An overview of digital broadcasting

November 10, 2020

Digital TV broadcasting (DTV) is simply the process of broadcasting of audio video signals in a digitalized form and not in the form of analog signals. The process of digital broadcasting is slowly and gradually replacing the analog televisions in almost every nation around the world.

Digital television is available in many picture formats distinct by the arrangement of the size of aspect ratio. Aspect ratio is the width to height ratio of the picture format. Basically the series of formats are broadly divided into two categories- HDTV and SDTV.

HDTV stands for high definition television and SDTV is an abbreviated form of standard television.

One of the most important applications that digital broadcasting has given is the Direct to home TV. The DTH industry is strengthening its roots worldwide at a really fast pace. This technology makes use of the digital signals for the uplink and downlink process of the transmitting signals. These signals are then received at the user s end with the help of a satellite dish or set top boxes.

This technology has also enabled to produce a wide range of both national and international channels and services to the viewers. This transmission process also makes use of the teleport services that help in the continuous transmission of signals in the up linking throughout the broadcasting procedure.

Currently there are many broadcasting companies in the market who offers the services of direct to home television. These satellite service providers broadcast digital TV through their personalized broadcasting satellites. More interestingly some DTH providers even offer an additional service of high speed internet connection as well.

Some of the prominent broadcast services offered by companies are : DVB-RCS solutions, TDM/TDMA solutions, Internet over satellite, multi-media over satellite, teleport services, TV and Radio Broadcast solutions, fixed earth solutions, mobile earth solutions, digital audio broadcast service and television receive only service ( TVRO).

They also offer the facility of purchasing certain telecom and satellite based devices as well like the satellite dishes, hot bird transponders etc.

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