TECHNOLOGY
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What is HDR? Let’s remember what is HDR. The acronym means High Dynamic Range and it refers to the luminosity of the image. An SDR image, Standard Dynamic Range, is the image we have been acquiring and representing in our TVs since the beginning of the colour TVs so far. When talking about live transmission HDR obliges to go from 8-bit signals to 10-bit in order to represent the 64 DECEMBER ‘18
luminosity. Something similar happens when file-based workflows, different formats and tools are needed. Consider that here we are not talking about the definition, this is another discussion, but a lot of professionals and consumers prefer HD-HDR images than 4kSDR ones and that’s why to understand what the implications are on working on HDR is so important.