How are your ears doing?


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Firstly:

- no, one absolutely cannot hear 20 kHz and above even on Marantz, Yamaha, Grado with Denon's thousand-dollar cables. It's humanly impossible.

A couple things:

- integrated sound card DACs have a steep roll-off at 15 kHz already, some even less (doesn't apply to digital output), anything else is static

- most consumer speakers have a steep roll-off between 18 and 20 kHz, only high-end have it higher

- these samples are encoded at a rate of 48 kHz, thus don't produce a pure sine wave. All other waveforms can be heard more easily because of harmonics

- peaks of these samples are around -10 dB and additionally they're played at 60% volume, effectively artificially reducing your capability to hear them

- on Windows XP or older (unless ASIO is used) KMixer downsizes 16-bit output to 14-bit, reducing dynamics to -92 dB and introducing distortion

I call this test and results above (and any such test on a home computer) total dingo's kidneys.

Oh, right... 23, 17 kHz, on headphones

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I'm 20, and I only managed to hear up to 15KHz, and I had to turn the volume right up to hear it. Not a good sign, as I'm studying to potentially work in a recording studio! :laugh:

I was using Shure SRH840 headphones, BTW, and they have a frequency range of 5Hz - 25KHz, so I didn't even get close to their limit. :p

I'm 30 year old and while wearing my hearing aids (I'm profoundly deaf)

I could hear:

8KHz (a soft high pitched sound only heard in my right ear)

22KHz (low rumbling like sound hearable in both ears.)

If I take my aids off:

8kHz (same as above only in my right ear)

12kHz (very loud pitch)

Stange I can't hear most sounds without my aids on.

I was shocked I could hear 21 kHz at age 25. I've always was told I'd lose my hearing if I continued to listen to huge volumes of music or gaming sounds. I think my eyes are going a bit bad though.

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