What is AV on a TV?

Ever want to relax and get the most out of your TV but don’t know how certain features work and what they stand for? One popular feature you’d most likely know if you’re a TV person is an AV input. But what is AV, and what does it stand for?      

What is AV?


AV stands for Audiovisual. It produces the audio and visual signals you need to enjoy your favorite programs. It allows your TV to come to life for your entertainment.

AV input is a standard label on a connector to receive AV audio/visual signals from equipment that generates AV signals (AV input). It allows you to display the images and sound from various video sources on your TV screen.

What Are AV Input And Output?

The AV input label on the connector signifies that the port can receive audiovisual signals from quality electronic devices.

On the other hand, AV output sends Audio/Video information from one piece of equipment to another.

AV input and output are essential components that you need to understand before successfully hooking up your TV with other devices in your system. If you want to get the most of your TV, these features cannot be overlooked. 

AV Input VS AV Output

These are labels seen on connectors of gadgets and mean that the connectors receive audio/visual signals from other electronic signals.

What Is An AV Cable?

An AV cable is usually an audio and video cable. It is used to connect different items of audiovisual equipment or used to connect display sources to outputs like TV. An audio-video cable usually consists of 3 cables- red, white, and yellow connectors and their terminals. 

AV Cable

AV Cable Colors And Their Meanings

•    Yellow is for video

•    Red is for right channel audio

•    White/black is for left channel audio.

Types Of AV Cables


An HDMI cable can transfer HD video and audio signals from the RCA port on your device to the computer monitor on TV. In a single cable, you get the advantage of Digital video(DVI)and multi-channel audio.

RCA AV Cable

This cable is the same with many standard definition devices such as gaming consoles, DVD players, and cable boxes. This cable is broken into three output cables: Red, white and yellow parts.


VGA/DVI cable is mainly used for displacing video signals from a personal computer to a monitor or high-definition TV. DVI can send signals from conventional sources to high-end HDTVs, DVD players, plasma displays, etc.

Coaxial AV Cable

Coaxial cables are mainly for transmitting both audio and video between devices. These cables are also known as RF cables and are used to connect the cable box or digital box to the TV. 

What Is AV Sink Device?

An AV sink device is also known as a Display Device. Examples of this include Screen, video display, output device, or even TV’S.

What Is AV Source?

AV source is simply a media creation device from which your content originates, audio or Video. An example is a DVD player connected to a television. The DVD is the source, and the television is the display service/sink.

How Do AV Cables Work?

Now that we know, AV cables connect display sources to output like TV.  AV cables can carry audio and sound cues and have separate connectors to the TV. 

How To Connect An AV Receiver To Your TV

An AV receiver is the center stage of any sound home theater system. It contains the video and audio information of any device connected to your system.

To connect your AV receiver to your TV, the first thing you should do is;

•    Look at the backside of the AV receiver to see the kind of inputs your receiver has and which of them goes in line with your TV.

•    Go ahead and choose your preferred mode of connection.

•    Plugin the cable into the correct output on the TV on one end and the other end into the same input on the receiver. Signals will be transferred from your TV through the cable to the receiver, which allows you to control it as you like.

•    Select the appropriate input on the front of the receiver.

•    After plugging your TV into the back of your receiver, you plug it into one of the many sets of similar inputs. These inputs allow you to plug several devices into a single receiver.

What Is An HDMI Used For?

HDMI provides an interface between any audio/video source such as a set-top box, DVD player, or AV receiver and an audio or video monitor. It supports standard, enhanced, or high-definition video plus multi-channel digital audio on a single cable.

Where To Find HDMI Cable Connections

HDMI cables are the primary way to connect devices to a TV or home theater. Some devices may have HDMI connections. These include;

•    Media streamers

•    TV video projectors and Pc monitors.

•    DVD, Blu-ray, and ultra HD players

•    Cable/satellite boxes and DVR’s

•    PC and laptops.

•    Game consoles

•    Digital cameras, camcorders, and smartphones.

Types Of HDMI Cables

Standard HDMI Cable

 These cables are designed for standard HDTV broadcasts.

Standard Automotive HDMI Cable

This cable type had the same capabilities as a standard HDMI cable, but it connects portable or in-car DVD players and other in-car video displays.

High-Speed HDMI Cable

This type of cable is known for handling video resolutions of 1080p and 4k(30 HZ as well as providing support.

High-Speed Automotive HDMI Cable

This cable type has the same features as high-speed  HDMI cables, but it is used for the automotive environment.

Premium High-Speed HDMI Cable

This cable type is designed to transfer 4k/ultra HD resolution video, including 4k/60 HZ/HD and an expanded color range.

Ultra High-Speed HDMI Cable

 This cable type supports up to 48Gbps bandwidth (transfer speed)and is less susceptible to EMI(electromagnetic interference).

HDMI Cables With Ethernet Built-In

 These cables are designed to allow multiple HDMI-connected devices to share a single traditional Ethernet connection to a broadband router at a speed of up to 1.00Mb/sec.

Differences Between HDMI Cables And AV Cables

HDMI and AV cables have been essential features that give meaning to a Television.

Since they are both wirelines, they have differences, and none is more important than the other. They both work well for various purposes.

The difference between HDMI and AV cable is that an HDMI cable supports the digital signal. In contrast, an AV cable supports an analog signal, and they are of great importance in maintaining signal quality.

Also, while an HDMI cable is responsible for transmitting video information and digital audio from an HDMI-compliant source device, an AV cable is an audio-video cable that accepts analog signals and sends audio-video signals to the television.

In addition, AV cables are more susceptible to noise than HDMI cables. 


AV is a generic term for the audio and video components and capabilities in home entertainment systems and related product descriptions and reviews. Without this feature, the TV would be rendered useless. 

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