What is HLG HDR, and do you need it in your new TV?

There are already so many types of HDR signals, so just what is Hybrid Log Gamma (HLG for short) and how is it different from other types of HDR? It may not be used much now, but that could soon change in a big way. The post What is HLG HDR, and do you need … Read moreWhat is HLG HDR, and do you need it in your new TV?