Is Gamma Still Needed?: Part 7 - HLG And PQ December 21st 2020 - 09:00 AM
The legacy gamma adopted in 709 and 240M has recently been supplanted by two more approaches to applying non-linearity to luminance, namely the Hybrid Log Gamma (HLG) system developed by the BBC and NHK and the Perceptive Quantizer (PQ) developed by Dolby.