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The broadcast industry is on the cusp of a new era with the launch of ATSC 3.0 This flexible platform supports multiple types of encoding, which can result in viewers always getting the best available signal over a variety of reception conditions.
In this series of articles, we will explain broadcasting for IT engineers. Television is an illusion, there are no moving pictures and todays broadcast formats are heavily dependent on decisions engineers made in the 1930’s and 1940’s. In this article we look at how to represent time in 59.94i frame systems such as those based on the American NTSC systems.
If UHD is going to become a mainstream broadcast medium, we’ll need to be able to monitor, edit and review it. But can we?
With ATSC 3.0 poised to change the broadcast industry’s basic signal, we need to understand this signal is poised between HD and true 4K.
Over the past five years, the ways in which we choose to watch television have shifted dramatically. It wasn’t too long ago that live TV was the only option available to us. We had to make sure we were seated with the television on, at the time our favourite shows and movies were scheduled to be broadcast. If we didn’t, we simply missed them.
The reliability of SFN transmitters is crucial. However, some SFN sites can be more crucial than others, such as the ones that cover where the most viewers and sponsors are located.
IP’s suitability for live broadcasting is no longer debatable. It’s been proven in a variety of real-world global deployments over the past several years. Even so, there’s lingering skepticism around IP and a surprising lack of understanding.
In this series of articles, we will explain broadcasting for IT engineers. Television is an illusion, there are no moving pictures and todays broadcast formats are heavily dependent on decisions engineers made in the 1930’s and 1940’s. In the last article we looked at the incredibly complex relationship between lines and frames for NTSC systems used in the USA. In this article we look at the systems used in the UK and Europe.
