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260 Comments
- elnerdo, on 10/12/2007, -1/+65Remember, some people's sound cards won't play sounds that are too high pitched.
- inactive, on 10/12/2007, -4/+54You should join MySpace and drown your sorrows in a blog...
- burke, on 10/12/2007, -1/+47You can hear them all, but most of what you hear is the background noise and harmonics, not the peak. Start at 14000 and work your way up. When all of a sudden the pitch seems to drop, you've gone too far. I can hear 17KHz, but not 18KHz.
- quadvods, on 10/12/2007, -0/+40This flash based one seems a bit more extensive:
http://www.phys.unsw.edu.au/~jw/hearing.html - inactive, on 10/12/2007, -1/+28My poor poor sugar gliders!!!
was testing the sounds during daylight (which any sugar glider owner knows is sleep time for them) arround 18k i started hearing stuff in the other room, at 19k they went ape *****, hence when i realized it was them making the noise and not 'the wind' apparently at 18k its enough to wake em up and make them 'investigate the noise' at 19k it drives em insane. I could just barely hear 19k, but unfortuntly... i cant test 20k, cause the lil buggers in the other room. - stmiller, on 10/12/2007, -0/+19The real question is, what frequencies can your speakers produce? If you can't hear the higher frequencies on your computer, chances are your speakers aren't producing those high sounds.
- 7IM80, on 10/12/2007, -6/+25I can hear all of them gimme 23khz!!
- evangelion01, on 10/12/2007, -2/+18all i can hear is 18,000Hz 19,000 is a no no and i'm only 18yo :( damn you ipod!
- KatBox, on 10/12/2007, -0/+15At 45 I can clearly hear up to 17khz, I can however *feel* 18khz - it must be just outside my range...
(for some reason I felt like barking...) - tlmac59, on 10/12/2007, -4/+17I don't want to talk about it.
- rasterbator, on 10/12/2007, -3/+16i can't hear any of them. oh, crap! i'm deaf!
- burke, on 10/12/2007, -1/+12I think it would be interesting to represent peoples' hearing range mathematically as a function of age. I'm going to go see if I can find enough data to model it.
- gparkla, on 10/12/2007, -0/+10Human beings are only capable of hearing 20Hz to 20KHz, the article is right. In some rare occasions people can hear 21 but never more. If you think you hear something you're most likely hearing ambient noise and not the actual tone. In fact the average person can't hear above 18KHz. I'm an audio engineer and I can't hear about 19 - thats considered good for someone who has been exposed to alot of noise.
- DaMacGamer, on 10/12/2007, -1/+11in the "brown note" episode of myth busters they said that the average human being can only hear up to 20000.
- inactive, on 10/12/2007, -2/+1220K here, anything else is just static...
- odyss3y, on 10/12/2007, -2/+11"no highs, no lows, must be bose"
- phucku2, on 10/12/2007, -2/+11You old fowgies are going deaf becuase you listened to too much Deep Purple in your youth. At 38 I can hear lots of high pitched sounds, all the time, even when I cover my ears!
- camiller, on 10/12/2007, -0/+9Ouch. At 40 I can only hear 13kHz and lower. I'm going to have to get a hearing test by a pro one of these days.
- psobot, on 10/12/2007, -1/+9I'm 14 (and a heavy metal drummer that started wearing earplugs 2 years ago) and I can barely hear 16,000. Not good.
- burke, on 10/12/2007, -0/+720kHz is the listed limit of many audio products.
- inactive, on 10/12/2007, -2/+9Dang. I think I need to go get some of the anti-aging molecules and stick them in my ears!
http://digg.com/science/Anti-Aging_Molecule_Discovered - uptown, on 10/12/2007, -0/+7...meanwhile the collective population of digg readers' dogs are wincing in pain.
- Amishplumber, on 10/12/2007, -0/+6Ya, I'm only 14 too and can only hear through 17,000, and I don't even play any instrument at all.
- SkeletaLlama, on 10/12/2007, -0/+6I think I'm really deaf for high pitches. I can only hear up to 13 but only with headphones. I can't hear any on my laptop speakers but but brother can. It's weird.
But I've been doing a lot of work in a metal shop over the last 6 months and I'm sure I've damaged my hearing while grinding and drilling steel. - Quactaur, on 10/12/2007, -2/+8Much better hearing test here:
http://www.phys.unsw.edu.au/~jw/hearing.html
Let's you pick loudness and pitch, though only up to 16khz. I need some headphones or better speakers, they start hissing at about 18Khz. - doppler00, on 10/12/2007, -1/+6This test is completely flawed because:
-The files are lossey MP3 files.
-It's not possible to generate the given sine wave tones on a PC sound card. At 44Khz, you cannot generate a sine function properly. Just open the audio data in any editor and you'll see it's not even close to being a smooth waveform. You could try generating a 96KHz file, but it's hard to find the right tools to do that on your PC. I tried it once with Audacity with poor results.
If you REALLY want to do this test right, build yourself a small sine wave generator and plug a speaker into it. - rekrapt, on 10/12/2007, -0/+541 years, 19K.
- rekrapt, on 10/12/2007, -0/+5What? Did you say something?
- alphacorvus, on 10/12/2007, -0/+5Don't put too much stock into this test unless you have very good speakers and audio equipment (and by very good, I don't necessarily mean a $100 set of PC speakers). While some speakers are rated to get up to 20khz, most are likely not flat up to that point - meaning that the speaker can't reproduce all the audible frequencies at the same volume. I'd be willing to bet that most speakers start rolling off before they hit 20khz, so if you can't hear it or it is considerably quieter it may be a combination of you and/or your speakers.
- zweben, on 10/12/2007, -1/+6I'd like to see that too.
If you post it with good data, I find it likely it'll hit the front page. - apotropaic, on 10/12/2007, -0/+5Yep... I believe above 17khz has to be boosted so much that it complete distorts the sound and makes the tweeter produce clipping noise...even with nice sound card and studio monitors.
- Dorkbot101, on 07/15/2009, -0/+4yeah, you can calculate what the frequency of a TV is..
for the NTSC standard (america) you'll have a 60hz TV Refresh rate * 525 lines of resolution / 2
= 15.75khz
which isn't very high at all, which is why many people can claim to 'hear the hum of a tv' - dantidote, on 10/12/2007, -1/+5i'm 17, i can hear 19kHz, but damn its a really annoying noise
- NanoStuff, on 10/12/2007, -0/+4The reason you can hear what you believe to be 20,000Hz is because these so called "high end" bose speakers are create a high level of harmonic distortion at those frequencies; what you're hearing is not 20,000Hz at all. I suggest a better set of speakers, which TBH is just about anything.
- NanoStuff, on 10/12/2007, -0/+4http://www.occupationalhearingloss.com/presbycusis_calculator.htm
- mrASSMAN, on 10/12/2007, -0/+4USE HEADPHONES -
"For best results you will need reasonably good quality headphones that enclose your ears completely and seal out external noises. Ordinary loudspeakers, and especially the small ones that come with computers, have such poor response, particularly at low frequency and are so much affected by interference effects and resonances that results obtained with them are useless." - Computer_Kid, on 10/12/2007, -1/+5I'm 17 and I cant hear past 14,000
- inactive, on 10/12/2007, -1/+5Anyone have some frequencies emitted by televisions? I have always had a knack for detecting a TV being on.
- NanoStuff, on 10/12/2007, -0/+3Actually not quite. Human frequency response is not linear. After you plot you have to compensate with a fletcher munson curve to determine hearing loss. Also consider that a speaker/headphone's frequency response will likely greatly deviate your results... unless you have very accurate speakers/headphones.
And then there's the issue of the transfer function to the ear through stereo speakers, which will further deviate the results... you really should use headphones to at least hope for a reasonable degree of accuracy. - jguy584, on 10/12/2007, -0/+3Also note that most speakers are only capable of going up to 20kHz, mostly because what reason to go any higher if most humans cant hear it?
- kendawg, on 10/12/2007, -0/+3yeah...most speakers are only good up to 20k. you MIGHT be able to hear higher.
- sblowes, on 10/12/2007, -1/+4Things to remember:
- Your speakers/headphones may not be able to reproduce the higher frequency sounds, also it may not be good for your speakers.
- BOSE speakers create virtual sounds that don't really exist by reproducing the harmonics that trick your brain in to hearing what's not really there (you can see this on an oscilliscope.)
- The Cathode Ray Tube in your TV is a little over 15khz, which is why kids and teenagers can hear if a TV is turned on in a room even if it is muted. I can still hear a TV and I'm 27. Some people can't.
- One of the ways that MP3s compress audio to such a smaller file size is by eliminating sounds that the human ear can't hear, even though that information is stored in a AIFF or WAV file. - LucasVB, on 10/12/2007, -1/+4Testing your hearing is only properly done with ANALOG SIGNALS. A computer playing a sound at a sample rate of 44.1-48 kHz hardly does it, since the max frequency handled is half of the sampling rate (usually, 22050 Hz). Anything above that generates aliasing, and that is perceived anyway.
- expertninja, on 10/12/2007, -0/+3Most tvs are in the 17k range. I can hear them fine (actually, they drive me nuts), but my friends can't. Dang metal heads are deaf.
- zweben, on 10/12/2007, -1/+4That's not correct. It just doesn't play the tones outside of the frequency range. Otherwise bassy music played on tinny speakers would be full of offset pitches; it just wouldn't work at all.
I'm 19 and I can hear 18,000 fine, but not 19,000. I got pretty much the same result earlier with a tone generator I downloaded. The bottom of my hearing is 25Hz I believe. Fairly good range. More than i'll ever need. - inactive, on 10/12/2007, -1/+4If only you could learn to spell too...
- phatvolvo, on 10/12/2007, -3/+6what?
- inactive, on 10/12/2007, -0/+3@burke
i think your right.
I can hear all of them except 18,000. after 18000, it seems to get louder. - pete10203, on 10/12/2007, -0/+3haha soundblasters, so last millenium.
- szym, on 10/12/2007, -1/+3Answer is simple. The guy is lame. He forgot that you cannot encode >22kHz in a file sampled at 44kHz !! I tag this: "Ok, this is lame." Another thing mentioned already is that most cards can only run D/A at 44kHz or less, so even if he did the mp3 at 96kHz it woud be downsampled. Yet another thing is that most speakers won't carry more than 20kHz.
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