in its ability to transmit uncompressed digital signals much like the DVI. It is capable of connecting any compatible audio and digital source to another, such as a TV to a game console, a DVD player, PC or set top box. However, the HDMI has one major disadvantage and this includes having multiple versions released each time it is updated, such as version 1.1, 1.2 or 1.3.
There are two big differences that should be noted however of DVI and HDMI, and this includes the support for security content protection. There is a system that HDMI uses in order to protect its media called High Definition Content Protection (HDCP) in which HDMI incorporates and DVI currently does not. Additionally, HDMI supports audio in addition to video.
What would be the recommended choice here? HDMI and DVI are both very similar, but if you had to choose between one or the other, it would probably be a wise idea to go for HDMI. The main reasons for this conclusion would include the fact that being able to transmit audio signals as well allows you to use HDMI on a broader range of devices such as home entertainment speaker systems which allow you to play music using a better and faster cable connection. It is also a predicted trend that in the near future, the market will create a big push for HDMI over DVI due to the practicality in which it connects HD sources to a display. The world is slowly pushing forward to adopt HDMI as the standard of HD display of DVI, and although one is not better than the other, one can assume that out of the two, HDMI stands out to be more popular.
About the Author:
Article by Robert M Deans, Sales & Marking Manager of Cables & Leads. Cables & Leads are the number 1 UK supplier of HDMI Cable & Optical Cable . For more articles by Robert visit www.cables-leads.co.uk/blog
Article Source: ArticlesBase.com – HDMI Vs DVI – What is the difference?
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