HDMI cable and laptop
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HDMI cable and laptopHDMI cable and laptop
Nov 2021 5 min read

What is the function of a HDMI cable? What does an HDMI cable do for your TV?

HDMI is an acronym for High Definition Multimedia Interface. It is the most commonly used HD signal for the transferring of both high-definition audio and video through a single cable, from one device to another.

It is often employed in the commercial AV sectors. It is also commonly used in households, connecting devices such as digital TV, BluRay players, DVD Players, Xbox, AppleTV, and Playstations with the television.

The use of HDMI also includes laptops and PCs, consequently becoming the standard for the corporate and industrial markets, being significantly used for education, digital signage, presentation, and retail display to broadcast high-quality audio-video signals from one device to another.

Types of HDMI Cables

The HDMI interface permits a port to transfer high-resolution digital video, top-quality sound and device commands via a connector and through a single cable. There exists multiple types of HDMI cable that have been adapted over time, each designed to support a video resolution and features in the HDMI blueprint.

Type of HDMI Cable

Bandwidth

Resolution

Category 1 Standard Cable 4.95 Gb per second 1080i or 720p
Standard with Ethernet 4.95 Gb per second 1080i or 720p, with a dedicated HDMI Ethernet Channel
Category 2 High Speed 10.2 Gb per second 1080p (4k @ 30 Hz)
High-Speed with Ethernet 10.2 Gb per second 1080p (4k @ 30 Hz), with a dedicated HDMI Ethernet Channel
Category 3 (4k) 18 Gb per second 4K @ 60Hz
Category 3 (8k) 48 Gb per second 8K @ 60Hz and 4K @ 120Hz

Functions of a HDMI Cable

There are five distinct HDMI connector types, including Type A, B, C, D, and E. The most commonly used connector is Type A (standard) which is 13.9 mm × 4.45 mm, and has 19 pins. The functions of Type A are listed below.

1. Watching Movies from a Laptop on your TV

The most popular function of an HDMI cable is to browse video content from your Laptop on your TV. A TV unquestionably provides a better viewing experience and this type of cable allows you to watch your desired video on your TV at any time. 

2. Connecting Soundbar to your TV for better sound

A Soundbar needs to be purchased separately, powered independently and connected to the TV via its HDMI interface using a HDMI cable to boost the sound quality.

2. Connecting a Streaming Box to your TV

Services such as Netflix, Apple TV+ and Prime Video, are gaining more popularity for entertainment. All of which use the HDMI interface to connect to one's existing TV.

What does an HDMI cable do for your TV?

The HDMI assemblage readily allows the port to send high-resolution digital video, device commands and top-quality sound through a connector. The HDMI Port type varies in functionality, and the correct cable can result in a massive difference in sound and video quality, enhancing the overall experience. 

How to choose the best HDMI Cable

To choose the best possible option for your Television in terms of an HDMI cable, you have to take note of the following:

  • The connector type.
  • The initial resolutions of your video source and display.
  • The distance between your devices.
  • Installation of the cable on walls or in humid or dusty environments.

All of the above greatly affect the quality output of your HDMI Cable and its performance.

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2021-11-29 23:44:00
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