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anyfootoday at 6:00 AM1 replyview on HN

16 kHz is very high on the spectrum. Just the normal age-related decline of hearing makes that inaudible pretty quickly, you don’t need to drive with the window down for that.


Replies

WalterBrighttoday at 6:08 AM

You're right, but it was coincident with my realizing I had trouble hearing my watch tick with my left ear.