What is hdmi cable

 

HDMI is an acronym for High Definition Multimedia Interface.

High Quality Multimedia Interface (HDMI) is the most often used HD signal for transmitting all high definition audio and video over a single cable.

It is the most often used cable in households, linking items such as portable televisions, DVD players, BluRay players, Xbox, Playstation, and AppleTV to the screen.


HDMI is also available on laptops and PCs, making it the staple for the corporate and industrial industries – for school, exhibition, digital signage, and retail show – to relay high-quality audio and video signals from computer to device

Installing an HDMI cable into the home theatre system

HDMI is a wireless device that replaces analogue solutions that need different audio/visual cables with a single cable solution for integrated HD video and audio (such as VGA and audio jack).

Link the output of your HD source (for example, a Blu-ray player or a Skybox) to the input of our HD displays – whether it's your TV, a commercial computer, or a projection, all the way up to a multi-screen video wall! If the machine contains external control or signal distribution equipment such as a signal splitter, HDMI switcher, or AV matrix, HDMI cables can be included with an AV / home entertainment system.

What's the difference between HDMI connections and cables?

The 'Type A' variant of the 14mm HDMI connector is accessible as either a 'plug' or a'male' connector on the cord. A standard HDMI cable would normally have a connector on both ends, with HDMI Type A Sockets on AV smartphones (the Source, Display, Screen, TVG, etc).

The HDMI Type A connector is the most popular and can be used on a wide range of audio visual equipment and computers, like your TV, Blu-ray player, and XBox, as well as specialist distribution equipment including HDMI distribution amplifiers, matrix devices, and switchers.

However, as smaller and smaller devices, such as our smartphones and tablets, gradually become our personal HD AV outlets, HDMI Mini (Type C) and HDMI Micro (Type D) HDMI connector models are usable.

The distance that HDMI transmissions will travel, however, is restricted. When using Category 1'standard' HDMI cable, we suggest keeping the lengths to no more than 10 metres, according to CIE.

High-grade Category 2 cable is available, and we can successfully achieve cable lengths of up to 15 metres with it.

To extend the range of your HDMI signal, you have a few options:

- Using HDMI switchers and repeaters to easily 'amplify' or recalculate the HDMI signal, making for better and longer transmission.

- Using the most up-to-date HDMI-over-Ethernet or HDBaseT cable;

- HDBaseT technology allows you to stretch the signal up to 100 metres using regular cat 5e, 6 or 7 ethernet cable.

Unique transmitter/receiver devices are needed for these systems, which we cover in depth in other videos on the HowToAV video page.

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