capitalizing "GUN" as though it mattered looked rather like hoplophobia
It's the dunk tank.
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In their defense, that person is saying the stupidest shit imaginable.
Literally no one cared about going 240+hz before digital display signaling because crts weren’t showing you an image that flickered 30-80 times a second, they were showing you one that flowed between frames at a rate of 30-80 times a second.
Analog raster signaling on a crt (say, yellow wire to your childhood bedroom tv) works by drawing enough lines to fill the screen, doing whatever you need to do after, doing whatever you need to do before, then repeating the process. You don’t draw the lines as fast as you can, wait however many microseconds it takes to get to the next frame then repeat because theres parts of the signal that aren’t drawn and you’re driving an electron gun, the analog raster signal is what would be used (at different voltages) to feed into the electron gun to make the visible image.
There’s no need to hurry up and draw the image then wait till the next frame because the signal to display isn’t there yet and if it were it would mean you’re running the display and source at different speeds (a sync rate mismatch).
Packetized digital signaling on a flat panel display(say, hdmi to your 50”) on the other hand, sends all the data for part of an image to be shown to the display, which then draws it as fast as it can and waits for the next one. It can do this because rather than sweeping an electron beam across the back of the screen to make phosphors emit photons, it either opens or closes tiny shutters in front of a big light source or turns on and off many tiny light sources. That operation can be (and must be, with digital packetized signalling) done independently of the frame rate that’s being transmitted. Because it’s much faster to open or close millions of tiny shutters or switch on and off millions of tiny light sources, whole frames appear relatively instantaneously as opposed to flowing one into another.
The effect (which you can observe by pointing a high speed camera at both types of display/signal combination and “tuning the speed to see it) is one of a smoother transition on the analog raster crt and a strobe light with varying dwell time on the digital flat panel.
Tldr; flat panels use the same technology that is deployed at shows to disorient and distort your perception, CRTs use the same technology that they put in neonatal wards to calm babies.
I most certainly used a wrong term somewhere, but here’s a caveat: what if you plug your Nintendo yellow wire into the 50” or if you were lucky enough to have a crt with dvi-d or hdmi input back in the day?
For the Nintendo to 50”, it uses a frame buffer. The tv stores incoming lines in a buffer until there’s enough of em to make a frame, then it reads em out and uses different ways of mangling the frame to fit it to the native resolution and turns on and off the shutters or light sources. This is one of the reasons that some old game people complain about panel lag, there’s others, but that’s one.
When you jam hdmi into your cutting edge late game crt, the same thing happens but in reverse. The signal comes in as a frame and the tv mangles it to make it into an analog raster signal it can feed into an electron gun and then does its thing. This also ads delay!