hdrtosdrgamma

2021年12月3日—TheHDRtoSDRconversiondoneforWindows'StreamHDRfunctionisIncorrect.InsteadofconvertingPQEOTFtosRGBgamma(thedefault.,Thehybridlog–gamma(HLG)transferfunctionisatransferfunctionjointlydevelopedbytheBBCandNHKforhighdynamicrange(HDR)display.,TransformWindows11'svirtualSDR-in-HDRcurvefrompiecewisesRGBtoGamma2.2.Jumptodownloads.Windows11hasmadestridesinstreamliningtheHDR ...,2023年5月9日—...

參考資訊如下
HDR to SDR Tone Mapping is Incorrect

2021年12月3日 — The HDR to SDR conversion done for Windows' Stream HDR function is Incorrect. Instead of converting PQ EOTF to sRGB gamma (the default.

Hybrid log

The hybrid log–gamma (HLG) transfer function is a transfer function jointly developed by the BBC and NHK for high dynamic range (HDR) display.

Transform Windows 11's virtual SDR-in

Transform Windows 11's virtual SDR-in-HDR curve from piecewise sRGB to Gamma 2.2. Jump to downloads. Windows 11 has made strides in streamlining the HDR ...

HDR转SDR实践之旅(七)Gamma、HLG、PQ公式详解

2023年5月9日 — 注意50%HLG和75%HLG的公式没变，r还是0.5，只是100%SDR对应的亮度发生了变化，50%HLG的100%SDR所对应亮度是100nit，75%HLG的100%SDR所对应亮度是203nit。

The Ins and Outs of HDR ― Gamma Curves

On the other hand, the HLG gamma curve is intended to allow for display on existing SDR TVs without looking out-of-place, and is most suitable for broadcast TV ...

你真的瞭解HDR 嗎？想徹底瞭解HDR 嗎？

2022年12月8日 — 遠遠超過SDR觀賞的要求，這確實意味著需使用一個真正的家庭劇院環境。 或者，PQ EOTF（Gamma）必須被刻意“打破”， ...

Windows 1110 HDR Gamma?

2021年10月18日 — The gamma curve for the SDR portion in HDR mode looks a lot like 2.2, rather than a more modern 2.4/BT1886. I don't suppose there's any way to ...

HLG：廣播與攝錄用HDR 格式新舊混合兼容SDR

2019年12月30日 — HLG 的全寫就是Hybrid Log-Gamma，望落好似九唔搭八，唔知同HDR 有咩關係，其實只要分開來解讀就大概知道實際意思甚至運作原理：. Hybrid：混合; Gamma： ...