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08:32 am: This is so cool
Go to http://www.ultrasonic-ringtones.com/ and se what you can hear. Viv and I can only get to 12000 and can't hear 14100. David can hear 17742 and leaves the room when I keep playing it. But it doesn't bother us at all.

Viv and Ian:


You're in a mid life crisis
Your ears aren't what they once were and you have resorted to doing online hearing tests.

The highest pitched ultrasonic mosquito ringtone that I can hear is 12kHz
Test your own hearing at Ultrasonic ringtones

David:


You are the typical teenager
You can hear the frequency of the mosquito teen repellent - but probably not for much longer!

The highest pitched ultrasonic mosquito ringtone that I can hear is 17.7kHz
Test your own hearing at Ultrasonic ringtones


Current Location: CH63 0EB
Current Mood: happyhappy
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Comments

[User Picture]
From:meirion
Date:July 11th, 2006 10:54 am (UTC)
(Link)
i think there must be something wrong with my computer, as i can hear all of them! (although the 22.4kHz is annoyingly the same as the 21.1kHz one, when they're intending it to be nothing at all, so one gets accused of being a liar if one says one can hear it!)

-m-
[User Picture]
From:ringbark
Date:July 11th, 2006 01:44 pm (UTC)
(Link)
I've had a look at the code on the site, and if you downloaded them, then yes the two are the same. The right file (with nothing in it?) seems to be at http://media.ultrasonic-ringtones.com/tones/22357.mp3 - but as I can't hear it, I can't vouch for this.
From:(Anonymous)
Date:July 22nd, 2006 03:56 pm (UTC)

This is better

(Link)
Try this: http://www.phys.unsw.edu.au/~jw/hearing.html

By the way, on a laptop or something with a dodgy soundcard, those MP3's are not going to play properly. That's why some people can hear the 21KHz plus ones, including me on this laptop - what you're actually hearing will be artifacts of the card/driver/software/encoding format, none of which are really expected to be able to handle frequencies you can't hear anyway.

Regards, Simon H.
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