The comparison between CRT and digital is not as simple as “625 vs 4k”. Those analog signals were intended for a triangular subpixel shadow mask with no concept of horizontal pixel count, making them effectively into ∞×625i@50fps signals (1), compared to the digital fixed 3840×2160@60fps square pixels regardless of subpixel arrangement.
It takes about a 6x6 square pixel block to correctly represent a triangular subpixel mask, making 4K LCDs about the minimum required to properly view those 625i@50fps signals.
(1) I’m aware of optics limitations, CoC, quantum effects, and ground TV carrier band limitations, but still.
The comparison between CRT and digital is not as simple as “625 vs 4k”. Those analog signals were intended for a triangular subpixel shadow mask with no concept of horizontal pixel count, making them effectively into ∞×625i@50fps signals (1), compared to the digital fixed 3840×2160@60fps square pixels regardless of subpixel arrangement.
It takes about a 6x6 square pixel block to correctly represent a triangular subpixel mask, making 4K LCDs about the minimum required to properly view those 625i@50fps signals.
(1) I’m aware of optics limitations, CoC, quantum effects, and ground TV carrier band limitations, but still.
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