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There's no doubt that TV makers are excited about 4K television. The sets, which offer four times the detail of today's high-definition sets, are appearing in increasing numbers and consumers too seem convinced by the technology, which must be a relief to the industry after the cool reception that 3D TV got a few years ago.
The most obvious barrier to wider 4K adoption is price—the sets cost thousands of dollars more than high-definition TVs—but it's not the only problem. Among the cables and interfaces on the back of the new TV is an equally important problem: how to get 4K content into the TV sets.
At this week's IFA consumer electronics show in Berlin, TV and video equipment makers are showing prototypes of several new technologies that will bring 4K content into the home and transport it between devices.
Martyn WilliamsOne of the many 4K sets unveiled at this year's IFA using the HEVC codec.
Passing the main tech hurdles
One of the biggest steps was the launch of HDMI 2.0, a new version of the "high-definition multimedia interface" standard that is the de-facto method of sending HD video between devices.
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