AEQ LM9000 Series
Ultra High Definition Monitors
The AEQ LM9000 Series UHD Monitors with broadcast features based on a quadruple 10-bit processor. The available Monitor sizes are 55” (3840 x 2160), 31″ (4096 x 2160) and 24″ (3840 x 2160).
High performing monitor that supports the reproduction of 4K video signals in Single and Quad-Link, both in “Square division” and “2-sample interleave” formats.
HDR technology, incorporated in these monitors, makes them able to display every part of the image, either dark or bright areas, with high brightness and clarity, enhancing image contrast and realism perception.
Monitor colour calibration by connection to a colour probe and Lightillusion control software version specifically designed for Kroma. This calibration generates a 3D look-up-table which is exclusive for each monitor, in order to correct non-linearity produced during the manufacturing process of each screen.
OUR 4K MONITORS NOW FEATURES HDR (HIGH DYNAMIC RANGE) PROCESSING. THIS TECHNOLOGY IS AVAILABLE IN THE SERIES-LM9000 KROMA BY AEQ MONITORS. Before 2014, a 4K video signal simply doubled Full-HD’s horizontal and vertical resolution. Then several proposals were made to offer not only more, but also better pixels, displaying higher quality images by means of enhanced brightness, higher contrast and many more different possible colours. In order to be able to represent a greater number of colours, it is necessary to increase the number of bits used to produce images. Changing from 8 to 10 bits to represent each RGB value has made it possible to multiply by 64 the number of different available colours. In order to enhance brightness and contrast, HDR (High Dynamic Range) technology was developed. It consists of a new video signal processing aimed to increase the dynamic range of the darkest and brightest areas of the picture. This processing is based on the fact that, when there is little light, the human eye can distinguish small light increments, while it needs larger differences when illumination is higher. The Barten ramp, depicted in figure 1, shows this human eye’s behaviour. According to this, it turns out that fewer bits can be assigned to high brightness values while a larger number of them are assigned to low brightness values. HDR is able to make pictures displayed on the screen look closer to what we see in real life. There are two possible ways to implement HDR, named PQ and HLG. PQ (Perceptual Quantization SMPTE ST.2084) is a standard defining the brightness level that a monitor should display. It established an electro-optical transfer function (EOTF) where each digital word is assigned a brightness value. It uses static meta-data (according to SMPTE ST.2086) whenever their contents don’t change during the length of the video clip, or dynamic meta-data (SMPTE ST.2094) when contents can change, indicating the maximum and minimum brightness values for each frame as well as for the entire contents.
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