I had a magic skill when I was in high school: I could walk into any computer lab and tell you exactly which monitors were on (when the computer was off). I believe this is around 15K.
it looks my hearing drops off between 13k (noticeably quiet compared to 12k) to 14k (can't hear it at all).
it looks my hearing drops off between 13k (noticeably quiet compared to 12k) to 14k (can't hear it at all).