![]() ![]() ![]() In order to meet all of our requirements, HLG was designed to be a scene-referred system, just like conventional television. This led us, and NHK who shared many of our concerns, to invent the Hybrid Log-Gamma (HLG) system for HDR. Finally we wanted an approach that was compatible with our current 10 bit infrastructure and only needed changes to the cameras and critical monitoring displays. We also wanted the captured signal to be display-independent because a wide range of different displays and lighting conditions are used both in production environments and in the home. We concluded that any approach couldn't rely on end-to-end metadata as metadata often gets lost or becomes out-of-sync with the content as it passes through the production chain and that standard presentation techniques such as mixing video sources become overly complex with metadata. We started to investigate how HDR could fit into a typical broadcast infrastructure such as ours. Our production and broadcast activities are spread over a number of sites, each at different points in their equipment replacement cycle. Having seen some fantastic HDR demonstrations we wanted to understand how our viewers could benefit from HDR in the future.īroadcast television, and particularly live television, has a very complex content workflow. BBC R&D - High Dynamic Range in Live TV Production - 2019 FA Cup TrialsīBC R&D - World Cup 2018 in UHD HDR on BBC iPlayerīBC R&D - How to Adjust Your TV to Enjoy the Best Picture Quality in HDRĬonsumer television displays are getting brighter and capable of presenting stunning UHD images which are almost like looking through a window on to a scene.
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