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#1434219 - 05/11/10 07:38 AM Can I hear the ultrasound range? How can I test it?
Nikorasu Offline
Full Member

Registered: 02/01/10
Posts: 66
Hey there!


My ear is nothing special when it comes to music. I've been playing for 4 months and I barely knew the notes before, so I can't really teel if I have good musical ear but that's not the point.

My concern is that for some years I've noticed I seem to hear a wider range of sounds than everyone else. Not trying to look like a superhero, I'm fairly sure it's not too useful as a superpower lol, and probably it's not that much of an extra range anyway.


For example, when I enter a house, I can tell if the TV is on from three rooms away even when it's muted, because of the electrical buzzing sound it makes. I can sense high-pitched buzzing sounds coming from many types of electronic instruments (such as plugs, lamps, a router) and also from very long distances (altough I sometimes have to rotate my head to hear them).

Sometimes I've heard one of those buzzing noises and rotated my head until I thought it was the loudest, then follow the line traced by my ears and find my phone or something.


Is this normal? Does it happen to everyone or am I just weird?

Is there any way to test if I can actually hear higher frequencies (or lower)? In case I can, is it useful for anything?

Thanks!


Edited by Nikorasu (05/11/10 07:59 AM)

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#1434317 - 05/11/10 10:15 AM Re: Can I hear the ultrasound range? How can I test it? [Re: Nikorasu]
Emmery Offline
2000 Post Club Member

Registered: 04/02/08
Posts: 2330
Loc: Niagara Region, On. Canada
An often quoted range of hearing for a young healthy person is 20-20,000 Hz (cycles per second). Some people can go slightly lower with down to about the 15 Hz level and very few people can hear slightly higher than the upper limit. As you get older the upper range decreases and studies have shown that men lose their upper limits faster than women as they age. If you are interested in checking out what your upper limit is, get a good set of earphones and do this test...

http://www.noiseaddicts.com/2009/03/can-you-hear-this-hearing-test/

My own limits are around 18,000 but probably due to tinnitus that seems to produce a ringing of that same frequency, it might be masking my perception of it.


Edited by Emmery (05/11/10 10:16 AM)
_________________________
Piano Technician
George Brown College /85
Niagara Region

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#1434404 - 05/11/10 12:40 PM Re: Can I hear the ultrasound range? How can I test it? [Re: Emmery]
Nikorasu Offline
Full Member

Registered: 02/01/10
Posts: 66
Well, wow, I get to 21.000 O.o

19k are pretty clear and easy. I need to focus more for 20k but it's there. At first I thought 21k was out of my range but if I close my eyes and push the earphones together I can perceive a very, very weak buzz.

22.000 is just not there.

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#1435012 - 05/12/10 08:51 AM Re: Can I hear the ultrasound range? How can I test it? [Re: Nikorasu]
Studio Joe Offline
1000 Post Club Member

Registered: 03/28/07
Posts: 1803
Loc: Decatur, Texas
How do you know the upper limit of the headphones? Most are only spec'd to 20K.
_________________________
Joe Whitehead ------ Texas Trax

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#1435019 - 05/12/10 09:11 AM Re: Can I hear the ultrasound range? How can I test it? [Re: Studio Joe]
Studio Joe Offline
1000 Post Club Member

Registered: 03/28/07
Posts: 1803
Loc: Decatur, Texas
I think I'm pretty fortunate for a man of my age (73). Just using my computer speakers I could hear 14K (just barely).

I'm not sure how linear is the response of the speakers.
_________________________
Joe Whitehead ------ Texas Trax

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