A device that cannot decode FEL and if the brightness is expanded, the result will be wrong (much darker). FEL can also improve grain and details: https://slow.pics/c/XUsLMdXY
see:
https://www.youtube.com/watch?v=VObky4peBXE
https://www.youtube.com/watch?v=S0J0blslHjY
https://www.youtube.com/watch?v=nT1qBQLZIIc
you can also see it for yourself on Windows with the ''Energy player'' or in DV on your TV with the Minion rise of gru samples in my pattern GD link.

