HDMI
(High-Definition Multimedia Interface) is an audio-video for the transmission of uncompressed digital data between devices such as high-definition HD-DVD players, HD set-top boxes and HD TV. It offers crystal clear digital audio and video signal in one cable.
Hdmi
The versions of HDMI.
There are several versions of the HDMI cable, v1.0, v1.2, v1.3a, v1.3b, v1.4. Versions 1.3 (a & b) to refer to specific evidence that theCable has been certified and do not necessarily offer greater functionality.
Version 1.4 is the latest date specification which includes a channel Ethernet capable devices to be compatible with IP. Version 1.4 also supports 3D resolutions up to 4096 x HDMI 2160th The organization has new rules on labeling of version 1.4 cable, these rules prohibit manufacturers use the phrase "1.4" on the cable or the box, which was introducedHelp for people who were in the final stages more and more confused by the version numbers. The latest version 1.4 is called HDMI cable high-speed Ethernet. "
All the latest versions are fully compatible with earlier versions. The HDMI and Drug Administration is currently working with manufacturers to focus on the characteristics and de-emphasizing version numbers to reduce customers not to confuse. The functions are divided into three categories:
Standard and high-speed refers to the two types of HDMICable and can be used with 1080i and 780p devices. High Speed HDMI Cable 1080p for devices such as Blu-ray and PS3 are used.
Deep Colour, refers to this TV and monitor can display more colors standard.
Xv Colour, this provides an extensive range of colors or greater, which usually can not be displayed on a TV.
Look for.
When buying HDMI cables, make sure that there are certain things. Ferrite EMIimportant to reduce electromagnetic interference, she roughly barrel-shaped coils usually at both ends of the wire are found. Shielded or even double and triple-shielded cable to improve the quality. Gold-plated connectors don not have a huge impact on image quality, but reduce oxidation.
Cable Length
HDMI cable specification does not define the maximum length of cable, but due to attenuation, there is a limit to how long an HDMI cable, the signal of success.Build quality and materials greatly affect the overall length of an HDMI cable can be used without loss of quality. A limit of safety for any loss of quality would be about 7.5 million. higher quality cables can be used up to 20M. The amplifiers are available, can increase the distance of a signal without a significant worsening of travel.
How much to eat
Most device manufacturers provide a basic cable in the box, the cable is to get you up and running. The update can be more convenientFor a few pounds is to spend a good quality HDMI cable. There is no point spending £ 1,500 on a television 42 inches, and then 5 pounds on a cable. budget cables are fine, but in general the more you spend, the better the quality you can expect. A good rule would be to spend about 5% of the cost of the TV.
A Buyer's Guide to HDMI cables
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