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University of Bradford School of informatics

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Interactive Live TV
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Interactive
The phrase ‘couch potato’, a popular image of the television viewer, came from a time when watching TV meant staring blankly at the screen for hours on end. Nowadays, with multiple interactive screen guides and sophisticated recording devices, we expect more from our television. This summer, during the Beijing Olympic Games, a research project called LIVE changed the viewers’ experience of watching live sports events. The research project is being conducted by partner groups across Europe, including the University of Bradford which will be led by Jianmin Jiang, Professor of Digital Media in the University’s School of Informatics.

The project brings the possibilities of TV up-to-date with other screen-based activities. ‘While computer gaming allows users to experience, interact, and participate, TV is still essentially limited to the provision of viewing experiences,’ explains Professor Jiang. ‘In many cases, however, especially in live broadcasting, viewers could be interested in other relevant information to enhance their viewing experiences.’ An example may be an athlete who has just won the gold medal unexpectedly ‘who may not be well known at the time, and therefore the audience would like to know how he or she performed before, where he or she was educated or trained, and any other relevant information.’

Different angles
Conventional live television has been constrained in its ability to respond to unexpected events with useful information because the background material, such as archive footage, is already pre-prepared. The new system has access to imagery that can be called upon quickly by the TV producers. Equally, viewers can choose from a range of screens showing different camera angles and archive material. ‘The viewers see multiple images (channels), which include both camera feeds and archived clips,’ explains Professor Jiang. The production studio then constantly update on the viewers’ watching preference so their coverage of the event can be even more responsive to the interests of the sports fans.

Sprint at 100m © iStockphotoShaping TV evolution
The trial was performed by the Austrian Broadcasting Corporation ORF, and initially 500 Austrian households were provided with the set-box technology required to receive and interact with the LIVE Olympic show.  The team at the University of Bradford is developing algorithms to process and analyse the video content. If the project proves successful, the technology could help shape the evolution of all live TV, from sports to news events.
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