A digital TV set-top box is a small-sized device specifically designed to capture a digital signal and then transmit it to a regular TV. Most have already switched to this format, this is due to good sound quality and clear images.
TV set-top boxes
Any digital set-top box consists of such elements as a housing, a receiving and processing board and a control panel. The set-top box works as follows: it receives a signal, converts it and broadcasts it to the TV either in analog format (via RCA or VGA connector, you need to switch the TV to AV signal mode), or in digital format (via HDMI connector, you need to switch to HDMI signal). The use of a set-top box can significantly increase the quality of television broadcasting, regardless of how modern the TV is. If desired, the set-top box can even be used to connect to a TV with a kinescope. At the same time, you need to understand that the quality of the broadcast depends, among other things, on the screen resolution.
As the main advantages that each set-top box for digital TV has, a large signal propagation area and high image quality due to noise immunity can be distinguished. In addition, the list of positive characteristics includes energy efficiency and optimal use of the frequency resource. An obvious advantage is the expansion of the number of television channels available to users.
How to choose a TV set-top box for digital TV
It is important to know how to choose a digital TV set-top box that will fit your TV and can last for several years.
- Connectors. To connect a set-top box to a TV, both devices must have suitable connectors. These can be RCA or SCART connectors typical of older TVs, as well as modern HDMI. If the correct attachment does not have the required connector, an optional adapter can be used.
- Screen resolution. Modern set-top boxes are capable of broadcasting a signal in HD or Full HD resolution. Standard definition television SDTV is no longer used in many places and is gradually going out of fashion.
- Additional features. A digital set-top box can perform several functions besides receiving and transcoding a signal. The additions include the possibility of deferred viewing and even recording the transfer to an external media connected to the USB port of the set-top box. It should be emphasized that standard TV-receivers are not equipped with Internet access and receive a signal either through an antenna cable or from an external antenna.
- Internet and TV. Many city ISPs provide users with the function of watching TV over the Internet, and this TV is called IPTV. This means that if the provider has problems with the Internet, then you will not have TV in your house either. But on the other hand, with such a connection, you get 50 or more channels in excellent digital quality.
- IPTV function. It can also be used in Android set-top boxes through special applications. In such set-top boxes, the applications also include an Internet browser. Such devices are connected to the Network via the built-in Wi-Fi module or via a LAN input using a twisted-pair network cable.
The main points when choosing a set-top box:
- Speed and stability of functioning. This point is extremely difficult to determine, since this type of characteristic combines several factors. To get more detailed information on this point, it is best to read the reviews of those who purchased and tested the device.
- Signal reception. Based on the reviews, it turns out that not all set-top boxes are able to quickly connect to all TV channels and find a wireless connection. To get more detailed information about the selected model, read the reviews and check the operation of the device directly in the store.
- Value for money, technical characteristics.
- The operating system being used.
- Ease of management.
- Interface.
- Additional functions. For example: support for SD card, voice search, mobile control, etc.
