When will digital broadcasting to Russia come?
When will digital broadcasting to Russia come?
In information networks and print mediathere is more and more information about changing analogue broadcasting digital. Even the specific date is reported - July 1, 2018, when analog broadcasting in Russia will be completely disconnected.
Analog broadcasting
With analog broadcasting for output, transmission,Receiving sound and image is an electrical signal. It can be transmitted both by radio and cable. Many domestic TV channels broadcast in the analogue standard. And for satellite and cable channels, programs are duplicated in digital format.
The analogue broadcast signal is continuous, itis vulnerable to any external influences. This leads to a deterioration in sound and image quality. Such broadcasting has only one great advantage over digital - the signal can be received with a simple antenna. City residents mainly use the services of cable television providers.
For the first time in the world, the analogLuxembourg and the Netherlands in 2006. As of 2014, another 23 states have completely switched to digital broadcasting. In Russia, the disconnect of the analog signal is delayed for an indefinite time each time. This is due to the fact that for the transition it is necessary to solve a number of problems related to the laborious and unprofitable coverage of sparsely populated areas, confusion in the broadcasting of digital television, low income from advertising during the transition period. But the main problem lies in the fact that the population does not want to part with the old TVs and buy new-generation equipment (digital set-top boxes).
Digital broadcasting
Digital is called television, for which sound and image are transmitted by video encoding. Compared to analogue broadcasting, the advantages are obvious:
- high quality of sound and images in TV-receivers;
- the ability to record and archive telecasts;
- high definition;
- Ability to select language and subtitles;
- the presence of a function by which you can return to the beginning of the program;
- improvement of noise immunity;
- reduction of the power of the transmitters.
Digital television has one drawback - data is received 100% qualitatively or, conversely, it is bad and with the inability to recover. Also, the signal is securely coded and difficult to intercept.
To receive a digital signal, you mustbuy a TV that can receive such a signal, or buy a digital receiver. Some mobile devices and gadgets can also receive digital signals, thereby allowing a person to watch favorite programs on the road or in the country in high quality.
