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Re: Known fact? Musical signature above 20 Khz?

i've been wondering about this myself, but did not want to dismiss it entirely.

i'm assuming that high notes on a piano or strings, or say a cymbal crash, will have harmonics extending beyond 20 kHz.

The question is whether we can hear them, since my ears at least can't hear beyond 16kHz.

There's a theory that although we can't hear fundamentals above a certain frequency, we can hear harmonics that extend beyond this frequency.

It will be interesting for example to see if we can distinguish between say a sine wave and a sawtooth both at whatever the upper limit of our hearing is. If we can, it would mean our ears are sensitive to harmonics beyond the upper limit of hearing - since they distinguish a sine and sawtooth wave.

However, I did recall someone doing an experiment with ultrasonic harmonics - the end result was null - the sample was not able to tell the difference.

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