How does optical sound work, the function that improves the sound of the TV

It is only natural to want to improve the conditions in which the contents are enjoyed in the house, because those are choosing a better buy television or a Sound system High quality. However, it is not enough to have it and there are certain forms of use that provide this high level of functionality. One of them is Visual sound.

This port is included in most televisions today, although not much is known about it and its use. It is usually located on the back next to the HDMI, USB, and other inputs.

This is a small hole, it flashes with a blinking red light, and it is for audio only.

It might interest you: Televisions that fool the human eye into looking like artwork

This technology was developed by Toshiba in 1983 for CD players at that time and that is why this type of port is often known as Toshiba-Link or TOSLINK.

unlike hdmi cables Other devices that connect to a TV, that use electrical signals and have more cables in them, optical audio devices use fiber optic cables and laser light to transmit sound to the device.

For this reason, the cable for this type of connection is much thinner and more sensitive than the rest, and when the TV is connected, a red light appears, indicating that it is working.

It may interest you: Why Plasma TVs Are No Longer Made

This port is capable of supporting up to 7.1 audio channels. No. means you can play audio on devices with up to seven internal speakers, providing a high-quality immersive experience with greater power and fidelity.

On a practical level, there are three cases in which the use of visual sound is functional:

Amplifiers

This type of device is designed to improve the power and sound quality of the TV, especially in the newer devices, which, due to their size, do not have a high-quality sound system.

It may interest you: Everything you need to know before buying a speaker

One reason both devices are connected this way is because the TV doesn’t support HDMI ARC, which is the port that allows the TV to send audio to a connected audio system. In this case, it would be better to choose visual audio to ensure the accuracy of the content.

Although the difference between HDMI and TOSLINK is usually not realized by the average user, it is worth testing with different content and choosing the best option, as optical audio can be better used with high-end tapes that have excellent audio technologies.

old hardware

If there are old audio centers in the house, that do not have Bluetooth and HDMI to connect to the TV, the best option is TOSLINK, because it will give the highest quality to a device designed for sound, and despite the fact that it passes the years to continue to offer a good experience.

It may interest you: What is screen burn-in and why does it affect TVs

sound insulation

When using HDMI, it is very difficult to separate the audio signal. For example, if we have a home theater and we want to use a CD to listen to music, it will be necessary to turn on the TV to listen to it. But if the connection is through optical audio, it does not need to be turned on and the sound will come through the home theater speakers.