HDMI vs DVI- By: Clementine Robertson

Description : HDMI vs DVI, what is the distinction? Which one is better? Are DVI and HDMI compatible? And of course, given the choice, that one should you employ? The variations (or lack there of) might surprise you. Lets take a peek at every of them then evaluate the differences.
Digital Visual Interface (DVI) may be a digital commonplace introduced in 1999 by the Digital Show Operating Group (DDWG). It is designed primarily for carrying uncompressed digital video data to a display. Originally the show was a computer monitor but DVI is currently commonly used for television as well. One among the most areas of confusion with DVI is the quantity of different connectors out there, that represent completely different functionality. There are 3 main affiliation sorts for DVI, DVI-D (digital solely), DVI-A (analog solely) and DVI-I (digital & analog).
High-Definition Multimedia Interface (HDMI), released late in 2002, is an all-digital audio/video interface capable of transmitting uncompressed streams of knowledge kind of like DVI. However HDMI additionally provides the flexibility to hold audio signals, in addition to video, in addition to incorporating HDCP, which may be a Digital Rights Management technology.
Thus what is the distinction?
When trying at the variations between HDMI and DVI we find they actually have a lot of in common then differences. They both support digital transmission; they conjointly are primarily based on similar specifications since HDMI was derived from the DVI specification. There are 2 huge variations:
HDMI incorporates content protection called High Definition Content Protection (HDCP).
HDMI supports audio in addition to digital video. (DVI solely supports digital video)
Are DVI and HDMI compatible?
Is HDMI compatible with DVI? Since DVI is that the predecessor to HDMI, HDMI and DVI are identical as far as video is concerned. So, video backward compatibility exists. But, DVI can not support digital audio. For example, if you've got an older DVI affiliation on your supply and a HDMI connector on your show, a HDMI to DVI cable is all that is needed in order to view the video. A separate audio cable (TOSLINK or SPDIF) will be required to hold the digital audio.
A Warning about Cable length
The HDMI specification does not define a most cable length. HDMI 1.three outlined 2 classes of cables: Class one (commonplace or HDTV) and Class two (high-speed or larger than HDTV) regardless, neither HDMI or DVI work well over distances bigger then fifteen feet. If you would like a cable longer then ten feet you may positively wish to think about prime quality cables. For something greater then 15 feet, some corporations provide amplifiers, equalizers and repeaters that may facilitate bridge longer distances.
Which one ought to I use these days?
If on the market, we tend to suggest HDMI. This is not because it's any higher then DVI, only as a result of the business can heavily push HDMI due to the HDCP Digital Rights Management technology. But you should not expect any distinction when moving from DVI to HDMI, thus if you have got DVI already, continue until the following customary comes around. A very little off topic, but still of relevance is that you will be in a position to get similar quality video by using your existing Component connections. A typical misconception is that Component cannot carry HDTV quality video, that is incorrect. Depending on the parts in your system you will get the same or better performance with a Part affiliation then with a HDMI or DVI connection.

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Author Resource : Jeff Patterson has been writing articles online for nearly 2 years now. Not only does this author specialize in Audio Video, you can also check out his latest website about


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