Fun Stuff > BAND

What frequency can you go up to?

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KharBevNor:
My sister has this thing which plugs into her ipod and broadcasts a weak FM radio signal which she picks up on her radio. Seems pretty neat.

Method of Madness:
I was going to get that but if your car has an auxiliary input it's a lot cheaper and more direct.

johnny5:
i was able to find some company that made an adaptor for my stock unit that they just attached to the back and it could run an ipod usb cable out...so i'm able to control my ipod with my stereo and my wheel and it charges.

Be My Head:
I can hear all of them perfectly? I was honestly expecting to not be able to hear that high.


--- Quote from: pwhodges on 24 Mar 2011, 16:33 ---I could hear the 14kHz clearly, which surprised me a little, as last time I tested it my limit was barely 12kHz.  (When I joined the BBC at age 23, they measured my limit as 17kHz.)

What I did notice is that even on bloody good headphones through an excellent interface there were clear artefacts audible to me on every higher signal.  In some cases these even sounded like a tone, but not the right one  (which presumably would have been louder if I could have heard it); but this possibly means that some care may be required to choose the right answer.

I'm interested by the number of people claiming to hear appreciably over 20kHz.  In my experience this is really unusual for people of age 20 or more.  I have been led to believe that there may be a correlation with suffering from asthma (indeed, the person I knew who could hear highest as a student - 23kHz - not merely suffered from asthma, but died as a result of an asthma attack at the age of 50).


--- Quote from: Dimmukane on 24 Mar 2011, 16:13 ---It's possible for people to lose specific frequencies or ranges of frequencies in their ears, and not necessarily in order of highest to lowest.  Which would explain being able to hear all of them but 19 kHz.

--- End quote ---

But that's also true to some extent of headphones or speakers...

--- End quote ---

I've had asthma since I've been born, I'm 20, and I listened to this test on a pair of Denon AH-D2000 headphones.

I think some of the people who tried it on that site just had crappy speakers that couldn't go higher than 19khz...

IronOxide:
I could hear clearly up to 17, I want to try with better reference headphones that I know go a little higher, but I'd be entirely unsurprised if I cut off around there, given that my occupation and all major hobbies involve listening to high reference levels without being able to use earplugs consistently. That said maybe I should buy the -25dB plugs for my earplugs.

But first I'm going to test the new QSC loudspeaker system I got.

That being said, I wonder if a lot of people who think they're hearing 22kHz (extremely high frequencies) might just be hearing digital aliasing somewhere on their systems? Most computers are only made to support 44.1kHz and most web streamers a substantially below that. Just a thought. That being said, I tested myself in audacity and I definitely have a noticable roll-off starting around 18kHz, and artifacts become apparently louder than the direct frequency for me at about 19,000. Am I really missing that much from that extra ~20th of an octave?

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