A guide to buyers of HDMI cable

A guide to buyers of HDMI cable

HDMI

(High-Definition Multimedia Interface) is an audio-video interface for transmitting uncompressed digital data between devices such as high-definition HD DVD players, HD satellite boxes and HDTVs. It provides crystal clear, digital audio and video signal in one cable.

The versions of HDMI.

There are several versions of an HDMI cable, v1.0, v1.2, v1.3a, V1.3B, v1.4. Versions 1.3 (a & b) the specification refer to the testCable is certified and do not necessarily offer greater functionality.

The version 1.4 specification is the last date that includes a channel allowing Ethernet to IP-enabled devices. Version 1.4 also supports 3D resolutions up to 4096 x 2160 HDMI organization announced new rules on labeling of version 1.4 cable, these rules prohibit the expression constructors "1.4" on the cable or use the packaging that is was introducedHelp end-users who are increasingly perplexed version numbers. The latest version 1.4 is known as "high speed HDMI cable Ethernet."

All new versions are compatible with previous versions. The HDMI licensing authority is currently working with producers on the characteristics and de-emphasizing version numbers to reduce the focus is not to confuse customers. 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. HDMI Cable 1080p high-speed devices such as Blu-ray and PS3 consoles are used.

Deep Colour, this refers to the TV monitor that can display more colors than the standard.

Xv Colour, offers this extended range of colors or greater, which usually can not be displayed on a TV.

What should be sought.

When buying HDMI cables, we must respect certain things. EMI Ferrite Coresessential to reduce electromagnetic interference, are usually coils around the barrel at both ends of the cable. Shielded to improve the quality or even double and triple shielded cable. Gold plated connectors do not wear a huge impact on image quality, but reduce oxidation.

Cable length

Specifications HDMI cable does not define the maximum length of cable, but due to attenuation, there is a limit to what an HDMI cable can transmit the signal of success.Workmanship and materials a great influence on the overall length of an HDMI cable can be used without loss of quality. A safe limit for any loss of quality would be about 7.5 million. The high quality cables can be used up to 20M. The amplifiers are available, can increase the distance a signal travels without deterioration.

How much to spend

Most equipment manufacturers provides a basic cable in the box, the cable is to get you up and running. The update can be more convenientdo is to spend a few pounds on a good quality HDMI cable. And 'Why spending £ 1,500 on a 42-inch TV and then £ 5 on a cable. The cables are good budget, but in general the more you spend, the better the quality you can expect. A good rule of thumb would be to spend about 5% of the cost of the TV.

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