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Anyone with a C9 experience severe black crush or blocking with dark scenes?


From what I can tell it’s related to compression issues with streamed content.


I have NBN50 and an Apple TV 4K and would have thought this wouldn’t be such a problem. 

Anyone experience this? Have some helpful TV settings to combat the issue?

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Posted (edited)

Changing the ATV’s default setting to 4K SDR and enabling content matching seems to have solved this.

It didn’t occur to me at the time but it seems the issue was due to the ATV blowing out the blacks in SDR footage by upscaling to HDR / DV

Now SDR plays in SDR and HDR / DV in HDR / DV etc. 

Edited by Wood
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  • 4 weeks later...

I have an LD OLED B7 and never really experienced the issues until I got burn in and LG replaced the panel (2.5 years on and out of Warranty - very impressed with LG) but I just sent them an email saying I'm having big issues with near black/greys that I was not before with the replacement panel.  :(


Hopefully its something they can resolve. Moved my STB to my 10 year Samsung and it smashes it.


Glad you fixed yours though.

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