Most people have a television set these days, but very few actually understand the process by which their favourite programmes are transmitted. Of course, you dont have to know how to enjoy it, but it may help you appreciate the amount of effort that goes in to a transmission.
There are three basic steps involved in the transmission of a television programme. These are:
Material this is the programme itself
Master control this selects the programme to be transmitted
Effects this includes the network identifier
The programme itself can be in a number of different formats. A live transmission is where the material is coming directly from a live feed, such as a sports or news event. A second source of material is from a digital video server. This is basically a huge computer hard drive that has various pieces of material recorded on it that can be played at any time. The final type of material is from tape. This tape tends to be digital video, but analogue tapes can still be played too using a special analogue-to-digital converter.
The master control operator, or transmission operator, is responsible for selecting the correct programme...
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