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Anon reflects on e-sports
(sh.itjust.works)
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this post was submitted on 16 Jun 2024
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People did care, which is why people who played games competitively continued to use CRT monitors well into the crappy LCD days.
Heck, some people still use CRTs. There's not too much wrong with them other than being big, heavy, and not being able to display 4k or typically beeing only 4:3.
Idk if it's just me but I have pretty good hearing, so I can hear the high pitch tone CRTs make and it drives me crazy.
This only happens with TVs or very low quality monitors. The flyback transformer vibrates at a frequency of ~15.7k Hz which is audible to the human ear. However, most PC CRT monitors have a flyback transformer that vibrates at ~32k Hz, which is beyond the human hearing range. So if you are hearing the high frequency noise some CRTs make, it is most likely not coming from a PC monitor.
Its a sound thats a part of the experience, and your brain tunes it out pretty quickly after repeated exposure to it. If the TV is playing sound such as game audio or music it becomes almost undetectable. Unless there is a problem with the flyback transformer circuit, which causes the volume to be higher than its supposed to be.
There is not one crt I ever encountered that I couldn't hear. So I'm having trouble believing you information.
I could time it out most of the time, but it was always there.
https://en.m.wikipedia.org/wiki/Flyback_transformer
Under "Operation and Usage":
If you are hearing the sound, its either a TV or a very low quality monitor. Human hearing in perfect lab conditions can only go up to about 28kHz, and anything higher is not able to be heard by the human ear.
Either that or you're a mutant with super ears and the US military will definitely be looking for you to experiment on.
I’ll defend this guy: there can easily be a harmonic at half the flyback frequency that is audible. It’s lower amplitude so less loud, but I could believe someone being able to hear that.
Yes, as I previously stated, if there is a problem with the flyback transformer circuit, it is possible that the frequency or volume of the noise it generates can become increased or different.
Though again, PC monitors never made an audible noise unless they were low quality and used the cheaper 15.7kHz transformer in their construction.
Other noises associated with CRTs are the degaussing noise, which only happens once usually after turning on the CRT or after pressing the degauss button, or the sound of old IDE hard disks spinning, which also make a constant high frequency noise.
Not sure you follow: even if the primary frequency is out of range, a harmonic (half the frequency, quarter the frequency, etc) can simultaneously exist with the primary.
I suppose its possible with a low quality CRT that has poor construction, leaving loose parts or thin plastic fins that can vibrate at harmonics of a lower frequency, but high quality CRTs don't have this issue.
Extra or louder noise does not occur in normal operation of a correctly functioning flyback transformer circuit. Any frequency or harmonic (vibration) that occurs that is not the specified frequency of operation of the flyback transformer is caused by a problem in the circuit. A brand new CRT with known good parts will not have any kind of extra harmonic.
I had to replace a flyback transformer because it was too loud, and it was a pretty simple job. Hardest part was finding a new flyback transformer. After replacement, the noise volume was reduced to normal levels.
Please don't tell them about me.
Your secret is safe with me.
On a side note, I can also hear when a capacitor is going bad on an lcd when other people around me cant hear it.
It could be something else in the crts I'm hearing, but I can definitely tell one is on without seeing it. It's been like this since the 70s for me.
I can also smell and taste things other people can't, so something is a little different in my brain somehow.
My partner and daughter tell me I have super powers lol. Guess who gets to smell meat for rot? Not them! Bleh.
You’re not alone, I can hear CRTs, bad capacitors and an array of other electrical appliances.
I can still hear the high frequencies that only teenagers and your kids are meant to be able to hear.
I could hear them too, when I was younger. I lost that frequency range of my hearing in my mid-to-late 20's, which I've read is normal.
Oh neat, thanks for the explanation! That makes sense as most of my crt exposure for the past 10 years has been classroom TVs and museum exhibits.
the solution is to be in your mid-30s
Unless you have tinnitus.
Then you're possibly going to hear it very frequently.
you could say in a...
high frequency
https://youtu.be/7uW47jWLMiY
eeeeeeeeeeeeeeeeeeeeeeee
and here i'd been blissfully unaware of it for days now. damn you all.
(wear earplugs to concerts kids, especially if you're playing)
Ditto, lcd's were a godsend.
eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee
(me too)
For me it was the refresh. If a CRT was at 60Hz, I could see it flashing when I wasn't looking directly at it. I had to have it set to at least 75 Hz (>80 Hz preferably) or it would give me a headache.
This and the scanlines actually make it feel so weird to look at for me, I hate crts with a passion