https://www.techradar.com/news/hybrid-log-gamma-what-you-need-to-know-about-hlg

What is Hybrid Log Gamma, and why should you care?

Today's television market is more lively than ever, but that means there are always new formats and technologies vying for your attention. That's especially true when it comes to HDR (High Dynamic Range): a video format that enhances the brightness, sharpness, and color gamut of an image beyond SDR (Standard Dynamic Range).