Types of Video Adapter

Types of Video Adapter
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A video adapter is an adapter (a physical device that allows one electronic or hardware interface to be adapted without loss of function and then transmitted to another electronic or hardware interface) that is used to transmit video signals to a monitor, television, or projector.

These adapters are available to be used for different reasons depending on our needs.

We have different types of video adapters that are used for different reasons and resolutions. From HDMI cords to component cables, and there are many ways to transmit video signals to our television, projector, or monitor.

These adapters provide different results depending on our needs. This is a list of some of the video adapters:

Table of Contents

Composite video adapters

Composite video adapters are one of the most common television hookup methods. This type of adapter consists of three plugs, one red, one white, and one yellow.

The white and red plug carries the audio signal, and the yellow plug carries the picture signal. This adapter is also known as the RCA cable; it doesn’t support progressive scan images or HD content.

The reason the adapter doesn’t support HD content is that the video signals are forced to travel through a single cable. Also, the video signals are being compressed heavily. The cables also suffer from interference from radio frequency, which further reduces the picture quality.

However, the composite video adapter is a dying technology because it doesn’t support HD video signals. It is practically used when using older equipment such as VCRs or older video game systems that do not support the component video format.

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Component video adapters

Component video adapters consist of three RCA connectors which are coloured red, blue, and green. Unlike the composite video adapter, this one does not transmit audio signals, but it can transmit high definition image resolutions. 

At each end, there will be green, blue, and red RCA plugs. The colour-coding is just there to make it easier for us to connect your devices correctly. The green wire carries luminance data, the blue carries colour data, and the red carries red colour data.

This adapter is popular among modern HD televisions. However, you will need a separate audio connection if you are using this to send this video adapter. Since the adapter is spread across three separate cables, it does not need to be compressed as the composite video adapter.

As a result of this, it allows the adapter to support HD resolution.


HDMI (High Definition Multimedia Interface) is a video adapter that transmits uncompressed video across the cable and integrates both the video and audio signals into one connector.

The single HDMI cable replaces the three composite video/audio cables, making it easier to connect two devices for transmitting video and audio signals. 

HDMI is capable of transmitting enhanced, standard, and high-definition video signals. The HDMI technology is used with almost all devices such as DVD player, Projector, HDTV, or Blu-ray player. It is considered an advanced cable and is present on many computer monitors and most new HDTVs.

In addition, HDMI ports and adapters are very easy to use and are also easy to connect as USB devices. HDMI ports can stream digital audio and video simultaneously over the same cable. HDMI cables support up to 1920-1200 HD video and eight-channel audio.  

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S-Video (Super Video) is a type of video adapter that splits colour and luminance into separate wires (both of which are integrated into the single cable).

The cords are typically round, four-pin connectors that do not include audio (this would be a separate unrelated cable). The adapter has a lower colour resolution than the component video adapter but has a  better image quality than the composite video adapter.

S-Video is found on both television sets and computer monitors. The adapter is typically used on older televisions that might not have HDMI to improve its picture quality. It comes with a series of pins at the end that plug into a circular slot. These series of pins that are being plugged are either 4, 7, or 9. 

S-Video adapters are commonly used to connect old games to TV, linking video cameras or fo rother older consumer electronics devices with limited alternative connections.

The adapter is not normally used to interconnect devices such as Blu-ray players and DVD players. However, the S-Video should give a better image quality than with a composite video adapter.


DVI adapters are one of the most common digital video adapters attached to computer monitors. The adapter is long and rectangular and designed to transmit large amounts of data to an HDTV and LCD screens.

The adapter has as many as 24 pins but does not include a channel for transmitting audio signals like the HDMI cable. 

There are three DVI formats to choose from, DVI-A, which is high-resolution analog, DVI-D which is true digital video, and DVI-I, which is a mixture between both worlds.

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A flat pin on one side of the DVI cable will tell you whether it’s digital or analog. If it has only one flat pin, it’s a DVI-D cable, but if it has a flat pin with four pins around it, then it is either a DVI-A or DVI-I cable.


VGA (Video Graphics Array or Video Graphics Adapter) is a type of video adapter that transmits video signals only, and it is typically 15-pin cables.

Each of the VGA connector’s socket pins displays some aspect of an RGBHV video signal and also plays a role in transferring and displaying some aspect of an RGBHV video signal.

The RGBHV stands for red, green, blue, horizontal sync, and vertical sync. When output by a laptop, video/graphics card, or PC, these components are being combined to form a cohesive video signal which is then viewable on the screen of devices at the other end of the VGA cable.

The VGA adapter has multiple uses in the electronic field. It is used as a connector in electronic devices like televisions, video cards, laptops, etc. It connects and sends signals between computers and laptops, between computers and monitors, and between computers and televisions.

Types of Video Adapter
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