CalMAN AutoCal integrated with 2018 LG OLED and SUPER UHD TVs

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CalMAN AutoCal integrated with 2018 LG OLED and SUPER UHD TVs
CalMAN AutoCal integrated with 2018 LG OLED and SUPER UHD TVs
« on: Sun January 07, 2018, 07:34:58 PM »
"You simply connect CalMAN on your computer to the LG television using Wi-Fi or Ethernet, and then let CalMAN's AutoCal make your picture perfect", says Martin Fishman, Co-CEO of Portrait Displays, that owns Spectracal and its widely used calibration software CalMAN.

The softwaremaker, has partnered with LG Electronics, to provide auto calibration capability for the LG's 2018 OLED and SUPER UHD televisions that are being unveiled this week at CES in Las Vegas. Portrait and LG are demonstrating the auto calibration using a pre-release version of Portrait's flagship software CalMAN by SpectraCal.

The Autocalibration sopports standard dynamic range (SDR) as well as three varieties of high dynamic range (HDR): HDR10, HLG, and Dolby Vision. Not all three as Portrait states, as there are more distribution formats for HDR, Samsung's HDR10+, and Technicolor/Philips' Advanced HDR that are also standardised by SMPTE, at the same time as Dolby Vision. LG was the first TV maker to announce a deal with Technicolor, for support of the HDR format in its TVs at CES 2016. It doesn't support professional HDR formats like Slog3 as the TVs themselves do not support this, as they are TVs and not reference or production monitors.

However: "Because all 2018 LG OLED and SUPER UHD TVs allow direct CalMAN access to internal look-up tables (1D and 3D LUTs), the color accuracy can be so precise that the TVs can now match the video accuracy of professional reference monitors", Portrait claims.

LUTs in TVs we first saw in last year's Panasonic OLED TVs, the EZ950 and EZ1000. The 2018 versions to be presented at CES this week, the FZ950 and the FZ800 go even further, adding more 3D Look Up Tables the HCX processor can choose from, while analysing the pictures' brightness levels every 100 miliseconds. 2.5% and 5% brightness calibration points are now included. As the Panasonic EZ1000 is actually used in Hollywood, at Technicolor and DeLuxe facilities. A firmware update will add the new calibration and auto analysis and adjustment features to the EZ1000.

Whereas LG is still new to the game, and does not have the professional monitor legacy of Panasonic: "The LG TVs with CalMAN AutoCal blur the distinction between the professional reference monitor and the consumer television", said Martin Fishman, Co-CEO of Portrait Displays.

LG is the first manufacturer to allow CalMAN direct access to the underlying hardware look-up tables in the television. This allows for increased calibration flexibility and is not limited to the adjustment ranges of manual on screen calibration controls. They are also the first televisions to offer three-dimensional look-up tables (3D LUTs) as one of the CalMAN accessible tables. 3D LUTs allow correction of minute color variances. 3D LUT correction has long been the "gold standard" for video accuracy among video industry professionals.

"When you need a display to be extremely accurate, the usual solution is to add a 3D LUT box to the video chain", said Portrait's Technical Liaison Tyler Pruitt. "The 3D LUT box corrects minor nonlinearities that the display's controls alone won't correct", Pruitt explained. Image processors with 3D LUTs cost from hundreds to thousands of dollars, and are employed by home theater videophiles as well as studio industry professionals. However the more affordable units are only now beginning to support 4K resolution, instead of HD.

"With the 2018 LG premium televisions, the 3D LUTs are inside the television and available to CalMAN. This eliminates the need for an external LUT box," Pruitt said.

"The addition of the world's leading auto calibration software from Portrait Displays to our 2018 LG OLED and SUPER UHD TV models will greatly streamline the process for professional calibrators and ensure that consumers will be able to enjoy the full potential of their LG OLED or SUPER UHD television," said Neil Robinson, LG's Director of Technology Partnerships.

Auto calibration transforms a task that could require an hour or greater by a trained professional into one that can be performed in minutes, increasing the efficiency and effectiveness of the calibration.

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