If you stand in it for long enough, you start to hear your heartbeat. A ringing in your ears becomes deafening. When you move, your bones make a grinding noise. Eventually you lose your balance, because the absolute lack of reverberation sabotages your spatial awareness.
원문출처 : https://www.cnn.com/style/article/anechoic-chamber-worlds-quietest-room/index.html
원문출처 : https://www.cnn.com/style/article/anechoic-chamber-worlds-quietest-room/index.html