I know if you connect your mac to a monitor with HDMI cable, the monitor will be identified as TV so Mac won't output RGB color signals instead using YCbCr which reduce the image quality by subsampling chroma 4:2:2 or lower.
However, what if you do connect your mac to a real TV? Mine is LG 4k TV which support deep color and chroma 4:4:4 subsampling. However my mac identify it as a TV (which is correct). So I guess mac is doing YCbCr color space again?
Where to check if mac is outputing RGB mode or YCbCr? Or we have to guess?
And I did what the internet told us to do: force RGB mode by using a patch-edid.rb script, then move it to /System/Library/Displays/Contents/Resources/Overrides. But it won't work, the system still shows its a TV. I guess there is no way to force RGB mode with a TV?
Thoughts? Thanks.
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Just posted a RBG testing image.
The red and blue lines are fuzzy than other lines. But I don't know if this is due to RGB mode not being properly displayed or just the way LG low-end TVs deal with pixels. You know some LG IPS panels use different sub-pixel arrangement (I don't know for sure) which could cause some color not being as good as others).
However, what if you do connect your mac to a real TV? Mine is LG 4k TV which support deep color and chroma 4:4:4 subsampling. However my mac identify it as a TV (which is correct). So I guess mac is doing YCbCr color space again?
Where to check if mac is outputing RGB mode or YCbCr? Or we have to guess?
And I did what the internet told us to do: force RGB mode by using a patch-edid.rb script, then move it to /System/Library/Displays/Contents/Resources/Overrides. But it won't work, the system still shows its a TV. I guess there is no way to force RGB mode with a TV?
Thoughts? Thanks.
----------------------------------------------------------------------------------------------------
Just posted a RBG testing image.
The red and blue lines are fuzzy than other lines. But I don't know if this is due to RGB mode not being properly displayed or just the way LG low-end TVs deal with pixels. You know some LG IPS panels use different sub-pixel arrangement (I don't know for sure) which could cause some color not being as good as others).
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