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TECHNOLOGY 4G mobile broadcasting In a UK fi rst BBC R&D collaborated with EE, Huawei and Qualcomm on a trial to broadcast live footage from the Games over the EE 4G mobile network. Handheld devices are an increasingly popular way of consuming BBC programmes but conventional streaming over mobile networks can buffer or freeze at times of heavy congestion, as content needs to be sent individually to every user. 4G broadcasting offers an alternative to this, allowing live streams to be transmitted once over the mobile network to a large number of users simultaneously. Not only does this offer potential audience benefi ts due to the increased quality and reliability, it can also be a more effi cient way to deliver popular shows and live events to audiences. For further detail please see the BBC R&D website using the above QR quote.. Virtual reality By combining existing research into 360 degree video and 3D audio, BBC R&D, with the assistance of UCL, created the most immersive live virtual reality broadcast to date. In this demonstration, a panoramic, 360 degree video camera, and a 3D audio microphone were placed into the SSE Hydro Stadium in Glasgow, streaming the live feeds to an Oculus Rift virtual reality headset in the Glasgow Science Centre. This provided the viewer with the sensation of being transported inside the stadium and being part of the crowd. This work forms part of ongoing projects to explore the creative and editorial potential of new consumer audio-visual technology. Augmented video An experimental extension to BBC iPlayer that can draw graphical overlays on top of video streams. As with subtitles, these graphics can be activated or deactivated by the viewer. In sport these could include putting names above player’s heads, adding text to show how fast a person is running or highlighting a ball to assist viewers with poor eyesight. Other examples could include adding zoological information about a species being shown in a nature documentary, or showing recipes during a cookery programme. At the Showcase, visitors were able to see the prototype in action, where the graphics were used to provide insights into gymnastics events. Searching? broadcast cameraman Search with full details of hundreds of GTC accredited Camera Operators, Lighting Cameramen, DoPs and specialist cameramen, why go anywhere else? www.gtc.org.uk/search 72 | TV-BAY MAGAZINE: ISSUE 92 AUGUST 2014 TV-BAY092AUG14.indd 72 08/08/2014 15:29