HPA Tech Retreat: Managing Images for Consumer Displays

In August last year, Sony debuted a brand new line-up of Bravia Master Series 4K TVs, featuring the Netflix Calibration Mode, a setting that would match streaming Ultra HD 4K HDR content produced by Netflix to the TV’s display characteristics. At the HPA Tech Retreat, International Cinematographers Guild technologist Michael Chambliss moderated a discussion on this proprietary feature — only available on Sony TVs for Netflix content — with participants from Netflix, the UHD Alliance and ICG. Continue reading HPA Tech Retreat: Managing Images for Consumer Displays

HPA Tech Retreat: A Look at HDR & the Ambient Light Issue

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