Sony Pictures chief technology officer Don Eklund presented a look at HDR bias light analysis. Put plainly, the colorist grades the content in a dark room, with the light behind the screen rated at between 5 and 10 nits. But the average viewer watches that same content in a room with windows and lights. “We have a fundamental problem everyone here has experienced, with light leaking in the room through drapes,” said Eklund. “It crushes the blacks and offers colors that were not intended when the images were graded.” Continue reading HPA Tech Retreat: A Look at HDR & the Ambient Light Issue

According to David Wood, chairman of the International Telecommunication Union group working to recommend a global blueprint for UHD, high dynamic range (HDR) technology “may well be an important feature of Ultra HDTV in future years, though the jury is still out, and will take some months to reach a verdict.” The group is currently considering HDR as an addition to UHD, and is looking at format proposals from companies including Dolby, Philips, Technicolor and the BBC. Continue reading ITU Group is Testing High Dynamic Range Format Proposals