The second in our series on UHD development by Philip Hunter The masterclass run by the Ultra HD Forum at IBC 2017 in Amsterdam this month was supposed to set the stage for the roll out of the latest Phase B specifications over the next five years, with the understanding that most broadcasters and operators will be preoccupied with Phase A for almost the first half of this period. In almost the same breath the Forum was indicating ever closer cooperation with the UHD Alliance was needed to ensure full interoperability from camera to TV and delivery of the best experience possible. There is little point, after all, optimizing the infrastructure for phase B if the viewing devices are unable…