September 2014
www.tvbeurope.com in association with
TVBEurope vii 4K Supplement
a par with historically quicker new technology reaction times of internet providers means that the heavy lifting for the UEX can be placed within the network rather than in the STB. “The rise, and in some cases dependency, on two-way systems has enabled the logic and layout of UI to be more virtualised, reducing the complexity of supporting device-specific embedded code,” says Morse. “This not only gives increased service velocity through the use of cloud for new features, but enables the business model of supporting a diversity of end-point devices.”
“What is probably the most challenging is to ensure that video Wi-Fi networks in the home are capable of distributing 4K content as it potentially requires 25Mbs of airtime for one stream” Charles Cheevers, Arris
The good news is that UHD is merely a new codec carried within the existing delivery frameworks, i.e., MPEG transport and/or ABR. This makes it somewhat transparent from a processing, storage and delivery perspective for in-home DVR and cloud-based delivery. Naturally, the end-point devices need to be UHD-capable devices.
for alternative content sources, especially on portable devices, eroding the value of a service provider’s brand.
Its team created a model UI for 4K TV dubbed Gravity Ultra, which premiered last September and will show new iterations to it at this IBC. “The UHD UI and UEX is not just about rescaling HD and tidying up tired old SD or HD interfaces, EPGs and pop-ups,” says Fishman. “It is about looking at the UHD screen real estate, the resolution and big-screen format in a different way, in order to create a complementary and visually stunning ‘wow factor’ that goes beyond UHD video.” None of this will work if the UI is not simple to navigate. The jury is still out on whether voice
control, gesture, second screen or traditional remote control is the best means of interacting with the giant screen.
Nagra’s aim is to enable users to interact more naturally with the screen by mimicking the way that people organise and interact with objects in the real world. One of the ways it achieves this is with a zoomable user interface (ZUI). Instead of traditional time-oriented grid guides, the ZUI offers fully rendered three-dimensional spaces, similar to those of videogames, to offer engaging navigation and new kinds of interface representation.
All the complexity of design and updates required to maintain the service provider on
“What is probably the most challenging is to ensure that video Wi-Fi networks in the home are capable of distributing 4K content as it potentially requires 25Mbs of airtime for one stream,” says Cheevers. “This may make wired technologies like
G.Hn and MoCA more attractive for distribution of in-home content – but the goal is to develop a 4K Wi-Fi distribution solution capable of delivering the quality experience required for UHD.” With its Fresco interface, Cisco is asking us to expand our view of what television is and to think outside the traditional television box. Fresco proposes a future where content is displayed across multiple screens – or multiple types of content displayed on the same screen – with resolutions, aspect ratios and presentation styles entirely determined on-the-fly by the viewer. “We all take it for granted that we can resize and manipulate content effortlessly on a computer desktop,” said Cisco’s new initiatives director Simon Parnall at TVBEurope’s Beyond HD Masters conference. “The same should hold true for TV viewing.”
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