Discover the Quietest Sound Ever Recorded

Learn about the quietest sound ever measured at Orfield Labs in Minneapolis, and explore how sounds below 0 decibels affect human hearing.

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The quietest sound ever recorded is at -20.6 decibels, measured in an anechoic chamber at Orfield Labs in Minneapolis. Sounds below 0 decibels are considered quieter than the human hearing threshold.

FAQs & Answers

  1. What decibel level is considered silent? Sounds below 0 decibels are considered to be quieter than the human hearing threshold.
  2. How is sound measured in decibels? Sound is measured in decibels (dB) using logarithmic scales, which quantify pressure levels compared to a reference point.
  3. What is an anechoic chamber? An anechoic chamber is a room designed to eliminate echoes and external sounds, allowing for precise sound measurements.
  4. Who holds the record for the quietest sound? The quietest sound ever recorded, at -20.6 decibels, was measured at Orfield Labs in Minneapolis.