Why Old Screens Make A ᴴᶦᵍʰ ᴾᶦᵗᶜʰᵉᵈ Noise [Tom Scott] - General

[video=youtube;RA5UiLYWdbM]https://www.youtube.com/watch?v=RA5UiLYWdbM[/video] I couldn't hear what he was talking about in his previous video ([URL]https://www.youtube.com/watch?v=CINVwWHlzTY[/URL]) but I could hear the bit he added at the end of this one.

I go to the Centre for Computing History fairly regularly, there is a room next to made to look like a classroom this filled with BBC Micro's and their associated cub monitors (cube CRT screens). This main gallery is loud but oh my god going into the classroom absolutely kills my ears, as there are no other sounds happening in the room to distract your hearing from the high pitch squeaks. Glad the place is getting exposure on his channel though, if you're ever near Cambridge and got a day free go visit this place. It's really interesting, and the folks there have put so much time and love into the place to get it to where it is now :~)

Well that ended on a sad note. :(

Growing up I always could tell if a TV was on anywhere in the house, sometimes even from outside, because I was so sensitive to it. As I'm fast approaching 30, I still have ultra high frequency sensitivity, and the added bonus of tinnitus, that sounds like crt noise. I think it may only be bearable because I grew up attached to TVs and crt monitors and was just constantly bombarded with this sound anyways

[QUOTE=GHOST!!!!;52453654]Well that ended on a sad note. :([/QUOTE] I'm thirty next month, so I get his message pretty clearly. :frown: My realization was when I just couldn't play CSGO or Quake anymore. 15 year old snookypookums was greased lightning, fucking everyone's moms and getting all the frags. 29 year old snookypookums now dies 5 seconds into a round because he needed to really check and make sure if the person he was about to shoot was actually a) A person and b) The enemy. This split second pause to figure this out usually results in me getting murdered. Younger snookypookums may have been a sexless virgin, but goddamn did he have some fine motor control and skills. :frown:

[QUOTE=dai;52453675]Growing up I always could tell if a TV was on anywhere in the house, sometimes even from outside, because I was so sensitive to it. As I'm fast approaching 30, I still have ultra high frequency sensitivity, and the added bonus of tinnitus, that sounds like crt noise. I think it may only be bearable because I grew up attached to TVs and crt monitors and was just constantly bombarded with this sound anyways[/QUOTE] I'm 24 and have pretty bad tinnitus from a few too-loud concerts with no hearing protection. I have either lost my high frequency sensitivity altogether, or it's just drowned out in the rest of the background squealing. But I too remember being able to tell if the TV was on just by hearing the squeal. [QUOTE=snookypookums;52453698]I'm thirty next month, so I get his message pretty clearly. :frown: My realization was when I just couldn't play CSGO or Quake anymore. 15 year old snookypookums was greased lightning, fucking everyone's moms and getting all the frags. 29 year old snookypookums now dies 5 seconds into a round because he needed to really check and make sure if the person he was about to shoot was actually a) A person and b) The enemy. This split second pause to figure this out usually results in me getting murdered. Younger snookypookums may have been a sexless virgin, but goddamn did he have some fine motor control and skills. :frown:[/QUOTE] Yeah, I can't play games like CSGO anymore. I'm getting older, my reaction times are shit, and I'm old enough that I can't comfortably be part of a community that will still lambaste me for doing my best - as bad as that may be.

[QUOTE=Protocol7;52453713]I'm 24 and have pretty bad tinnitus from a few too-loud concerts with no hearing protection. I have either lost my high frequency sensitivity altogether, or it's just drowned out in the rest of the background squealing. But I too remember being able to tell if the TV was on just by hearing the squeal.[/QUOTE] I always thought it was super rare to be able to hear the sound. Nobody ever believed that I could "hear" a muted TV. One time my brother even had me sit in the other room while he turned the TV on and off and had me call out when it was on. It's like having the world's most disappointing super power.

Is no one going to mention the rick rolling morse code at the end made of the high pitched frequency?

[QUOTE=Humin;52453769]Is no one going to mention the rick rolling morse code at the end made of the high pitched frequency?[/QUOTE] I didn't hear it but the lady next to me did im an old fuck

This is now a great fear of mine, not for my hearing but for my vision. Last time I went to get an eye exam was in highschool because my mom was concerned I was staring at the computer too much. It turned out I had better than 20/20 vision and I was proud as fuck to have that kind of ability. Now I'm almost out of university and I notice that things in my left eye seem blurrier and I can't read things I at a distance I know I used to be able to see clearly at. Now I really am afraid that I've been staring at computers too long. Though I'm hoping its just that I just need to get into a proper sleep cycle and maybe change my diet.

I honestly cant tell the noise apart from my tinnitus

[QUOTE=Humin;52453769]Is no one going to mention the rick rolling morse code at the end made of the high pitched frequency?[/QUOTE] I forgot to ask someone to decode it, heard it clear as day despite listening on a train. a bit surprised it's hard to hear for some people, sounded intentionally grating so it'd be easier to hear

[QUOTE=Arc Nova;52453788]I didn't hear it but the lady next to me did im an old fuck[/QUOTE] i can't even hear it unless i turn my headphones up all the way. even then i can barely hear it

Just for fun I made a little video showing how this guy could have fixed his video in seconds with EQ, finding the frequency in question with a notch filter and just notched the frequency out. My video is being derp, so I'm just going to upload the audio. You can hear the differences, without the video you can't see me turning the EQ on and off but you can hear it. [media]https://soundcloud.com/redbadger/eq-1[/media]

[QUOTE=redBadger;52453980]Just for fun I made a little video showing how this guy could have fixed his video in seconds with EQ, finding the frequency in question with a notch filter and just notched the frequency out. My video is being derp, so I'm just going to upload the audio. You can hear the differences, without the video you can't see me turning the EQ on and off but you can hear it. [media]https://soundcloud.com/redbadger/eq-1[/media][/QUOTE] He did this with Adobe Audition. It's more of a band stop filter but who cares, it works.

[QUOTE=dai;52453928]I forgot to ask someone to decode it, heard it clear as day despite listening on a train. a bit surprised it's hard to hear for some people, sounded intentionally grating so it'd be easier to hear[/QUOTE] I can't hear it at all and I'm only 24. Was confused as hell why the comments were full of people going NEVER GONNA GIVE YOU UP

Great... thanks for reminding me that sound exists... I sometimes feel like [B]everything[/B] in my room makes similar sound: speaker amp, led light bulbs, wii power supply, synthesizer power supply, gpu when it's under heavy load, even my monitor if there is some sort of a table being displayed. I've learned to ignore it but sometimes I still hear it.

I notice coil whine in CRTs, but its not an issue once I get the sound going. In fact growing up I just considered part of the display turning itself on.

Guys please stop this thread is triggering my tinnitus and now I can't unhear it. Please send help.

Sort of reminds me of how I have visual static. Basically I pick up all the blemishes the brain usually filters out. Not too fun in the dark.

26 and still able to hear all those mosquito ringtones and the noise at the end of the video clearly, though the downside is I can also hear CFLs and some phone chargers from across the room and they're fucking infuriating sometimes

[QUOTE=redBadger;52453980]Just for fun I made a little video showing how this guy could have fixed his video in seconds with EQ, finding the frequency in question with a notch filter and just notched the frequency out. My video is being derp, so I'm just going to upload the audio. You can hear the differences, without the video you can't see me turning the EQ on and off but you can hear it. [media]https://soundcloud.com/redbadger/eq-1[/media][/QUOTE] That clip you play sounds identical to me all the way through, and I'm 24. But then, I've never been good at picking up high frequencies. I remember in 9th grade, around 13 years old, my science teacher had an oscilloscope or something brought in, and we did an experiment where everyone held their hands up until they couldn't hear the high pitches, and then again the low pitches. I was one of the first to drop with the high pitches, and the last to drop with the low pitches. So this doesn't really surprise me.

[QUOTE=Elstumpo;52454993]Sort of reminds me of how I have visual static. Basically I pick up all the blemishes the brain usually filters out. Not too fun in the dark.[/QUOTE] Holy shit that's a thing? I've always noticed it when I sleep, however mine has a very distinct pattern, swapping between white dots and red static. Strange On another note, why, despite having tinnitus, am I still woken up by the sound of a mosquito? Literally, WWIII could be happening right outside my house and I wouldn't wake up, but if I hear a mosquito it essentially destroys my sleep cycle.

[QUOTE=snookypookums;52453698]I'm thirty next month, so I get his message pretty clearly. :frown: My realization was when I just couldn't play CSGO or Quake anymore. 15 year old snookypookums was greased lightning, fucking everyone's moms and getting all the frags. 29 year old snookypookums now dies 5 seconds into a round because he needed to really check and make sure if the person he was about to shoot was actually a) A person and b) The enemy. This split second pause to figure this out usually results in me getting murdered. Younger snookypookums may have been a sexless virgin, but goddamn did he have some fine motor control and skills. :frown:[/QUOTE] I'm lucky the game that I love will allow me to play it as my reaction and senses atrophy. My biggest worry are other people still being alive to play it by then, which is a whole other issue.

24 and I can't hear over 11khz thanks to being born with gaping holes in my eardrums. I've got the hearing quality of an 80 year old, never been able to hear mosquito tones or coil whines, so I guess I live in a world of arrogant bliss where I can go around playing these sounds on speakers that go to 11 without a care in the world. :v:

Wow, I can't hear it. I was sure I'd be able to hear it. [editline]10th July 2017[/editline] Shit, according to this: [video=youtube;H-iCZElJ8m0]https://www.youtube.com/watch?v=H-iCZElJ8m0[/video] I can't hear anything past 15600Hz

Right around 15400Hz for me.

I'm lucky then because i heard all of the video and i'm the guy who makes music on the loudest possible volume sometimes.

[QUOTE=chunkymonkey;52455564]Wow, I can't hear it. I was sure I'd be able to hear it. [editline]10th July 2017[/editline] Shit, according to this: [video=youtube;H-iCZElJ8m0]https://www.youtube.com/watch?v=H-iCZElJ8m0[/video] I can't hear anything past 15600Hz[/QUOTE] I'm 24 and I lost it at 17000 but boy does my head still hurt.

It is part of my job to service CRT sets. I'm far less useful for the task if I am unable to hear high voltage coil whine.