How To Choose The Best Cable, HDMI, DVI or Analog



Posted: Saturday, September 12, 2009

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Use of HDMI cables has exceeded the use of it's predecessor the DVI cable as people look for the best reception and performance. But as you consider the options it's not always that clear of a decision about the cable to use for all improvements in pictures for your television and computers.

The difference between DVI cable (Digital Visual Interface) and VGA cable is that the DVI is bringing a higher quality picture on flat screen monitors and other output gizmos. This is because the VGA has a digital conversion where the signal has to go from digital to analog and then back to digital, DVI carries a straight digital signal without having to do that conversion. Most televisions and other things come with DVI connection which is what makes the picture better.

The DVI cables are made for three different applications and so there are three different cables you can get depending on your need. DVI-A is analog only, carrying a DVI signal to a analog device, DVI-D is for digital only, taking a DVI signal to digital components, and DVI-I takes DVI signal to analog or digital. DVI can carry audio feed so it doesn't have as wide a range as the HDMI cable.

HDMI cable, (High Definition Multimedia Interface), has grown in popularity over DVI cable for several reasons. Though video quality is equal to that of DVI, HDMI cable can be made longer without causing degradation of picture or audio and is less bulky than DVI cable. As mentioned above, HDMI cable also can carry audio signals. There are two types of HDMI cable. Type A has 19 pins which is used primarily for home use on any HDMI compatible device. Type B has 29 pins for high resolution above 1080p and is generally used in commercial applications.

HDMI and video cables like DVI will both produce great results for video quality and each has its own unique specifications. Though both can be interchangeable, there are some things to consider before deciding on which one to use. Regardless of whether one chooses HDMI or DVI cable, both will provide great video quality for today's digital devices.

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