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Passing planes and other whoosh sounds

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207 points zdw | 2 comments | 17 Apr 25 05:53 UTC | HN request time: 0.498s | source
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albert_e ◴[17 Apr 25 11:25 UTC] No.43715256[source]▶
Tangentially related

I once picked up my memory foam mattress and stood it up against one of the walls ... for cleaning the bed or whatever.

As I walked past the mattress I instantly noticed that the mattress is such a good absorber of audio waves that I could immediately notice a dip in ambient sound in the ear facing the mattress.

The room was already "silent" and this newly discovered lower limit of silence was pretty surprising to me physiologically.

replies(1): >>43715878 #
meindnoch ◴[17 Apr 25 12:34 UTC] No.43715878[source]▶
Everyone should try a real anechoic chamber once. The silence there is deafening.
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1. BobbyTables2 ◴[17 Apr 25 13:02 UTC] No.43716212[source]▶
I shudder to think what tinnitus would sound like in an anechoic chamber…
replies(1): >>43720445 #
2. ilikepi ◴[17 Apr 25 18:21 UTC] No.43720445[source]▶
Probably similar to whatever its normal frequencies are for you, but perceptually louder. That seems to be my experience when I'm in a location with minimal background noise...