Screenshots or it is a lie 
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No no seriously, I love this result, it doesn’t do anything about the ambient preset, the result is too good to miss. I’ll immediately show you a screenshot of Mario World where I encountered the problem.
Basically you need to copy any parameter in the ambient light, bezel and background image sections to the preset you want to be ‘immersive’. (I hope to not forget anything)
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I’ll look into this; meanwhile, you can start to enable “Phase shift” to mitigate a bit.
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Starting from the Monitor_FXAA_Sharp_Core_SlotMask preset and changing only the SharpX value to - 065
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I find it perfect, I think I created the smooth version of your Monitor_FXAA preset. Of course you are the creator and master, let me know what you think
Looks good!
You can manually copy the mask (low level phosphorgrid parameters) from the ntsc preset that gives bad artifacts on the letters. maybe it has a nicer mask, your choice!
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In summary, in my opinion by setting your preset “Monitor_FXAA_Sharp_Core_SlotMask” and changing the value “Sharp X : - 0.65” you practically get the smooth version of your preset. And with this I can emulate the whole world with the results I want, you basically took me to heaven. If you could find a way to mitigate the effects of your “TV_FXAA_NTSC_Selective” preset on Super Nintendo games I personally wouldn’t ask anything else, I’d be set for life really. It would be the icing on the cake, at least I would also have a shader that emulates Vintage TVs with what comes from it. In the meantime, I’ll show you a screen shot of my smooth variant. Thank you very much, they should name streets and squares here in Italy with tour name.
I love that I can choose between Sharp and smooth.
Smooth
Sharp
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Of course, and I close, I know I’m worn out but it’s the enthusiasm that your incredible work causes me, if you have your own settings to create your own “Monitor_FXAA_Smooth” preset and publish it it would be fantastic to try. In the meantime I’m enjoying these shaders, thanks again.
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About to merge this; artifacts do not spread anymore and are diagonally shifted along the y axis now:
Tv-NTSC_Generic-FXAA_sharp-Selective.slangp
–EDIT
Will be up in minutes.
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Show !!! Thank you so much for your spectacular work!
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Perfect indeed, now I can choose the “old TV” style for all content with your two NTSC FXAA presets. Perfect and thank you.
I have one last request to make, when and if possible, it would make me even happier. Please, could you create a Smooth variant of your FXAA monitor preset in the future? I like having more options, I love how these presets turned out, and you’d be better at finding the right visual balance than me. In the meantime I have tried both your Presto TV -ntsc-fxaa and they are perfect. A thousand thanks.
I understand, but I’d prefer to not pollute preset list for simple variations like blur settings.
Just make your own, just slide 2 parameters 
Ah, as a side note, i’m going to lower input gain from 1.60 to 1.40 on those 2 presets, since they seem to clip a bit.
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I understand, besides the Sharp-X what value did you mean as a “switch” to increase the image blur on that preset? Thanks and I’ll immediately try to do other experiments, maybe then I’ll share the results here for a more authoritative opinion. P.S. by putting that value at + 1.00 I still get a result of blur, something that referred to the gauss. Could you help me understand this mechanism better? Thank you
There is docs-ng.md in the shader directory with extensive documentation i keep updated:
Sharpness (horizontal, vertical):
Modulates the sharpness of the image.
- Max (actually 7.0) will not alter the image sharpness.
- More than 0: will use gauss blur
- Less than 0: will use box blur and will progressively
add visual sharpness to image when approaching lower values.
I just made it cleared.
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I’m making a lot of attempts but I can’t find a valid visual solution and I don’t want to break your work. Maybe I’m starting to believe that since FXAA already does a job of blending the pixels, looking for a smooth effect breaks a certain balance. I’ll leave it as it is already perfect, however there are your TV presets and after the modification you made they are perfect. Thank you so much always for what you do
