Types of television

Digital Terrestrial TV (DVB-T)

Digital terrestrial TV is watched using an outdoor or indoor antenna and is one of the simplest technologies, but the amount of viewable programs is minimal. It depends on the distance of the TV tower with the program transmitter and how the antenna is oriented. In many European countries, including Lithuania, digital terrestrial TV broadcasting is defined by the DVB-T standard. TV set-top box connected to the TV. The set-top box is a special receiver that receives the signal and converts it into a visual and audio signal that can be understood by older TVs. which lead to a significant loss of popularity among the Lithuanian population. Main disadvantages:

  • Slow program switching. The video and audio from the TV tower transmitter are sent in packets, so you must wait for the next packet to switch when switching the program.
  •  Weather dependence. On a sunny summer day, the quality of video and audio may be satisfactory, but in view of the predominantly weathered and rainy weather in Lithuania, quality TV will be lost for a long time. In poor weather conditions, there will be a lot of visual and audio interference.
  • Low number of applications. If you live in one of the biggest cities of Lithuania, you will see up to 14 free programs. This amount of programming these days is ridiculous compared to what digital television over IP networks (IPTV) has to offer. If you live on the fringes of a trusted reception area, you can only "catch" the signal from a digital TV that can be watched using a standard indoor or outdoor antenna, as far as possible, pointing the antenna to the TV tower. So, at least installing an antenna may require additional devices or specialist advice, which can greatly reduce your wallet.
  • Unrealistic image. Digital terrestrial TV is landing on IPTV video scenes that are dynamic or require gentle transitions. The image of highly dynamic video scenes (such as the drop of shiny papers from the ceiling on the concert attendees) blurs into squares. Grayscale and gentle transitions also disappear (eg a close-up of a person's face in pastel colors is less realistic than in an IPTV broadcast).

Digital Cable TV (DVB-C)

Digital cable TV is a television that can be watched via cable television. These digital TV broadcasts are an additional paid service for many Lithuanian cable operators. In many European countries, including Lithuania, digital cable TV broadcasting is defined by the DVB-C standard. This type of TV is only available where cable TV networks are routed. In order to watch digital cable TV at home, you need a TV with a digital tuner or TV set-top box. The set-top box is a special receiver that receives the signal and converts it into a visual and audio signal that can be understood by older TVs. to buy digital cable TV, but the disadvantages are far greater:

  • High price. Analogue cable TV is pay-per-pay, so subscribing to your digital bill can dramatically increase and you will want cheaper alternatives.
  • Video and audio interference. Although digital, TV is transmitted via cable networks, which are not very resistant to external interference. Digital cable TV users are no longer surprised by the "splitting" of images into squares and audio interference.

Digital Satellite TV (DVB-S and DVB-S2)

Convenient and relatively cheap is digital satellite TV. Geographic distance is also less important, as TV satellites usually cover a whole group of countries or a continent at once. In addition, with a more serious set-up of satellite TV, it is possible to see several hundred or even thousands of different TV programs. These are almost all the advantages of this television, which have been serious advantages in the past. Digital satellite TV has been in its infancy for the third decade.

The DVB-S standard, which defines satellite TV broadcasting, has been in use for a longer period of time, and the upgraded DVB-S2 offers video compression innovations. purchase for an additional one-time or subscription fee.At first glance, digital satellite TV looks attractive, but the disadvantages are obvious:


  • eather dependence. Satellite TV is very sensitive to adverse weather conditions. It "dislikes" rain and hail as water and ice crystals suppress satellite signals. In winter, television can be forgotten altogether, as more snow or snowfall will snow the satellite dish head and block the satellite signal. Removing snow from the satellite dish head can be a real challenge, especially if the antenna is installed in a difficult area.
  • Complicated installation. The introduction of digital satellite TV often has trouble installing equipment, especially in apartment blocks, especially when all windows face north. Then you have to put the plate on the roof or consult the neighbors on the south side. If you live in an old town or in a renovated house, the satellite dish will not be installed.
  • Outdated technology. A decade ago, digital satellite TV was able to offer the highest quality, a huge range of programs at the time, and other high-tech TV technologies. For these reasons, it was the most expensive of all TVs, but today digital satellite TV no longer looks so attractive and has become much cheaper because of the high competition from other alternatives such as IPTV.

Digital TV over IP networks (IPTV)

IPTV is a telecommunications system for transmitting and receiving television signals over packet networks using the Internet Protocol (IP).

In an IPTV system, digital television services reach the user through packet networks using the IP protocol. These networks are preferably broadband (eg: ISDN, WiMAX, LAN). IPTV programs can be watched on a PC screen as well as on a standard TV tuner. In the latter case, a signal converter is required, which allows the receiver to adapt the incoming signal to the TV.

IPTV is usually provided as part of a package of services (eg IP telephony and Internet). Collectively, all these services are referred to as "Triple play", which means that there are three types of information exchange: voice, video and data.

Digital TV is gaining popularity over IP networks in Lithuania, as this technology, unlike the ones described above, no longer has any noticeable disadvantages and can be enjoyed a number of advantages:


  • Quality, quality and quality again. A distinctive feature of IPTV is the multichannel transmission of quality information using efficient data compression algorithms that require less network resources than alternative technologies. With IPTV, you will see Full HD programs that will make you forget about your previous TV very quickly.
  • Functionality. Internet TV is a modern information transmission technology that will eventually replace conventional TV. Not only is it a choice of programs, but there are also a lot of options - rewinding programs, changing the language of streaming or subtitles, an electronic program guide, movie galleries and more.
  • Low price. IPTV digital TV is a great choice for those who value the price / quality ratio. The cost, especially if IPTV, TV and telephony is provided by one company, is really low considering the functionality, program selection and quality.

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