As expected, this year’s NAB has been a UHD centric event, preparing broadcasters for delivery of major upcoming events, namely the 2018 World Cup and Tokyo 2020 Olympics, in what will be a make or break couple of years for many broadcasters and indeed the future of the UHD format, which has promised so much, yet driving bodies have struggled to ignite engagement. In the same week the Ultra HD Forum rolled out its Phase B guidelines for UHD and HDR formats, US security firm Verimatrix scooped up a major contract upgrade at Taiwan’s Chunghwa Telecom for UHD content, while encoding expert Harmonic nailed a UHD deployment in Japan. To UHD Phase B first of all, laying out guidelines for…