Television (TV) has undergone a lot of important milestones throughout the years of its evolution starting with a primitive mechanical television (1884) through electronic analog (black and white, color) televisions to digital television (in standard and high definition resolutions). Digital television provides a new way of video distribution and broadcasting. It is a new media that offers a lot of innovations with a new operation model. The advent of digital television significantly contributes to a convergence of computers, television and Internet. Benefits for customers are noticeable: a treat from a picture in high definition resolutions, audio in CD (Compact Disc) quality, hundreds of TV channels and plumbless access to a wide range of new services. These digital technologies allow various companies, operators, providers and distributors to offer a variety of useful and profitable services such as a high data rate Internet access, offline as well as online games, video on demand, video and audio (songs) streaming, electronic newspapers and others.
Digital television utilizes a big advantage it offers a high speed data transmission enabling it to provide a rich multimedia content. In comparison to analog television one analog TV channel can carry a group of digital TV channels including radio and data channels. How is it possible? Thanks to digital video compression techniques and modulations.
In order to allow digital television come into being cooperation among a several companies was required. Some of the best-known companies are: the European Telecommunications Standards Institute (ETSI), Digital Video Broadcasting (DVB) consortium (project), the Advanced Television Systems Committee (ATSC) and other.
Digital video broadcasting project originated in years 1991 to 1993 and grouped about 80 members. Currently, about 300 organizations and companies form this project (consortium) in more than 30 countries. Project member portfolio covers electronic device producers, network operators, broadcasters, software companies and regulatory bodies [18].