Digital Television Technology
Uploaded by spootyhead on Mar 19, 2007
Digital Television Technology
Technology development has made a great change, digitization of TV signals leads to a huge increase of more channels available, specially on terrestrial, satellite, interactive TV and other convergence of various media such as broadcasting, publishing and computers. They are all forms of multimedia development of high-definition wide-screen TV. Such kind of great developments are leading to powerful economic interests and are providing opportunities for huge sums of profits in these wide expanding markets. Although such problems as program designs in broadcasting occur, however a resolution has fitted in.
The main problems in digital TV are however concerned by the broadcasters, the audiences and the government. As for the broadcasters, the problem occurs as such: How can the programs come from fill the excisting channels? This problem is one of the main and they want to resolve it when they get the film libraries, archival materials which includes backlogs of sitcoms, series and serials. However there is no doubt that such economic pressures will mean that cheap TV programs will have to reproduce itself. It is a fact that more channels in television doesn’t mean there will have more different things but more same stuff.
As for the viewers, the problem is that they will have to insert or buy a set top box to receive these standard digital terrestrial TV channels, the digital satellite TV and digital cable TV. Although they are all TV, but are three separate system. Viewers may not need to have three different set top box, however unless they choose to buy a new TV hardware.
As for the government, they have to assign a date of the switch over from analogue transmission to digital transmission. However, if the analogue is switched off, viewers without a digital transmission TV or a set top box would be unable to watch TV when their TV set is unable receive digital transmission, their TV would be a piece of rubbish after all. Although this is the case, investors in digital are keen to see a specific date for this analogue to digital switch over which would force the sale of these new digital hardware and services. This would be done by taking a period of time to soften the customers (TV viewers) burden as in financially, however this would destroy the investors good planning. (as in making money out of selling these...