What is it? Check this out, a tone outside the audible range of hearing for most people over the age of 30. This means that you can get phone calls and receive text messages in class or school without teachers hearing it.
Its also a quick and easy way to check your hearing. Mine must be failing-all those late-night concerts at The Pipe Dragon in the mid 80s I suspect. I can definitely hear the 49 and younger and I think the 39 and younger but it could be wishful thinking.
Its a joke right? I dont know but if someone can hear the lower levels, give me a shout with the level and your age.
Mosquito
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The contract with the consumer
2 years ago
1 comment:
This 44 year ol' man can't hear the 16 khz, but can barely hear the 15khz (39 & younger). I wish I couldn't hear the sound made for those 49 & younger because it is so annoying. ANSWER your PHONE already!
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