Guinness World Records - Officially Amazing

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For the record

  • Who: Orfield Laboratories Inc.

  • What: Quietest place

  • Where: United States

The quietest place in the world is the Anechoic Test Chamber at Orfield Laboratories, Minneapolis, Minnesota, USA. Ultra-sensitive tests performed on 21 January 2004 gave a background noise reading of -9.4 dBA (decibels A-weighted).


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