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Originally posted by SymbolicLogic
reply to post by SpearMint
I tested at that range of hearing just fine. As to what specific frequency I'm hearing, I can't be certain.. 46kHz? 42kHz? dunno.
Originally posted by Acronychal
Can you be more specific? Does it simply come and go at random, with no one around you able to hear it? Also perhaps saying a high-pitched whistle would be more appropriate, as no human can hear something in that frequency range. What are you using to measure this tone?