소리로 나이 테스트를

다음의 소리들 중에서 어느 주파수(frequency)까지 들리는지를 가지고..
‘귀의 나이’를 측정해 보는 것이다.
나이가 들수록 고주파 (high frequency) 소리는 못듣는단다.
출처 : http://www.ultrasonic-ringtones.com/

  • 8 kHz
    dk120000000006.mp3
    You are either old or have really messed up your hearing by turning your amp up to 11 and listening to Spinal Tap. Or both.

    The highest pitched ultrasonic mosquito ringtone that I can hear is 8kHz

  • 10 kHz

    ck080000000005.mp3You can’t remember my teens

    But you can just about hear some of these tones that those youngsters are on about so you’re feeling moderately smug.

    The highest pitched ultrasonic mosquito ringtone that I can hear is 10kHz

  • 12 kHz
    dk120000000007.mp3
    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

  • 14.1 kHz
    ck080000000006.mp3

    You
    thought you were really with it and in with your younger colleagues but
    they just laugh at you because you can’t hear beyond this!

    The highest pitched ultrasonic mosquito ringtone that I can hear is 14.1kHz

  • 14.9 kHz

    ck080000000007.mp3
    You’re
    a little frustrated that you can’t hear all the tones that the young
    ‘uns can but will be more than happy if it means you don’t have to
    listen to their damn ringtones on the bus anymore.

    The highest pitched ultrasonic mosquito ringtone that I can hear is 14.9kHz

  • 15.8 kHz
    dk120000000008.mp3

    You
    can still hear reasonably well and you can play this without my old
    fart colleagues hearing it which makes you feel kinda good.

    The highest pitched ultrasonic mosquito ringtone that I can hear is 15.8kHz

  • 16.7 kHz
    ck090000000000.mp3

    The teen repellent will no longer foil you, but you can still hear some pretty high tones.

    The highest pitched ultrasonic mosquito ringtone that I can hear is 16.7kHz

  • 17.7 kHz
    ck090000000001.mp3
    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

  • 18.8 kHz
    dk130000000000.mp3
    The mosquito device was made for the likes of you. You are probably begging to make the noise stop!

    The highest pitched ultrasonic mosquito ringtone that I can hear is 18.8kHz

  • 19.9 kHz
    ck090000000002.mp3
    Your hearing rules! You’re either quite young or you’ve looked after your ears.

    The highest pitched ultrasonic mosquito ringtone that I can hear is 19.9kHz

  • 21.1 kHz
    ck090000000003.mp3
    Or maybe you are a mosquito, you certainly can’t be human.

    The highest pitched ultrasonic mosquito ringtone that I can hear is 21.1kHz

  • 22.4 kHz
    ck090000000004.mp3
    You claimed to be able to hear a tone that contained absolutely no sound!

    The highest pitched ultrasonic mosquito ringtone that I can hear is 22.4kHz