What is a prefix for digital TV?

Currently, most of the country's TVs are rapidly moving to a new format of broadcasting - the so-called digital television. This is due primarily to the best quality of sound and image, as well as the lack of interference and affordable cost of services for maintenance and connection. However, some models of modern TVs already have built-in tuners, but most devices still need a receiver in order to start receiving a digital signal. In addition, additional equipment is required and some instruments with a receiver.

Digital TV set-top box - what's this?

The prefix for digital TV is a small device designed specifically for fixing a digital signal and then transferring it to a conventional TV. As a rule, it is referred to as DVB-T2. This is how the standard of digital broadcasting is designated today, for the transmission of which a special prefix for digital TV is required. The latter, by the way, will necessarily have the support of compression of the received video signal in MPEG-4 format.

In addition, the latest generation digital TV set-top box allows you to view digital channels absolutely for everyone, including owners of old analog TVs. At the same time, experts emphasize that setting up and installing the air-based equipment does not take much time and does not require users to have any special skills and knowledge.

The main advantages of a digital set-top box

As the main advantages of each set-top box for digital TV (the instruction to them confirms this), in the first place one can distinguish a large signal propagation zone and high image quality due to noise immunity. In addition, the list of positive characteristics includes energy efficiency and optimal use of frequency resources. The latter is directly related to attracting more broadcasters due to lower tariffs for digital signal transmission. Finally, as an obvious advantage, one can single out the expansion of the number of television channels available to users.

How to choose a digital TV set-top box

In order to properly select the most optimal model of the receiver, you must first determine the provider that will provide digital television, since it will depend on the source of the signal. Further, it should be clarified about the possibility of the receiver adopting high-definition HD channels. In addition, you need to know in advance whether a digital TV set-top box is equipped with a conditional access slot, the presence of which is required to receive encrypted programs using a smart card. Also, if necessary, you can ask about the existence of the ability to write via USB. In conclusion, it is necessary to find out about the availability of service centers for servicing the purchased equipment.